实例介绍
【实例简介】
【实例截图】
【实例截图】

【核心代码】
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using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace MyDB { /// <summary> /// Form1 的摘要说明。 /// </summary> public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; private System.Windows.Forms.Button button3; private System.Windows.Forms.Button button4; private System.Windows.Forms.Button button5; private System.Windows.Forms.Button button6; private System.Windows.Forms.Button button7; private System.Windows.Forms.Button button8; private System.Windows.Forms.Button button9; private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.TextBox textBox2; private System.Windows.Forms.Label label2; private System.Windows.Forms.TextBox textBox3; private System.Windows.Forms.Label label3; private System.Windows.Forms.TextBox textBox4; private System.Windows.Forms.Label label4; private System.Windows.Forms.TextBox textBox5; private System.Windows.Forms.Label label5; private System.Windows.Forms.TextBox textBox6; private System.Windows.Forms.Label label6; private System.Windows.Forms.TextBox textBox7; private System.Windows.Forms.Label label7; private System.Windows.Forms.TextBox textBox8; private System.Windows.Forms.Label label8; private System.Windows.Forms.TextBox textBox9; private System.Windows.Forms.Label label9; private System.Windows.Forms.TextBox textBox10; private System.Windows.Forms.Label label10; private System.Windows.Forms.TextBox textBox11; private System.Windows.Forms.Label label11; private System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter1; private System.Data.OleDb.OleDbCommand oleDbSelectCommand1; private System.Data.OleDb.OleDbCommand oleDbInsertCommand1; private System.Data.OleDb.OleDbCommand oleDbUpdateCommand1; private System.Data.OleDb.OleDbCommand oleDbDeleteCommand1; private System.Data.OleDb.OleDbConnection oleDbConnection1; private BindingManagerBase MyBind; private System.Data.OleDb.OleDbCommand oleDbCommand1; private System.Data.DataSet dataSet1; /// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.Container components = null ; public Form1() { // // Windows 窗体设计器支持所必需的 // InitializeComponent(); // // TODO: 在 InitializeComponent 调用后添加任何构造函数代码 // } /// <summary> /// 清理所有正在使用的资源。 /// </summary> protected override void Dispose( bool disposing ) { if ( disposing ) { if (components != null ) { components.Dispose(); } } base .Dispose( disposing ); } #region Windows 窗体设计器生成的代码 /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </summary> private void InitializeComponent() { this .groupBox1 = new System.Windows.Forms.GroupBox(); this .textBox9 = new System.Windows.Forms.TextBox(); this .label9 = new System.Windows.Forms.Label(); this .textBox10 = new System.Windows.Forms.TextBox(); this .label10 = new System.Windows.Forms.Label(); this .textBox11 = new System.Windows.Forms.TextBox(); this .label11 = new System.Windows.Forms.Label(); this .textBox8 = new System.Windows.Forms.TextBox(); this .label8 = new System.Windows.Forms.Label(); this .textBox7 = new System.Windows.Forms.TextBox(); this .label7 = new System.Windows.Forms.Label(); this .textBox6 = new System.Windows.Forms.TextBox(); this .label6 = new System.Windows.Forms.Label(); this .textBox5 = new System.Windows.Forms.TextBox(); this .label5 = new System.Windows.Forms.Label(); this .textBox4 = new System.Windows.Forms.TextBox(); this .label4 = new System.Windows.Forms.Label(); this .textBox3 = new System.Windows.Forms.TextBox(); this .label3 = new System.Windows.Forms.Label(); this .textBox2 = new System.Windows.Forms.TextBox(); this .label2 = new System.Windows.Forms.Label(); this .textBox1 = new System.Windows.Forms.TextBox(); this .label1 = new System.Windows.Forms.Label(); this .button1 = new System.Windows.Forms.Button(); this .button2 = new System.Windows.Forms.Button(); this .button3 = new System.Windows.Forms.Button(); this .button4 = new System.Windows.Forms.Button(); this .button5 = new System.Windows.Forms.Button(); this .button6 = new System.Windows.Forms.Button(); this .button7 = new System.Windows.Forms.Button(); this .button8 = new System.Windows.Forms.Button(); this .button9 = new System.Windows.Forms.Button(); this .oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter(); this .oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand(); this .oleDbConnection1 = new System.Data.OleDb.OleDbConnection(); this .oleDbInsertCommand1 = new System.Data.OleDb.OleDbCommand(); this .oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand(); this .oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand(); this .oleDbCommand1 = new System.Data.OleDb.OleDbCommand(); this .dataSet1 = new System.Data.DataSet(); this .groupBox1.SuspendLayout(); ((System.ComponentModel.ISupportInitialize)( this .dataSet1)).BeginInit(); this .SuspendLayout(); // // groupBox1 // this .groupBox1.Controls.Add( this .textBox9); this .groupBox1.Controls.Add( this .label9); this .groupBox1.Controls.Add( this .textBox10); this .groupBox1.Controls.Add( this .label10); this .groupBox1.Controls.Add( this .textBox11); this .groupBox1.Controls.Add( this .label11); this .groupBox1.Controls.Add( this .textBox8); this .groupBox1.Controls.Add( this .label8); this .groupBox1.Controls.Add( this .textBox7); this .groupBox1.Controls.Add( this .label7); this .groupBox1.Controls.Add( this .textBox6); this .groupBox1.Controls.Add( this .label6); this .groupBox1.Controls.Add( this .textBox5); this .groupBox1.Controls.Add( this .label5); this .groupBox1.Controls.Add( this .textBox4); this .groupBox1.Controls.Add( this .label4); this .groupBox1.Controls.Add( this .textBox3); this .groupBox1.Controls.Add( this .label3); this .groupBox1.Controls.Add( this .textBox2); this .groupBox1.Controls.Add( this .label2); this .groupBox1.Controls.Add( this .textBox1); this .groupBox1.Controls.Add( this .label1); this .groupBox1.Location = new System.Drawing.Point(8, 8); this .groupBox1.Name = "groupBox1" ; this .groupBox1.Size = new System.Drawing.Size(352, 224); this .groupBox1.TabIndex = 0; this .groupBox1.TabStop = false ; this .groupBox1.Text = "数据库信息" ; // // textBox9 // this .textBox9.Location = new System.Drawing.Point(232, 192); this .textBox9.Name = "textBox9" ; this .textBox9.Size = new System.Drawing.Size(112, 21); this .textBox9.TabIndex = 21; this .textBox9.Text = "" ; // // label9 // this .label9.Location = new System.Drawing.Point(184, 200); this .label9.Name = "label9" ; this .label9.Size = new System.Drawing.Size(48, 16); this .label9.TabIndex = 20; this .label9.Text = "传真:" ; // // textBox10 // this .textBox10.Location = new System.Drawing.Point(72, 192); this .textBox10.Name = "textBox10" ; this .textBox10.Size = new System.Drawing.Size(104, 21); this .textBox10.TabIndex = 19; this .textBox10.Text = "" ; // // label10 // this .label10.Location = new System.Drawing.Point(8, 200); this .label10.Name = "label10" ; this .label10.Size = new System.Drawing.Size(48, 16); this .label10.TabIndex = 18; this .label10.Text = "电话:" ; // // textBox11 // this .textBox11.Location = new System.Drawing.Point(232, 168); this .textBox11.Name = "textBox11" ; this .textBox11.Size = new System.Drawing.Size(112, 21); this .textBox11.TabIndex = 17; this .textBox11.Text = "" ; // // label11 // this .label11.Location = new System.Drawing.Point(184, 176); this .label11.Name = "label11" ; this .label11.Size = new System.Drawing.Size(48, 16); this .label11.TabIndex = 16; this .label11.Text = "国家:" ; // // textBox8 // this .textBox8.Location = new System.Drawing.Point(72, 168); this .textBox8.Name = "textBox8" ; this .textBox8.Size = new System.Drawing.Size(104, 21); this .textBox8.TabIndex = 15; this .textBox8.Text = "" ; // // label8 // this .label8.Location = new System.Drawing.Point(8, 176); this .label8.Name = "label8" ; this .label8.Size = new System.Drawing.Size(72, 16); this .label8.TabIndex = 14; this .label8.Text = "邮政编码:" ; // // textBox7 // this .textBox7.Location = new System.Drawing.Point(232, 144); this .textBox7.Name = "textBox7" ; this .textBox7.Size = new System.Drawing.Size(112, 21); this .textBox7.TabIndex = 13; this .textBox7.Text = "" ; // // label7 // this .label7.Location = new System.Drawing.Point(184, 152); this .label7.Name = "label7" ; this .label7.Size = new System.Drawing.Size(48, 16); this .label7.TabIndex = 12; this .label7.Text = "地区:" ; // // textBox6 // this .textBox6.Location = new System.Drawing.Point(72, 144); this .textBox6.Name = "textBox6" ; this .textBox6.Size = new System.Drawing.Size(104, 21); this .textBox6.TabIndex = 11; this .textBox6.Text = "" ; // // label6 // this .label6.Location = new System.Drawing.Point(8, 152); this .label6.Name = "label6" ; this .label6.Size = new System.Drawing.Size(48, 16); this .label6.TabIndex = 10; this .label6.Text = "城市:" ; // // textBox5 // this .textBox5.Location = new System.Drawing.Point(88, 120); this .textBox5.Name = "textBox5" ; this .textBox5.Size = new System.Drawing.Size(256, 21); this .textBox5.TabIndex = 9; this .textBox5.Text = "" ; // // label5 // this .label5.Location = new System.Drawing.Point(8, 128); this .label5.Name = "label5" ; this .label5.Size = new System.Drawing.Size(72, 16); this .label5.TabIndex = 8; this .label5.Text = "联系地址:" ; // // textBox4 // this .textBox4.Location = new System.Drawing.Point(88, 96); this .textBox4.Name = "textBox4" ; this .textBox4.Size = new System.Drawing.Size(256, 21); this .textBox4.TabIndex = 7; this .textBox4.Text = "" ; // // label4 // this .label4.Location = new System.Drawing.Point(8, 104); this .label4.Name = "label4" ; this .label4.Size = new System.Drawing.Size(80, 16); this .label4.TabIndex = 6; this .label4.Text = "联系人头衔:" ; // // textBox3 // this .textBox3.Location = new System.Drawing.Point(88, 72); this .textBox3.Name = "textBox3" ; this .textBox3.Size = new System.Drawing.Size(256, 21); this .textBox3.TabIndex = 5; this .textBox3.Text = "" ; // // label3 // this .label3.Location = new System.Drawing.Point(8, 80); this .label3.Name = "label3" ; this .label3.Size = new System.Drawing.Size(80, 16); this .label3.TabIndex = 4; this .label3.Text = "联系人姓名:" ; // // textBox2 // this .textBox2.Location = new System.Drawing.Point(88, 48); this .textBox2.Name = "textBox2" ; this .textBox2.Size = new System.Drawing.Size(256, 21); this .textBox2.TabIndex = 3; this .textBox2.Text = "" ; // // label2 // this .label2.Location = new System.Drawing.Point(8, 56); this .label2.Name = "label2" ; this .label2.Size = new System.Drawing.Size(72, 16); this .label2.TabIndex = 2; this .label2.Text = "公司名称:" ; // // textBox1 // this .textBox1.Location = new System.Drawing.Point(88, 24); this .textBox1.Name = "textBox1" ; this .textBox1.Size = new System.Drawing.Size(256, 21); this .textBox1.TabIndex = 1; this .textBox1.Text = "" ; // // label1 // this .label1.Location = new System.Drawing.Point(8, 32); this .label1.Name = "label1" ; this .label1.Size = new System.Drawing.Size(56, 16); this .label1.TabIndex = 0; this .label1.Text = "客户ID:" ; // // button1 // this .button1.Location = new System.Drawing.Point(368, 16); this .button1.Name = "button1" ; this .button1.TabIndex = 1; this .button1.Text = "第一条记录" ; this .button1.Click = new System.EventHandler( this .button1_Click); // // button2 // this .button2.Location = new System.Drawing.Point(368, 40); this .button2.Name = "button2" ; this .button2.TabIndex = 2; this .button2.Text = "前一条记录" ; this .button2.Click = new System.EventHandler( this .button2_Click); // // button3 // this .button3.Location = new System.Drawing.Point(368, 64); this .button3.Name = "button3" ; this .button3.TabIndex = 3; this .button3.Text = "后一条记录" ; this .button3.Click = new System.EventHandler( this .button3_Click); // // button4 // this .button4.Location = new System.Drawing.Point(368, 88); this .button4.Name = "button4" ; this .button4.TabIndex = 4; this .button4.Text = "末一条记录" ; this .button4.Click = new System.EventHandler( this .button4_Click); // // button5 // this .button5.Location = new System.Drawing.Point(368, 112); this .button5.Name = "button5" ; this .button5.TabIndex = 5; this .button5.Text = "新建记录" ; this .button5.Click = new System.EventHandler( this .button5_Click); // // button6 // this .button6.Location = new System.Drawing.Point(368, 136); this .button6.Name = "button6" ; this .button6.TabIndex = 6; this .button6.Text = "增加记录" ; this .button6.Click = new System.EventHandler( this .button6_Click); // // button7 // this .button7.Location = new System.Drawing.Point(368, 160); this .button7.Name = "button7" ; this .button7.TabIndex = 7; this .button7.Text = "修改记录" ; this .button7.Click = new System.EventHandler( this .button7_Click); // // button8 // this .button8.Location = new System.Drawing.Point(368, 184); this .button8.Name = "button8" ; this .button8.TabIndex = 2; this .button8.Text = "删除记录" ; this .button8.Click = new System.EventHandler( this .button8_Click); // // button9 // this .button9.Location = new System.Drawing.Point(368, 208); this .button9.Name = "button9" ; this .button9.TabIndex = 8; this .button9.Text = "关闭程序" ; this .button9.Click = new System.EventHandler( this .button9_Click); // // oleDbDataAdapter1 // this .oleDbDataAdapter1.DeleteCommand = this .oleDbDeleteCommand1; this .oleDbDataAdapter1.InsertCommand = this .oleDbInsertCommand1; this .oleDbDataAdapter1.SelectCommand = this .oleDbSelectCommand1; this .oleDbDataAdapter1.TableMappings.AddRange( new System.Data.Common.DataTableMapping[] { new System.Data.Common.DataTableMapping( "Table" , "客户" , new System.Data.Common.DataColumnMapping[] { new System.Data.Common.DataColumnMapping( "城市" , "城市" ), new System.Data.Common.DataColumnMapping( "传真" , "传真" ), new System.Data.Common.DataColumnMapping( "地区" , "地区" ), new System.Data.Common.DataColumnMapping( "地址" , "地址" ), new System.Data.Common.DataColumnMapping( "电话" , "电话" ), new System.Data.Common.DataColumnMapping( "公司名称" , "公司名称" ), new System.Data.Common.DataColumnMapping( "国家" , "国家" ), new System.Data.Common.DataColumnMapping( "客户ID" , "客户ID" ), new System.Data.Common.DataColumnMapping( "联系人头衔" , "联系人头衔" ), new System.Data.Common.DataColumnMapping( "联系人姓名" , "联系人姓名" ), new System.Data.Common.DataColumnMapping( "邮政编码" , "邮政编码" )})}); this .oleDbDataAdapter1.UpdateCommand = this .oleDbUpdateCommand1; // // oleDbDeleteCommand1 // this .oleDbDeleteCommand1.CommandText = @"DELETE FROM 客户 WHERE (客户ID = ?) AND (传真 = ? OR ? IS NULL AND 传真 IS NULL) AND (公司名称 = ?) AND (国家 = ? OR ? IS NULL AND 国家 IS NULL) AND (地区 = ? OR ? IS NULL AND 地区 IS NULL) AND (地址 = ? OR ? IS NULL AND 地址 IS NULL) AND (城市 = ? OR ? IS NULL AND 城市 IS NULL) AND (电话 = ? OR ? IS NULL AND 电话 IS NULL) AND (联系人头衔 = ? OR ? IS NULL AND 联系人头衔 IS NULL) AND (联系人姓名 = ? OR ? IS NULL AND 联系人姓名 IS NULL) AND (邮政编码 = ? OR ? IS NULL AND 邮政编码 IS NULL)" ; this .oleDbDeleteCommand1.Connection = this .oleDbConnection1; this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_客户ID" , System.Data.OleDb.OleDbType.VarWChar, 5, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "客户ID" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_传真" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "传真" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_传真1" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "传真" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_公司名称" , System.Data.OleDb.OleDbType.VarWChar, 40, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "公司名称" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_国家" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "国家" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_国家1" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "国家" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地区" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地区" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地区1" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地区" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地址" , System.Data.OleDb.OleDbType.VarWChar, 60, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地址" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地址1" , System.Data.OleDb.OleDbType.VarWChar, 60, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地址" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_城市" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "城市" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_城市1" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "城市" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_电话" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "电话" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_电话1" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "电话" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人头衔" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人头衔" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人头衔1" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人头衔" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人姓名" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人姓名" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人姓名1" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人姓名" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_邮政编码" , System.Data.OleDb.OleDbType.VarWChar, 10, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "邮政编码" , System.Data.DataRowVersion.Original, null )); this .oleDbDeleteCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_邮政编码1" , System.Data.OleDb.OleDbType.VarWChar, 10, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "邮政编码" , System.Data.DataRowVersion.Original, null )); // // oleDbConnection1 // this .oleDbConnection1.ConnectionString = @"Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Registry Path=;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Database Password=;Data Source=""Northwind.mdb"";Password=;Jet OLEDB:Engine Type=5;Jet OLEDB:Global Bulk Transactions=1;Provider=""Microsoft.Jet.OLEDB.4.0"";Jet OLEDB:System database=;Jet OLEDB:SFP=False;Extended Properties=;Mode=Share Deny None;Jet OLEDB:New Database Password=;Jet OLEDB:Create System Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;User ID=Admin;Jet OLEDB:Encrypt Database=False" ; // // oleDbInsertCommand1 // this .oleDbInsertCommand1.CommandText = "INSERT INTO 客户(城市, 传真, 地区, 地址, 电话, 公司名称, 国家, 客户ID, 联系人头衔, 联系人姓名, 邮政编码) VALUES (?," " ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)" ; this .oleDbInsertCommand1.Connection = this .oleDbConnection1; this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "城市" , System.Data.OleDb.OleDbType.VarWChar, 15, "城市" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "传真" , System.Data.OleDb.OleDbType.VarWChar, 24, "传真" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "地区" , System.Data.OleDb.OleDbType.VarWChar, 15, "地区" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "地址" , System.Data.OleDb.OleDbType.VarWChar, 60, "地址" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "电话" , System.Data.OleDb.OleDbType.VarWChar, 24, "电话" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "公司名称" , System.Data.OleDb.OleDbType.VarWChar, 40, "公司名称" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "国家" , System.Data.OleDb.OleDbType.VarWChar, 15, "国家" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "客户ID" , System.Data.OleDb.OleDbType.VarWChar, 5, "客户ID" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "联系人头衔" , System.Data.OleDb.OleDbType.VarWChar, 30, "联系人头衔" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "联系人姓名" , System.Data.OleDb.OleDbType.VarWChar, 30, "联系人姓名" )); this .oleDbInsertCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "邮政编码" , System.Data.OleDb.OleDbType.VarWChar, 10, "邮政编码" )); // // oleDbSelectCommand1 // this .oleDbSelectCommand1.CommandText = "SELECT 城市, 传真, 地区, 地址, 电话, 公司名称, 国家, 客户ID, 联系人头衔, 联系人姓名, 邮政编码 FROM 客户" ; this .oleDbSelectCommand1.Connection = this .oleDbConnection1; // // oleDbUpdateCommand1 // this .oleDbUpdateCommand1.CommandText = @"UPDATE 客户 SET 城市 = ?, 传真 = ?, 地区 = ?, 地址 = ?, 电话 = ?, 公司名称 = ?, 国家 = ?, 客户ID = ?, 联系人头衔 = ?, 联系人姓名 = ?, 邮政编码 = ? WHERE (客户ID = ?) AND (传真 = ? OR ? IS NULL AND 传真 IS NULL) AND (公司名称 = ?) AND (国家 = ? OR ? IS NULL AND 国家 IS NULL) AND (地区 = ? OR ? IS NULL AND 地区 IS NULL) AND (地址 = ? OR ? IS NULL AND 地址 IS NULL) AND (城市 = ? OR ? IS NULL AND 城市 IS NULL) AND (电话 = ? OR ? IS NULL AND 电话 IS NULL) AND (联系人头衔 = ? OR ? IS NULL AND 联系人头衔 IS NULL) AND (联系人姓名 = ? OR ? IS NULL AND 联系人姓名 IS NULL) AND (邮政编码 = ? OR ? IS NULL AND 邮政编码 IS NULL)" ; this .oleDbUpdateCommand1.Connection = this .oleDbConnection1; this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "城市" , System.Data.OleDb.OleDbType.VarWChar, 15, "城市" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "传真" , System.Data.OleDb.OleDbType.VarWChar, 24, "传真" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "地区" , System.Data.OleDb.OleDbType.VarWChar, 15, "地区" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "地址" , System.Data.OleDb.OleDbType.VarWChar, 60, "地址" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "电话" , System.Data.OleDb.OleDbType.VarWChar, 24, "电话" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "公司名称" , System.Data.OleDb.OleDbType.VarWChar, 40, "公司名称" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "国家" , System.Data.OleDb.OleDbType.VarWChar, 15, "国家" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "客户ID" , System.Data.OleDb.OleDbType.VarWChar, 5, "客户ID" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "联系人头衔" , System.Data.OleDb.OleDbType.VarWChar, 30, "联系人头衔" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "联系人姓名" , System.Data.OleDb.OleDbType.VarWChar, 30, "联系人姓名" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "邮政编码" , System.Data.OleDb.OleDbType.VarWChar, 10, "邮政编码" )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_客户ID" , System.Data.OleDb.OleDbType.VarWChar, 5, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "客户ID" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_传真" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "传真" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_传真1" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "传真" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_公司名称" , System.Data.OleDb.OleDbType.VarWChar, 40, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "公司名称" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_国家" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "国家" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_国家1" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "国家" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地区" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地区" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地区1" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地区" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地址" , System.Data.OleDb.OleDbType.VarWChar, 60, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地址" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_地址1" , System.Data.OleDb.OleDbType.VarWChar, 60, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "地址" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_城市" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "城市" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_城市1" , System.Data.OleDb.OleDbType.VarWChar, 15, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "城市" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_电话" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "电话" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_电话1" , System.Data.OleDb.OleDbType.VarWChar, 24, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "电话" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人头衔" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人头衔" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人头衔1" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人头衔" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人姓名" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人姓名" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_联系人姓名1" , System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "联系人姓名" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_邮政编码" , System.Data.OleDb.OleDbType.VarWChar, 10, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "邮政编码" , System.Data.DataRowVersion.Original, null )); this .oleDbUpdateCommand1.Parameters.Add( new System.Data.OleDb.OleDbParameter( "Original_邮政编码1" , System.Data.OleDb.OleDbType.VarWChar, 10, System.Data.ParameterDirection.Input, false , ((System.Byte)(0)), ((System.Byte)(0)), "邮政编码" , System.Data.DataRowVersion.Original, null )); // // dataSet1 // this .dataSet1.DataSetName = "NewDataSet" ; this .dataSet1.Locale = new System.Globalization.CultureInfo( "zh-CN" ); // // Form1 // this .AutoScaleBaseSize = new System.Drawing.Size(6, 14); this .ClientSize = new System.Drawing.Size(448, 238); this .Controls.Add( this .button9); this .Controls.Add( this .button7); this .Controls.Add( this .button6); this .Controls.Add( this .button5); this .Controls.Add( this .button4); this .Controls.Add( this .button3); this .Controls.Add( this .button2); this .Controls.Add( this .button1); this .Controls.Add( this .groupBox1); this .Controls.Add( this .button8); this .MaximizeBox = false ; this .Name = "Form1" ; this .StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this .Text = "演示读写ACCESS数据库" ; this .Load = new System.EventHandler( this .Form1_Load); this .groupBox1.ResumeLayout( false ); ((System.ComponentModel.ISupportInitialize)( this .dataSet1)).EndInit(); this .ResumeLayout( false ); } #endregion /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { Application.Run( new Form1()); } private void Form1_Load( object sender, System.EventArgs e) { //初始化数据集 try { this .oleDbDataAdapter1.Fill( this .dataSet1, "客户" ); this .textBox1.DataBindings.Add( "Text" , this .dataSet1, "客户.客户ID" ); this .textBox2.DataBindings.Add( "Text" , this .dataSet1, "客户.公司名称" ); this .textBox3.DataBindings.Add( "Text" , this .dataSet1, "客户.联系人姓名" ); this .textBox4.DataBindings.Add( "Text" , this .dataSet1, "客户.联系人头衔" ); this .textBox5.DataBindings.Add( "Text" , this .dataSet1, "客户.地址" ); this .textBox6.DataBindings.Add( "Text" , this .dataSet1, "客户.城市" ); this .textBox7.DataBindings.Add( "Text" , this .dataSet1, "客户.地区" ); this .textBox8.DataBindings.Add( "Text" , this .dataSet1, "客户.邮政编码" ); this .textBox9.DataBindings.Add( "Text" , this .dataSet1, "客户.国家" ); this .textBox10.DataBindings.Add( "Text" , this .dataSet1, "客户.电话" ); this .textBox11.DataBindings.Add( "Text" , this .dataSet1, "客户.传真" ); this .MyBind= this .BindingContext[ this .dataSet1, "客户" ]; } catch (Exception Err) { MessageBox.Show( "打开数据库表错误:" Err.Message, "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); return ; } } private void button1_Click( object sender, System.EventArgs e) { //第一条记录 this .MyBind.Position=0; } private void button2_Click( object sender, System.EventArgs e) { //前一条记录 if ( this .MyBind.Position==0) { MessageBox.Show( "已经是第一条记录" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); return ; } else this .MyBind.Position--; } private void button3_Click( object sender, System.EventArgs e) { //后一条记录 if ( this .MyBind.Position== this .MyBind.Count-1) { MessageBox.Show( "已经是末一条记录" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); return ; } else this .MyBind.Position ; } private void button4_Click( object sender, System.EventArgs e) { //末一条记录 this .MyBind.Position= this .MyBind.Count-1; } private void button5_Click( object sender, System.EventArgs e) { //新建记录 this .textBox1.Text= "" ; this .textBox2.Text= "" ; this .textBox3.Text= "" ; this .textBox4.Text= "" ; this .textBox5.Text= "" ; this .textBox6.Text= "" ; this .textBox7.Text= "" ; this .textBox8.Text= "" ; this .textBox9.Text= "" ; this .textBox10.Text= "" ; this .textBox11.Text= "" ; } private void button6_Click( object sender, System.EventArgs e) { //增加记录 if ( this .textBox1.Text.Length<1| this .textBox2.Text.Length<1| this .textBox3.Text.Length<1| this .textBox4.Text.Length<1| this .textBox5.Text.Length<1| this .textBox6.Text.Length<1| this .textBox7.Text.Length<1| this .textBox8.Text.Length<1| this .textBox9.Text.Length<1| this .textBox10.Text.Length<1| this .textBox11.Text.Length<1) { MessageBox.Show( "客户所有信息必须填写!" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); return ; } try { string StrSQL= "INSERT INTO 客户(客户ID,公司名称,联系人姓名,联系人头衔,地址,城市,地区,邮政编码,国家,电话,传真)VALUES('" ; StrSQL = this .textBox1.Text "','" ; StrSQL = this .textBox2.Text "','" ; StrSQL = this .textBox3.Text "','" ; StrSQL = this .textBox4.Text "','" ; StrSQL = this .textBox5.Text "','" ; StrSQL = this .textBox6.Text "','" ; StrSQL = this .textBox7.Text "','" ; StrSQL = this .textBox8.Text "','" ; StrSQL = this .textBox9.Text "','" ; StrSQL = this .textBox10.Text "','" ; StrSQL = this .textBox11.Text "')" ; this .oleDbCommand1.CommandText=StrSQL; this .oleDbCommand1.Connection= this .oleDbConnection1; //打开数据库连接 this .oleDbConnection1.Open(); //执行SQL命令 this .oleDbCommand1.ExecuteNonQuery(); //关闭连接 this .oleDbConnection1.Close(); //更新数据集 this .dataSet1.Tables[ "客户" ].Rows[ this .MyBind.Position].BeginEdit(); this .dataSet1.Tables[ "客户" ].Rows[ this .MyBind.Position].EndEdit(); this .dataSet1.AcceptChanges(); MessageBox.Show( "增加数据集记录操作成功!" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); } catch (Exception Err) { MessageBox.Show( "增加数据集记录操作失败:" Err.Message, "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); //如果打开了连接,则关闭它 if ( this .oleDbConnection1.State==ConnectionState.Open) { this .oleDbConnection1.Close(); } } } private void button7_Click( object sender, System.EventArgs e) { //修改记录 if ( this .textBox1.Text.Length<1) { MessageBox.Show( "客户ID必须填写!" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); return ; } try { string StrSQL= "UPDATE 客户 SET" ; StrSQL = " 公司名称='" this .textBox2.Text; StrSQL = "', 联系人姓名='" this .textBox3.Text; StrSQL = "', 联系人头衔='" this .textBox4.Text; StrSQL = "', 地址='" this .textBox5.Text; StrSQL = "', 城市='" this .textBox6.Text; StrSQL = "', 地区='" this .textBox7.Text; StrSQL = "', 邮政编码='" this .textBox8.Text; StrSQL = "', 国家='" this .textBox9.Text; StrSQL = "', 电话='" this .textBox10.Text; StrSQL = "', 传真='" this .textBox11.Text "' WHERE 客户ID='" this .textBox1.Text "'" ; this .oleDbCommand1.CommandText=StrSQL; this .oleDbCommand1.Connection= this .oleDbConnection1; //打开数据库连接 this .oleDbConnection1.Open(); //执行SQL命令 this .oleDbCommand1.ExecuteNonQuery(); //关闭连接 this .oleDbConnection1.Close(); //更新数据集 this .dataSet1.Tables[ "客户" ].Rows[ this .MyBind.Position].BeginEdit(); this .dataSet1.Tables[ "客户" ].Rows[ this .MyBind.Position].EndEdit(); this .dataSet1.AcceptChanges(); this .oleDbDataAdapter1.Fill( this .dataSet1, "客户" ); MessageBox.Show( "修改数据集记录操作成功!" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); } catch (Exception Err) { MessageBox.Show( "修改数据集记录操作失败:" Err.Message, "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); //如果打开了连接,则关闭它 if ( this .oleDbConnection1.State==ConnectionState.Open) { this .oleDbConnection1.Close(); } } } private void button8_Click( object sender, System.EventArgs e) { //删除记录 try { string StrSQL= "DELETE FROM 客户 WHERE " ; StrSQL = " 客户ID='" this .textBox1.Text "'" ; this .oleDbCommand1.CommandText=StrSQL; this .oleDbCommand1.Connection= this .oleDbConnection1; //打开数据库连接 this .oleDbConnection1.Open(); //执行SQL命令 this .oleDbCommand1.ExecuteNonQuery(); //关闭连接 this .oleDbConnection1.Close(); //更新数据集 this .dataSet1.Tables[ "客户" ].Rows[ this .MyBind.Position].BeginEdit(); this .dataSet1.Tables[ "客户" ].Rows[ this .MyBind.Position].EndEdit(); this .dataSet1.AcceptChanges(); this .oleDbDataAdapter1.Fill( this .dataSet1, "客户" ); this .MyBind.Position=0; MessageBox.Show( "删除数据集记录操作成功!" , "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); } catch (Exception Err) { MessageBox.Show( "删除数据集记录操作失败:" Err.Message, "信息提示" ,MessageBoxButtons.OK,MessageBoxIcon.Information); //如果打开了连接,则关闭它 if ( this .oleDbConnection1.State==ConnectionState.Open) { this .oleDbConnection1.Close(); } } } private void button9_Click( object sender, System.EventArgs e) { //关闭程序 //如果打开了连接,则关闭它 if ( this .oleDbConnection1.State==ConnectionState.Open) { this .oleDbConnection1.Close(); } this .Close(); } } } |
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