I know this has been discussed multiple times in the forum, but unfortunately I was unable to find a solution that was working for me. So here it is again. Please someone help! :)
Here is the code
<AxnGrids:AxnGrid AllowMultiRowSelection="False" AllowRowClickEventPropagation="True" AllowSorting="True" AutoGenerateColumns="False"
EnableEmbeddedSkins="False" EnableViewState="True" Height="100%" ID="TimeCardsGrid" InitialResizeToFit="True"
OnItemDataBound="TimeCardsGrid_OnItemDataBound" OnNeedDataSource="TimeCardsGrid_OnNeedDataSource" runat="server" Skin="TMW_v1"
TabIndex="-1">
<MasterTableView EditMode="EditForms" AllowMultiColumnSorting="True" TableLayout="Auto" EnableColumnsViewState="True" EnableViewState="True" >
<Columns>
<%-- columns returned: empid, emptimeid, startdate, enddate, status, empdrvid, approved --%>
<telerik:GridBoundColumn DataField="TimecardId" HeaderText="Timecard" HeaderStyle-HorizontalAlign="Right" ItemStyle-HorizontalAlign="Right" HeaderStyle-Width="100px" />
<telerik:GridBoundColumn DataField="StartDate" HeaderText="Start Date" HeaderStyle-HorizontalAlign="Right" ItemStyle-HorizontalAlign="Right" HeaderStyle-Width="100px" />
<telerik:GridBoundColumn DataField="EndDate" HeaderText="End Date" HeaderStyle-HorizontalAlign="Right" ItemStyle-HorizontalAlign="Right" HeaderStyle-Width="100px" />
<telerik:GridBoundColumn DataField="Approved" HeaderText="Approved" HeaderStyle-HorizontalAlign="Right" ItemStyle-HorizontalAlign="Right" HeaderStyle-Width="100px" />
</Columns>
<SortExpressions>
<telerik:GridSortExpression FieldName="TimecardId" SortOrder="Descending" />
</SortExpressions>
</MasterTableView>
<ClientSettings>
<ClientEvents OnGridCreating="FixGridSizers" OnRowDblClick="raiseServerCommandRowDblClick" />
<Resizing AllowColumnResize="True" ClipCellContentOnResize="False" />
<Selecting AllowRowSelect="True" />
<Scrolling AllowScroll="True" EnableVirtualScrollPaging="False" UseStaticHeaders="True" />
</ClientSettings>
</AxnGrids:AxnGrid>
When this is run, i get the error "An item with the same key has already been added". if i comment out the line between the SortExpression, it works fine.
Any suggestions