CSharp Button Column In Asp:Datagrid – ADO.Net Database

<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OLEDB" %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
    If Not IsPostBack Then
        Dim DBConn as OleDbConnection
        Dim DBCommand As OleDbDataAdapter
        Dim DSPageData as New DataSet
        DBConn = New OleDbConnection( _
            "PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
            & "DATA SOURCE=" _
            & Server.MapPath("EmployeeDatabase.mdb;"))
        DBCommand = New OleDbDataAdapter _
            ("Select LastName, FirstName, ID From Employee " _
            & "Order By LastName, FirstName", DBConn)
        DBCommand.Fill(DSPageData, _
            "Employee")
        dgEmps.DataSource = _
            DSPageData.Tables("Employee").DefaultView
        dgEmps.DataBind()
    End If
End Sub
Sub Click_Grid(ByVal Sender as Object, ByVal E as DataGridCommandEventArgs)
    lblMessage.Text = E.Item.Cells(1).Text
End Sub
</script>
<html>
<head>
<title>Using a ButtonColumn Control in a DataGrid Control</title>
</head>
<body LEFTMARGIN="40">
<form runat="server">
<br /><br />
<asp:Label
    id="lblMessage"
    runat="server"
/>
<br /><br />
<asp:datagrid
    id="dgEmps"
    runat="server"
    autogeneratecolumns="false"
    onitemcommand="Click_Grid"
>
    <columns>
        <asp:boundcolumn
            HeaderText="Full Name"
            DataField="LastName"
        />
        <asp:boundcolumn
            DataField="ID"
            Visible=False
        />
        <asp:buttoncolumn
            HeaderText="Other Fields"
            ButtonType="PushButton"
            Text="Click to Display Other Fields"
        />
    </columns>
</asp:datagrid>
</form>
</body>
</html>

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