以程式設計方式建立應用程式和 SQL Server 資料庫間的連接
以下程式碼建立 SqlConnection 物件、設定 SqlConnection.ConnectionString 屬性並開啟連接。 
' Visual BasicPublic Sub ConnectToSql()    
Dim conn 
As New SqlClient.SqlConnection    
' TODO: Modify the connection string and include any    ' additional required properties for your database.    conn.ConnectionString = & _
    "integrated security=SSPI;data source=SQL Server Name;" & _
    "persist security info=False;initial catalog=northwind"    
Try        conn.
Open()        
' Insert code to process data.    Catch ex 
As Exception        MessageBox.Show("Failed to connect to data source")    
Finally        conn.
Close()    
End TryEnd Sub你有裝VS2003的MSDN嗎?如果有的話在VS裡搜尋SQL可以找到上面這段~ 
