ORM DataAccess Error

[Muhammad]

I have created one table with the name Group and I want to bind that table using Telerik ORM but I am getting this exception.

Exception :

An exception occured during the execution of ' Extent<FFDataLibrary.FFDAL.FF_Group>'.

Code :

 Protected Sub BindGrid()

        Dim query = obj_DBContext.GetAll(Of FF_Group)()
        rgGroup.DataSource = query.ToList
        rgGroup.DataBind()


    End Sub

 <telerik:RadGrid ID="rgGroup" runat="server" ShowStatusBar="true" AutoGenerateColumns="False"
        AllowSorting="True" AllowMultiRowSelection="true" AllowPaging="True" GridLines="None"
        AllowAutomaticDeletes="True" AllowAutomaticInserts="True" AllowAutomaticUpdates="True">
        <PagerStyle Mode="NumericPages"></PagerStyle>
        <MasterTableView DataKeyNames="ID" AllowMultiColumnSorting="True" CommandItemDisplay="Top"
            Name="Group Name" Caption="Group Name" Summary="Group Name">
            <Columns>
                <telerik:GridEditCommandColumn ButtonType="ImageButton" UniqueName="EditCommandColumn">
                </telerik:GridEditCommandColumn>
                <telerik:GridBoundColumn SortExpression="ID" HeaderText="ID" HeaderButtonType="TextButton"
                    DataField="ID" UniqueName="ID" ReadOnly="true">
                </telerik:GridBoundColumn>
                <telerik:GridBoundColumn SortExpression="GroupName" HeaderText="Group Name" HeaderButtonType="TextButton"
                    DataField="GroupName" UniqueName="GroupName">
                </telerik:GridBoundColumn>
            </Columns>
            <EditFormSettings CaptionDataField="ID" CaptionFormatString="Edit properties for Group with ID: {0}">
            </EditFormSettings>
        </MasterTableView>
        <ClientSettings AllowKeyboardNavigation="true">
            <Selecting AllowRowSelect="true" />
            <KeyboardNavigationSettings EnableKeyboardShortcuts="true" AllowSubmitOnEnter="true"
                AllowActiveRowCycle="true" />
        </ClientSettings>
    </telerik:RadGrid>

[Alexander]

Hi Muhammad,

This exception is not very explanatory. Could you please look if there is an internal exception which could give us more details about the exact problem?

Kind regards,
Alexander
the Telerik team