c# 读取网络上的access数据库(web)

【核心代码】

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace MyWebClient
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.DataGrid dataGrid1;
		/// <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.panel1 = new System.Windows.Forms.Panel();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.panel1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.textBox1);
			this.panel1.Controls.Add(this.label2);
			this.panel1.Controls.Add(this.comboBox1);
			this.panel1.Controls.Add(this.label1);
			this.panel1.Controls.Add(this.button1);
			this.panel1.Dock = System.Windows.Forms.DockStyle.Top;
			this.panel1.Location = new System.Drawing.Point(0, 0);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(408, 40);
			this.panel1.TabIndex = 1;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(256, 8);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(64, 21);
			this.textBox1.TabIndex = 4;
			this.textBox1.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(184, 16);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(80, 16);
			this.label2.TabIndex = 3;
			this.label2.Text = "设置查询值：";
			// 
			// comboBox1
			// 
			this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.comboBox1.Items.AddRange(new object[] {
														   "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"});
			this.comboBox1.Location = new System.Drawing.Point(96, 8);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(88, 20);
			this.comboBox1.TabIndex = 2;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(96, 16);
			this.label1.TabIndex = 1;
			this.label1.Text = "选择查询条件：";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(328, 8);
			this.button1.Name = "button1";
			this.button1.TabIndex = 0;
			this.button1.Text = "开始查询";
			this.button1.Click  = new System.EventHandler(this.button1_Click);
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionVisible = false;
			this.dataGrid1.DataMember = "";
			this.dataGrid1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 40);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(408, 254);
			this.dataGrid1.TabIndex = 3;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(408, 294);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.panel1);
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "演示以Web方式查询Access数据库";
			this.panel1.ResumeLayout(false);
			((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 button1_Click(object sender, System.EventArgs e)
		{//以Web方式查询 Access数据库
			if(this.comboBox1.Text.Length>1&&this.textBox1.Text.Length>1)
			{
				localhost.Service1 MyService=new localhost.Service1();
				DataSet MySet=new DataSet();
				string FieldName=this.comboBox1.Text;
				string FieldValue=this.textBox1.Text;
				MySet=MyService.GetCustomerInformation(FieldName,FieldValue);
				if(MySet!=null)
				{
					this.dataGrid1.DataSource=MySet;					
				}
			}
		
		}

	
	}
}