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find costum control in filter template

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Grid

This is a migrated thread and some comments may be shown as answers.

mohamadreza asked on 03 Aug 2017, 03:35 AM

I'm trying to filter a column of a grid table using a custom persian datepicker control that mentioned in Grid - Filter Templates demo. but it couldn't find that custom date picker in javascript code , so the alert function returns "null".

plz help.

<telerik:RadGrid RenderMode="Lightweight" ID="RadGrid2" ShowStatusBar="true" runat="server" AllowPaging="True" PageSize="5" DataSourceID="sds_RadGrid_Records" AllowFilteringByColumn="true" >

<MasterTableView Width="100%" AutoGenerateColumns="false" DataKeyNames="AutoCnt" DataSourceID="sds_RadGrid_Records">

<Columns>

<telerik:GridBoundColumn ItemStyle-Width="30px" UniqueName="RegNumber" ShowFilterIcon="false" DataField="RegNumber" HeaderText="RegNumber" CurrentFilterFunction="Contains" AutoPostBackOnFilter="true" FilterDelay="2000">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn ItemStyle-Width="30px" UniqueName="Barid_ID" DataField="Barid_ID" HeaderText="Barid_ID"

CurrentFilterFunction="Contains" AutoPostBackOnFilter="true" >

</telerik:GridBoundColumn>

<telerik:GridBoundColumn ItemStyle-Width="30px" ShowFilterIcon="false" UniqueName="People" DataField="People" HeaderText="People"

CurrentFilterFunction="Contains" AutoPostBackOnFilter="true" FilterDelay="10000">

</telerik:GridBoundColumn>

<telerik:GridDateTimeColumn DataType="System.DateTime" UniqueName="RegDate" DataField="RegDate" HeaderText="RegDate">

<%--<ItemTemplate>

<asp:Label ID="Label32" runat="server" Text='<%# Fadate.GetFaDate_WithEslash(Eval("RegDate")) %>'></asp:Label>

</ItemTemplate>--%>

<FilterTemplate>

<telerik:RadLabel runat="server" AssociatedControlID="txt_Filter_RegDate_From" Text="From" Style="padding-left: 5px;"></telerik:RadLabel>

<rhp:DatePicker ID="txt_Filter_RegDate_From" runat="server" OnUpdate="FromDateSelected" Width="80px"></rhp:DatePicker>

<telerik:RadLabel runat="server" AssociatedControlID="txt_Filter_RegDate_To" Text="To" Style="padding-left: 5px;"></telerik:RadLabel>

<rhp:DatePicker ID="txt_Filter_RegDate_To" runat="server" Width="80px"></rhp:DatePicker>

<telerik:RadScriptBlock ID="RadScriptBlock2" runat="server">

<script type="text/javascript">

function FromDateSelected(calendar) {

var tableView = $find("<%# ((GridItem)Container).OwnerTableView.ClientID %>");

var ToPicker = $find('<%# ((GridItem)Container).FindControl("txt_Filter_RegDate_To").ClientID %>');

alert(ToPicker);

}

</script>

</telerik:RadScriptBlock>

</FilterTemplate>

</telerik:GridDateTimeColumn>

</Columns>

</MasterTableView>

<ClientSettings AllowKeyboardNavigation="true" EnablePostBackOnRowClick="false">

<Selecting AllowRowSelect="true"></Selecting>

</ClientSettings>

<PagerStyle Mode="NextPrevAndNumeric"></PagerStyle>

</telerik:RadGrid>

find costum control in filter template

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