SqlConnection sqlConnection1 = new SqlConnection ( "Data Source=localhost ;Integrated Security=SSPI ;Initial Catalog=Northwind" ) ;
//建立資料連線
SqlCommand selectCMD = new SqlCommand ( "SELECT CustomerID , CompanyName FROM Customers" , sqlConnection1 ) ;
//建立並初始化SqlCommand物件
SqlDataAdapter sqlDataAdapter1 = new SqlDataAdapter ( ) ;
custDA.SelectCommand = selectCMD ;
sqlConnection.Open ( ) ;
//建立SqlDataAdapter物件，並根據SelectCommand屬性檢索資料
DataSet dsDataSet1 = new DataSet ( ) ;
sqlDataAdapter1.Fill ( dsDataSet1 , "Customers" ) ;
//使用SqlDataAdapter的Fill方法填充DataSet
sqlConnection.Close ( ) ;
//關閉資料連線

SqlCommandBuilder sqlCommandBuilder1 = new SqlCommandBuilder ( sqlDataAdapter1 ) ;
//以sqlDataAdapter1為引數來初始化SqlCommandBuilder例項
dsDataSet1.Tables["Customers"].Rows[0].Delete ( ) ;
//刪除DataSet中刪除資料表Customers中第一行資料
sqlDataAdapter1.Update ( dsDataSet1 ,"Customers" ) ;
//呼叫Update方法，以DataSet中的資料更新從資料庫
dsDataSet1.Tables["Customers"].AcceptChanges ( ) ;