Материал из .Net Framework эксперт
Get command from OleDbCommandBuilder
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<script language="VB" runat="server">
Sub Page_Load(Sender As Object, E As EventArgs)
Dim strConnection As String
Dim strSQL As String
Dim objDataSet As New DataSet()
Dim objConnection As OleDbConnection
Dim objAdapter As OleDbDataAdapter
Dim objCommand As OleDbCommand
Dim objBuilder As OleDbCommandBuilder
" set the connection and query details
strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " & _
"Data Source=c:\Northwind.mdb"
strSQL = "SELECT EmployeeID, FirstName, LastName FROM Employees"
" open the connection and set the command
objConnection = New OledbConnection(strConnection)
objAdapter = New OledbDataAdapter(strSQL, objConnection)
" create the other commands
objBuilder = New OleDbCommandBuilder(objAdapter)
objAdapter.UpdateCommand = objBuilder.GetUpdateCommand()
objAdapter.InsertCommand = objBuilder.GetInsertCommand()
objAdapter.DeleteCommand = objBuilder.GetDeleteCommand()
" now display the CommandText property from each command
lblSelectCommand.Text = objAdapter.SelectCommand.rumandText
lblUpdateCommand.Text = objAdapter.UpdateCommand.rumandText
lblInsertCommand.Text = objAdapter.InsertCommand.rumandText
lblDeleteCommand.Text = objAdapter.DeleteCommand.rumandText
End Sub
</script>
<html>
<body>
<table border="1">
<tr>
<td>Command</td>
<td>CommandText</td>
</tr>
<tr>
<td>SelectCommand</td>
<td><asp:Label id="lblSelectCommand" runat="server" />
</tr>
<tr>
<td>UpdateCommand</td>
<td><asp:Label id="lblUpdateCommand" runat="server" />
</tr>
<tr>
<td>InsertCommand </td>
<td><asp:Label id="lblInsertCommand" runat="server" />
</tr>
<tr>
<td>DeleteCommand</td>
<td><asp:Label id="lblDeleteCommand" runat="server" />
</tr>
</table>
</body>
</html>
