DataGrid實例（簡單易懂，無複雜功能，適合初學者）

讓ACCESS資料庫，適合初學者，修改連線、查詢語句後可直接執行，程式碼中有註明。

填滿DataSet的步驟
１、使用資料庫連接字串建立資料庫連接對象
２、用SQL查詢語句和資料庫連接物件建立資料庫適配器dataAdapter
３、使用DataAdapter的Fill 方法填入DataSet

using System;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
using System.Data.OleDb;
//Professional C# 2nd的DATAGRID實例
/**//// <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 SettingsManioMy DocumentsPrintManagerprogramPrintManageV1DataBasePrintDB.mdb";
string select = "SELECT * FROM MainInfo";

/**//////////////////////////////////
//填入DataSet的步驟
//１、使用資料庫連接字串建立資料庫連接對象
// ２、用SQL查詢語句和資料庫連接物件建立資料庫適配器dataAdapter
// ３、使用DataAdapter的Fill 方法填入DataSet

OleDbConnection OleCon = new OleDbConnection(source);

OleDbDataAdapter da = new OleDbDataAdapter(select,OleCon);

DataSet ds = new DataSet();

da.Fill("); da.Fill(");

dataGrid.SetDataBinding(ds, "MainInfo"); //DataGrid的資料綁定，使用DataSet 和資料庫的表名
}

/**//// <summary>
/// Display the application window
/// </summary>
static void Main()
{
Application.Run(new DisplayTabularData());
}
}