This demo shows a DataGrid Web control with a Details "button" present and demonstrates how to
have a piece of code fire when a button is clicked. Cilck one of the Details buttons and, next to
the Status text you should see a message indicating that you clicked such a button!
Source Code
<% @Import Namespace="System.Data" %>
<% @Import Namespace="System.Data.SqlClient" %>
<script language="vb" runat="server">
Sub Page_Load(sender as Object, e as EventArgs)
If Not Page.IsPostBack then
BindData()
End If
End Sub
Sub BindData()
'1. Create a connection
Dim myConnection as New SqlConnection(ConfigurationSettings.AppSettings("connectionString"))
'2. Create the command object, passing in the SQL string
Const strSQL as String = "sp_Popularity"
Dim myCommand as New SqlCommand(strSQL, myConnection)
'Set the datagrid's datasource to the datareader and databind
myConnection.Open()
dgPopularFAQs.DataSource = myCommand.ExecuteReader(CommandBehavior.CloseConnection)
dgPopularFAQs.DataBind()
End Sub
Sub dispDetails(sender as Object, e As DataGridCommandEventArgs)
lblOutput.Text = "You clicked one of the details buttons!"
End Sub
</script>
<form runat="server">
<b>Status:</b> <asp:label id="lblOutput" runat="server" Font-Italic="True" />
<p>
<asp:DataGrid runat="server" id="dgPopularFAQs"
BackColor="#eeeeee" Width="85%"
HorizontalAlign="Center"
Font-Name="Verdana" CellPadding="4"
Font-Size="10pt" AutoGenerateColumns="False"
OnItemCommand="dispDetails">
<HeaderStyle BackColor="Black" ForeColor="White" Font-Bold="True" HorizontalAlign="Center" />
<AlternatingItemStyle BackColor="White" />
<Columns>
<asp:ButtonColumn Text="Details" HeaderText="FAQ Details" CommandName="details" ButtonType="PushButton" />
<asp:BoundColumn DataField="FAQID" HeaderText="FAQ ID" />
<asp:BoundColumn DataField="Description" HeaderText="FAQ Description" />
</Columns>
</asp:datagrid>
</form>