Question

 <asp:LinqDataSource ID="LinqDataSource2" runat="server" ContextTypeName="DataClassesDataContext"
                       TableName="PrivateMessages" Where="Sender == @Sender">
    <WhereParameters>
        <asp:QueryStringParameter Name="Sender"  QueryStringField="idCompany" Type="String" />
    </WhereParameters>
</asp:LinqDataSource>:LinqDataSource>

this code select from table PrivateMessages where Sender==QueryString('idCompany')
this code work fine.

i want select from privateMessage where Sender=="admin"????????

where sender equal a const string.

Answer 1

You can use Selecting event and do like..

protected void LinqDataSource1_Selecting(object sender, LinqDataSourceSelectEventArgs e)
{
    e.WhereParameters["Sender"] = set here...
}