DataGrid实例（简单易懂，无复杂功能，适合初学者）

     使ACCESS数据库，适合初学者，修改连接、查询语句后可直接运行，代码中有注明。
  
   填充DataSet的步骤
   １、使用数据库连接字符串创建数据库连接对象
   ２、用SQL查询语句和数据库连接对象创建数据库适配器dataAdapter
   ３、使用DataAdapter的Fill 方法填充DataSet
  
  
  using System;
  using System.Windows.Forms;
  using System.Data;
  using System.Data.SqlClient;
  using System.Data.OleDb;
  //Professional C# 2nd的DATAGRID实例
  /**//// <summary>
  /// This class provides an example of creating and using a data grid.
  /// </summary>
  public class DisplayTabularData : System.Windows.Forms.Form
  {
   private System.Windows.Forms.Button retrieveButton;
   private System.Windows.Forms.DataGrid dataGrid;
  
   /**//// <summary>
   /// Construct the window.
   /// </summary>
   /// <remarks>
   /// This method constructs the window by creating both the data grid and the button.
   /// </remarks>
   public DisplayTabularData()
   {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(464, 253);
   this.Text = “01_DisplayTabularData”;
   this.dataGrid = new System.Windows.Forms.DataGrid();
   dataGrid.BeginInit();
   dataGrid.Location = new System.Drawing.Point(8, 8);
   dataGrid.Size = new System.Drawing.Size(448, 208);
   dataGrid.TabIndex = 0;
   dataGrid.Anchor = AnchorStyles.Bottom | AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
   this.Controls.Add(this.dataGrid);
   dataGrid.EndInit();
   this.retrieveButton = new System.Windows.Forms.Button();
   retrieveButton.Location = new System.Drawing.Point(384, 224);
   retrieveButton.Size = new System.Drawing.Size(75, 23);
   retrieveButton.TabIndex = 1;
   retrieveButton.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
   retrieveButton.Text = “Retrieve”;
   retrieveButton.Click += new System.EventHandler(this.retrieveButton_Click);
   this.Controls.Add(this.retrieveButton);
   }
  
   /**//// <summary>
   /// Retrieve the data
   /// </summary>
   /// <param name=”sender”> </param>
   /// <param name=”e”> </param>
   protected void retrieveButton_Click(object sender, System.EventArgs e)
   {
   retrieveButton.Enabled = false;
  
   string source = @”Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Manio\My Documents\PrintManager\program\PrintManageV1\DataBase\PrintDB.mdb”;
   string select = “SELECT * FROM MainInfo”;
  
   /**/////////////////////////////////
   //填充DataSet的步骤
   //１、使用数据库连接字符串创建数据库连接对象
   // ２、用SQL查询语句和数据库连接对象创建数据库适配器dataAdapter
   // ３、使用DataAdapter的Fill 方法填充DataSet
  
   OleDbConnection OleCon = new OleDbConnection(source);
  
   OleDbDataAdapter da = new OleDbDataAdapter(select,OleCon);
  
   DataSet ds = new DataSet();
  
   da.Fill(ds, “MainInfo”);
  
   dataGrid.SetDataBinding(ds, “MainInfo”); //DataGrid的数据绑定，使用DataSet 和　数据库的表名
   }
  
   /**//// <summary>
   /// Display the application window
   /// </summary>
   static void Main()
   {
   Application.Run(new DisplayTabularData());
   }
  }
  
  
    
摘自 ：电脑学习文摘 .