[Solved] Problem with Radgrid Filter

[Amar]

Hi,
 I am having problem when adding filter on Radgrid. When I  add a filter the Radgrid generates this error: Collection was modified; enumeration operation may not execute. But when I remove the filter the Radgrid works. Below is my Radgrid code. Please help.

<telerik:RadGrid AutoGenerateColumns="False" ID="RadGrid1" DataSourceID="SqlDataSource1" Skin="WebBlue"

        AllowFilteringByColumn="True" AllowSorting="True" PageSize="15" OnItemDataBound="OnItemDataBoundHandler"

        OnUpdateCommand="RadGrid1_UpdateCommand"

        ShowFooter="True" AllowPaging="True" runat="server" GridLines="None"

                    EnableLinqExpressions="False" CellSpacing="0">



        <MasterTableView Width="100%"



        DataSourceID="SqlDataSource1" HorizontalAlign="NotSet"

            AutoGenerateColumns="False" DataKeyNames="IdCol"

            AllowFilteringByColumn="True">



<CommandItemSettings ExportToPdfText="Export to PDF"></CommandItemSettings>



<RowIndicatorColumn FilterControlAltText="Filter RowIndicator column"></RowIndicatorColumn>



<ExpandCollapseColumn Visible="True" FilterControlAltText="Filter ExpandColumn column"

                Created="True"></ExpandCollapseColumn>

    <Columns>

     <telerik:GridEditCommandColumn ButtonType="ImageButton" UniqueName="EditCommandColumn">



                    <ItemStyle CssClass="MyImageButton"></ItemStyle>



                </telerik:GridEditCommandColumn>



        <telerik:GridBoundColumn DataField="idCol" DataType="System.Int64"

            FilterControlAltText="Filter idCol column" HeaderText="idCol" ReadOnly="True"

            SortExpression="idCol" UniqueName="idCol" >

        </telerik:GridBoundColumn>



              <telerik:GridBoundColumn DataField="bondNo"

            FilterControlAltText="Filter bondNo column" HeaderText="bondNo"

            SortExpression="bondNo" UniqueName="bondNo" EditFormColumnIndex="0" CurrentFilterFunction="Contains" AutoPostBackOnFilter="true">

        </telerik:GridBoundColumn>



        <telerik:GridDropDownColumn  DataSourceID="SqlDataSource3" DataField="transporter"



                 ListTextField="transportername" ListValueField="transportername"

                  UniqueName="transporter" SortExpression="transporter" HeaderText="transporter"

                    DropDownControlType="DropDownList" EditFormColumnIndex="1">



        </telerik:GridDropDownColumn>



        <telerik:GridBoundColumn DataField="GRN" ReadOnly="True"

            FilterControlAltText="Filter GRN column" HeaderText="GRN"

            SortExpression="GRN" UniqueName="GRN" EditFormColumnIndex="3">

        </telerik:GridBoundColumn>

         <telerik:GridNumericColumn DataField="numberOfUnits" DataType="System.Int32"

            FilterControlAltText="Filter numberOfUnits column" HeaderText="numberOfUnits"

            SortExpression="numberOfUnits" UniqueName="numberOfUnits" EditFormColumnIndex="3">

        </telerik:GridNumericColumn>





              <telerik:GridHyperLinkColumn AllowSorting="False"

            DataNavigateUrlFields="idcol"

            DataNavigateUrlFormatString="PrintGRN.aspx?id={0}&reprint=yes"

            FilterControlAltText="Filter column column" Text="Reprint" UniqueName="column"  ItemStyle-Font-Underline="true">

<ItemStyle Font-Underline="True">

</ItemStyle>

        </telerik:GridHyperLinkColumn>





    </Columns>



    </telerik:RadGrid>

[Eyup]

Hi Amar,

I have prepared a sample RadGrid web site using the provided code snippet to test the described behavior. Can you please run the attached application and verify that it works as expected on your side, too?

Regards,
Eyup
Telerik