form1.cs

100个非常有趣的C语言UNIX程序实例。可以在乐趣中练习C语言编程。

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

namespace useDataGrid
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
        private System.Windows.Forms.DataGrid dataGrid1;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            this.dataGrid1 = new System.Windows.Forms.DataGrid();
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
            this.SuspendLayout();
            // 
            // dataGrid1
            // 
            this.dataGrid1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
                | System.Windows.Forms.AnchorStyles.Left) 
                | System.Windows.Forms.AnchorStyles.Right);
            this.dataGrid1.DataMember = "";
            this.dataGrid1.Name = "dataGrid1";
            this.dataGrid1.Size = new System.Drawing.Size(312, 264);
            this.dataGrid1.TabIndex = 0;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(312, 269);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.dataGrid1});
            this.Name = "Form1";
            this.Text = "使用DataGrid控件来显示数据";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
            this.ResumeLayout(false);

        }
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

        private void Form1_Load(object sender, System.EventArgs e)
        {
            string connString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=mctest.mdb"; 

            // 实例化OleDbConnection对象
            OleDbConnection myConnection = new OleDbConnection(); 
            myConnection.ConnectionString = connString;

            // 实例化OleDbDataAdapter对象
            OleDbDataAdapter da = new OleDbDataAdapter("SELECT * FROM Developer", myConnection); 
            
            // 实例化DataSet对象
            DataSet ds = new DataSet(); 
            
            // 把表中的数据填到DataSet对象中
            da.Fill(ds, "Developer");
            
            // 把数据显示在DataGrid控件中
            dataGrid1.DataSource = ds.DefaultViewManager; 
        }
	}
}