实例介绍
【实例简介】实现了 用户主表和 从表图书表 之间的联动，具体操作如下：点击左侧用户名(listbox) 即可 在右侧文本框 加载用户信息，并在下面的datagrid加载用户的图书信息,该实例附完整源码以及数据库
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace DataBase4
{
/// <summary>
/// 主控明细数据库显示。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
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 System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter2;
private System.Data.OleDb.OleDbCommand oleDbSelectCommand2;
private System.Data.OleDb.OleDbCommand oleDbInsertCommand2;
private DataBase4.DataSet1 dataSet11;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.DataGrid dataGrid1;
private System.Windows.Forms.ListBox listBox1;
/// <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 Form Designer generated code
/// <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.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.oleDbDataAdapter2 = new System.Data.OleDb.OleDbDataAdapter();
this.oleDbInsertCommand2 = new System.Data.OleDb.OleDbCommand();
this.oleDbSelectCommand2 = new System.Data.OleDb.OleDbCommand();
this.dataSet11 = new DataBase4.DataSet1();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label4 = new System.Windows.Forms.Label();
this.dataGrid1 = new System.Windows.Forms.DataGrid();
this.listBox1 = new System.Windows.Forms.ListBox();
((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
this.SuspendLayout();
//
// 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", "user", new System.Data.Common.DataColumnMapping[] {
new System.Data.Common.DataColumnMapping("username", "username"),
new System.Data.Common.DataColumnMapping("Email", "Email"),
new System.Data.Common.DataColumnMapping("address", "address")})});
this.oleDbDataAdapter1.UpdateCommand = this.oleDbUpdateCommand1;
//
// oleDbDeleteCommand1
//
this.oleDbDeleteCommand1.CommandText = "DELETE FROM [user] WHERE (username = ?) AND (Email = ? OR ? IS NULL AND Email IS "
"NULL) AND (address = ? OR ? IS NULL AND address IS NULL)";
this.oleDbDeleteCommand1.Connection = this.oleDbConnection1;
this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_username", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "username", System.Data.DataRowVersion.Original, null));
this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
//
// oleDbConnection1
//
//this.oleDbConnection1.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Password="""";User ID=Admin;Data Source=E:\Project\DataBase4\bin\Debug\test.mdb;Mode=Share Deny None;Extended Properties="""";Jet OLEDB:System database="""";Jet OLEDB:Registry Path="""";Jet OLEDB:Database Password="""";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password="""";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";
this.oleDbConnection1.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Password="""";User ID=Admin;Data Source=" System.Windows.Forms.Application.StartupPath @"\test.mdb;Mode=Share Deny None;Extended Properties="""";Jet OLEDB:System database="""";Jet OLEDB:Registry Path="""";Jet OLEDB:Database Password="""";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password="""";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";
//
// oleDbInsertCommand1
//
this.oleDbInsertCommand1.CommandText = "INSERT INTO [user] (username, Email, address) VALUES (?, ?, ?)";
this.oleDbInsertCommand1.Connection = this.oleDbConnection1;
this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("username", System.Data.OleDb.OleDbType.VarWChar, 20, "username"));
this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Email", System.Data.OleDb.OleDbType.VarWChar, 50, "Email"));
this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("address", System.Data.OleDb.OleDbType.VarWChar, 50, "address"));
//
// oleDbSelectCommand1
//
this.oleDbSelectCommand1.CommandText = "SELECT username, Email, address FROM [user]";
this.oleDbSelectCommand1.Connection = this.oleDbConnection1;
//
// oleDbUpdateCommand1
//
this.oleDbUpdateCommand1.CommandText = "UPDATE [user] SET username = ?, Email = ?, address = ? WHERE (username = ?) AND ("
"Email = ? OR ? IS NULL AND Email IS NULL) AND (address = ? OR ? IS NULL AND addr"
"ess IS NULL)";
this.oleDbUpdateCommand1.Connection = this.oleDbConnection1;
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("username", System.Data.OleDb.OleDbType.VarWChar, 20, "username"));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Email", System.Data.OleDb.OleDbType.VarWChar, 50, "Email"));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("address", System.Data.OleDb.OleDbType.VarWChar, 50, "address"));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_username", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "username", System.Data.DataRowVersion.Original, null));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
//
// oleDbDataAdapter2
//
this.oleDbDataAdapter2.InsertCommand = this.oleDbInsertCommand2;
this.oleDbDataAdapter2.SelectCommand = this.oleDbSelectCommand2;
this.oleDbDataAdapter2.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
new System.Data.Common.DataTableMapping("Table", "book", new System.Data.Common.DataColumnMapping[] {
new System.Data.Common.DataColumnMapping("username", "username"),
new System.Data.Common.DataColumnMapping("bookname", "bookname"),
new System.Data.Common.DataColumnMapping("description", "description")})});
//
// oleDbInsertCommand2
//
this.oleDbInsertCommand2.CommandText = "INSERT INTO book(username, bookname, description) VALUES (?, ?, ?)";
this.oleDbInsertCommand2.Connection = this.oleDbConnection1;
this.oleDbInsertCommand2.Parameters.Add(new System.Data.OleDb.OleDbParameter("username", System.Data.OleDb.OleDbType.VarWChar, 20, "username"));
this.oleDbInsertCommand2.Parameters.Add(new System.Data.OleDb.OleDbParameter("bookname", System.Data.OleDb.OleDbType.VarWChar, 50, "bookname"));
this.oleDbInsertCommand2.Parameters.Add(new System.Data.OleDb.OleDbParameter("description", System.Data.OleDb.OleDbType.VarWChar, 50, "description"));
//
// oleDbSelectCommand2
//
this.oleDbSelectCommand2.CommandText = "SELECT username, bookname, description FROM book";
this.oleDbSelectCommand2.Connection = this.oleDbConnection1;
//
// dataSet11
//
this.dataSet11.DataSetName = "DataSet1";
this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
this.dataSet11.Namespace = "http://www.tempuri.org/DataSet1.xsd";
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(16, 8);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(67, 18);
this.label1.TabIndex = 0;
this.label1.Text = "用户名：";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(144, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(52, 18);
this.label2.TabIndex = 2;
this.label2.Text = "地址：";
//
// textBox1
//
this.textBox1.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "user.address"));
this.textBox1.Location = new System.Drawing.Point(192, 40);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(200, 25);
this.textBox1.TabIndex = 3;
this.textBox1.Text = "";
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(144, 104);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(60, 18);
this.label3.TabIndex = 4;
this.label3.Text = "Email：";
//
// textBox2
//
this.textBox2.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "user.Email"));
this.textBox2.Location = new System.Drawing.Point(192, 96);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(200, 25);
this.textBox2.TabIndex = 5;
this.textBox2.Text = "";
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(16, 128);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(52, 18);
this.label4.TabIndex = 6;
this.label4.Text = "书籍：";
//
// dataGrid1
//
this.dataGrid1.DataMember = "user.userbook";
this.dataGrid1.DataSource = this.dataSet11;
this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGrid1.Location = new System.Drawing.Point(16, 152);
this.dataGrid1.Name = "dataGrid1";
this.dataGrid1.Size = new System.Drawing.Size(376, 152);
this.dataGrid1.TabIndex = 7;
//
// listBox1
//
this.listBox1.DataSource = this.dataSet11;
this.listBox1.DisplayMember = "user.username";
this.listBox1.ItemHeight = 15;
this.listBox1.Location = new System.Drawing.Point(16, 32);
this.listBox1.Name = "listBox1";
this.listBox1.Size = new System.Drawing.Size(120, 94);
this.listBox1.TabIndex = 8;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
this.ClientSize = new System.Drawing.Size(402, 312);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.listBox1,
this.dataGrid1,
this.label4,
this.textBox2,
this.label3,
this.textBox1,
this.label2,
this.label1});
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "主控明细数据库显示";
this.Load = new System.EventHandler(this.Form1_Load);
((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).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)
{
dataSet11.Clear();
oleDbDataAdapter1.Fill(dataSet11);
oleDbDataAdapter2.Fill(dataSet11);
}
}
}
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