Problem with TempleteColumn in Telerik RadGrid

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Gridview

Telerik

Kendo

Hello guys,

i'm having problem with gridtempletecolumn, when i add boundcolums the data shown properly but when i use templetecolum it does not show the data, can any one solve my problem.

check these images for more clearification:
http://www.telerik.com/clientsfiles/e7aa0045-a4f7-4df6-af0e-fa5ddb14560c_without-templetecolumn.png?sfvrsn=0[^]


http://www.telerik.com/clientsfiles/f741ae7d-66fe-405f-93a8-35174b0a90a7_with-templetecolumn.png?sfvrsn=0[^]

Thanks in advance.

Here is my code:

<pre lang="HTML">

<telerik:RadGrid ID="GVSeries" GridLines="None" runat="server" AllowAutomaticDeletes="True"
AllowAutomaticInserts="true" AllowFilteringByColumn="true" AllowSorting="true" PageSize="10" Skin="Default" OnItemDeleted="GVSeries_ItemDeleted" OnItemInserted="GVSeries_ItemInserted"
OnItemUpdated="GVSeries_ItemUpdated" OnPreRender="GVSeries_PreRender" AllowAutomaticUpdates="True" AllowPaging="True"
AutoGenerateColumns="False" Width="100%" önBatchEditCommand="GVSeries_BatchEditCommand" ItemStyle-Font-Size="Larger" HeaderStyle-Font-Size="Larger" CommandItemStyle-Font-Size="Larger" Font-Size="Larger">
<mastertableview commanditemdisplay="TopAndBottom" datakeynames="SeriesID">
HorizontalAlign="NotSet" EditMode="Batch" AutoGenerateColumns="False">
<batcheditingsettings edittype="row" openeditingevent="Click" saveallhierarchylevels="false">
<sortexpressions>
<telerik:gridsortexpression fieldname="SeriesID" sortorder="Ascending" xmlns:telerik="#unknown">

<columns> <telerik:gridboundcolumn datafield="ElementID" headerstyle-width="50px" headertext="ElementID" sortexpression="ElementID" xmlns:telerik="#unknown">
UniqueName="ElementID">

<telerik:gridboundcolumn datafield="Title" headerstyle-width="50px" headertext="Title" sortexpression="Title" xmlns:telerik="#unknown">
UniqueName="Title">

<telerik:gridboundcolumn datafield="Description" headerstyle-width="50px" headertext="Description" sortexpression="Description" xmlns:telerik="#unknown">
UniqueName="Description">

<telerik:gridboundcolumn datafield="Sequence" headerstyle-width="50px" itemstyle-wrap="true" headertext="Sequence" sortexpression="Sequence" xmlns:telerik="#unknown">
UniqueName="Sequence">

<telerik:gridboundcolumn datafield="SeriesTypeID" headerstyle-width="50px" itemstyle-wrap="true" headertext="SeriesTypeID" sortexpression="SeriesTypeID" xmlns:telerik="#unknown">
UniqueName="SeriesTypeID">

<telerik:gridboundcolumn datafield="Stack" headerstyle-width="50px" itemstyle-wrap="true" headertext="Stack" sortexpression="Stack" xmlns:telerik="#unknown">
UniqueName="Stack">

<telerik:gridboundcolumn datafield="Color" headerstyle-width="50px" itemstyle-wrap="true" headertext="Color" sortexpression="Color" xmlns:telerik="#unknown">
UniqueName="Color">

<telerik:gridboundcolumn datafield="FunctionName" headerstyle-width="50px" itemstyle-wrap="true" headertext="FunctionName" sortexpression="FunctionName" xmlns:telerik="#unknown">
UniqueName="FunctionName">


<telerik:gridtemplatecolumn xmlns:telerik="#unknown">
<itemtemplate>
<%# Eval("Show_As_Parameter")%>

<edititemtemplate>
<asp:CheckBox Text="text" runat="server" />


<telerik:gridbuttoncolumn confirmtext="Are you sure you want delete this reord?" confirmdialogtype="RadWindow" xmlns:telerik="#unknown">
ConfirmTitle="Delete" HeaderText="Delete" HeaderStyle-Width="30px" ButtonType="ImageButton"
CommandName="Delete" Text="Delete" UniqueName="DeleteColumn">

<%--<telerik:grideditcommandcolumn footertext="EditCommand footer" uniquename="EditCommandColumn" xmlns:telerik="#unknown">
HeaderText="Edit" HeaderStyle-Width="100px" UpdateText="Update">
--%>

<clientsettings allowkeyboardnavigation="false">
<Selecting AllowRowSelect="true"></Selecting>