Questions on UI for ASP.NET AJAX Forum

110,745 questions

4 answers

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ItemTemplate missing for dynamically created template columns on rebind

I followed the example found in your documentation at the link below on programmatically creating template columns.

http://www.telerik.com/help/aspnet-ajax/grdprogrammaticcreation.html#Creating_template_columns_programmatically

This works great for the initial data binding of the grid. However, on a subsequent postback when I call Rebind the output for the column with custom item template is blank. When I use the debugger to step through the NeedDataSource event handler it appears the custom item template is no longer associated with the column. The ItemTemplate property on the column is now null.

I followed the recommendation to add the new column to the collection before setting properties.

templateColumn = new GridTemplateColumn();

rgPlans.Columns.Add(templateColumn);

templateColumn.HeaderText = "Custom Column";

templateColumn.ItemTemplate = new CustomFieldTemplate("MyCustomId");

Other non-template columns on my grid which I created dynamically seem to retain their settings.

Any ideas on why the column item template was lost?

Thanks

Grid

answered on 08 Dec 2010

5 answers

79 views

Simplest of groupings

Hello. I'm trying to achieve the following look: The column columnUserName needs to be grouped and for all the counties that relates to a user, he should be repeated just once. I need the group NOT expanded. I also want the user NOT able to make any visual changes i.e. change grouping at run-time. Thanks.

<fieldset id="fieldsetCountyAssignments" style="width: 868px">

<legend>

County Assignments:

</legend>

<telerik:RadGrid ID="RadGridCountyAssignments2" runat="server" AutoGenerateColumns="False" AllowPaging="True"

GridLines="None" Skin="Office2007" SkinID="RadGrid_UnPageable" DataSourceID="LinqDataSourceAssignedCounties"

ShowGroupPanel="True">

<MasterTableView DataKeyNames="OID" DataSourceID="LinqDataSourceAssignedCounties" GroupsDefaultExpanded="true">

<Columns>

<telerik:GridBoundColumn DataField="UserName" HeaderText="User" UniqueName="columnUserName" />

<telerik:GridBoundColumn DataField="CountyName" HeaderText="County" UniqueName="columnCountyName" Groupable="False" />

</Columns>

<GroupByExpressions>

<telerik:GridGroupByExpression>

<SelectFields>

<telerik:GridGroupByField FieldName="UserName" />

</SelectFields>

<GroupByFields>

<telerik:GridGroupByField FieldName="UserName" />

</GroupByFields>

</telerik:GridGroupByExpression>

</GroupByExpressions>

</MasterTableView>

<ClientSettings AllowDragToGroup="True">

</ClientSettings>

</telerik:RadGrid>

<asp:Button ID="ButtonModifyAssignments" runat="server" OnClick="ButtonModifyAssignments_Click" Text="Modify Assignments" />

</fieldset>

Grid

answered on 08 Dec 2010

3 answers

244 views

Horizontal Scroll not appearing in RadGrid

Hi,

1) I have a RadGrid with MasterTableView and DetailTables. There are many columns in DetailTables and because of this the last column will not be shown fully. I want the Horizontal scroll to appear so that we can see the last column properly. I have added the code <Scrolling AllowScroll="True" ScrollHeight="50px" UseStaticHeaders="true" /> but still the Horizontal scroll is not appearing. How to achieve this?

2) If I enter data in textbox (in RadGrid) and go to Page 2 and come back again to Page 1, the data entered in Page 1 will be lost. I want to retain the values in the grid after Paging. How to retain the data after pagination?

The browser I am using is IE8.

I have also attached the code and screenshot. Please provide the solution for the queries.

<telerik:RadGrid ID="rgCostBasisInquiry" runat="server" AllowMultiRowSelection="false" AllowPaging="true" OnPreRender="rgCostBasisInquiry_PreRender"

ShowHeader="true" AutoGenerateColumns="False" loadingtemplatetransparency="25"

OnNeedDataSource="rgCostBasisInquiry_NeedDataSource" Width="750px" OnItemDataBound="rgCostBasisInquiry_ItemDataBound"

OnDetailTableDataBind="rgCostBasisInquiry_DetailTableDataBind" GridLines="None"

AllowSorting="True" Height="220px" AlternatingItemStyle-BackColor="AliceBlue"

Skin="Office2007">

<AlternatingItemStyle BackColor="AliceBlue"></AlternatingItemStyle>

<MasterTableView TableLayout="Fixed" Name="CBInquiryGrid" DataKeyNames="SecurityMasterID" EnableNoRecordsTemplate="true" >

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

<NoRecordsTemplate>

<div>No records to display</div>

</NoRecordsTemplate>

<ParentTableRelation>

<telerik:GridRelationFields DetailKeyField="SecurityMasterID" MasterKeyField="SecurityMasterID" />

</ParentTableRelation>

<DetailTables>

<telerik:GridTableView AllowPaging="false" Name="gtvCBInquiryChildGrid" runat="server"

ShowHeader="true" Width="100%" >

<RowIndicatorColumn>

<HeaderStyle Width="5px"></HeaderStyle>

</RowIndicatorColumn>

<ExpandCollapseColumn>

<HeaderStyle Width="5px"></HeaderStyle>

</ExpandCollapseColumn>

<Columns>

<telerik:GridTemplateColumn DataField="SecurityMasterID" HeaderButtonType="TextButton" HeaderText="SecurityMasterID"

SortExpression="SecurityMasterID" UniqueName="SecurityMasterID" Visible="false">

<HeaderStyle HorizontalAlign="left" Width="0px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblSecurityMasterID" Text='<%# DataBinder.Eval(Container.DataItem, "SecurityMasterID")%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="ParentLotID" HeaderButtonType="TextButton" HeaderText="ParentLotID"

SortExpression="ParentLotID" UniqueName="ParentLotID" Visible="false">

<HeaderStyle HorizontalAlign="left" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblParentLotID" Text='<%# Convert.ToInt64(DataBinder.Eval(Container.DataItem, "ParentLotID"))%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="TradeNumber" HeaderButtonType="TextButton" HeaderText="Trade #"

SortExpression="TradeNumber" UniqueName="TradeNumber" >

<HeaderStyle HorizontalAlign="center" Width="30px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:LinkButton ID="hlTradeNumber" Font-Underline="true" ForeColor="Blue" ToolTip="Click here to view Cost Basis Detail screen"

runat="server"

Text='<%# ((DataBinder.Eval(Container.DataItem, "TradeNumber") == null) || (DataBinder.Eval(Container.DataItem, "TradeNumber") == "")) ? " " : DataBinder.Eval(Container.DataItem, "TradeNumber")%>'></

asp:LinkButton>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="TaxLotID" HeaderButtonType="TextButton" HeaderText="Lot ID"

SortExpression="TaxLotID" UniqueName="TaxLotID">

<HeaderStyle HorizontalAlign="center" Width="30px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:LinkButton ID="hlLotID" Font-Underline="true" ForeColor="Blue" ToolTip="Click here to view Cost Basis Detail screen"

runat="server" Text='<%#Convert.ToInt64(DataBinder.Eval(Container.DataItem, "TaxLotID")) %>'></asp:LinkButton>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="MatchedLotID" HeaderButtonType="TextButton" HeaderText="Matched Lot ID"

SortExpression="MatchedLotID" UniqueName="MatchedLotID">

<HeaderStyle HorizontalAlign="center" Width="44px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:LinkButton ID="hlMatchedLotID" Font-Underline="true" ForeColor="Blue" ToolTip="Click here to view Cost Basis Detail screen"

runat="server" Text='<%#Convert.ToInt64(DataBinder.Eval(Container.DataItem, "MatchedLotID")) %>'></asp:LinkButton>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridBoundColumn DataField="TradeDate" HeaderButtonType="TextButton" HeaderText="Trade Date"

SortExpression="TradeDate" UniqueName="TradeDate">

<HeaderStyle HorizontalAlign="center" Width="50px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridTemplateColumn DataField="TradeType" HeaderButtonType="TextButton" HeaderText="Trade Type"

SortExpression="TradeType" UniqueName="TradeType" >

<HeaderStyle HorizontalAlign="center" Width="54px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblTradeType" Text='<%# DataBinder.Eval(Container.DataItem, "TradeType")%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridBoundColumn DataField="Quantity" HeaderButtonType="TextButton" HeaderText="Qty"

SortExpression="Quantity" UniqueName="Quantity">

<HeaderStyle HorizontalAlign="center" Width="33px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Price" HeaderButtonType="TextButton" HeaderText="Price"

SortExpression="Price" UniqueName="Price">

<HeaderStyle HorizontalAlign="center" Width="33px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="MarketValue" HeaderButtonType="TextButton" HeaderText="Market Value"

SortExpression="MarketValue" UniqueName="MarketValueChld">

<HeaderStyle HorizontalAlign="center" Width="45px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridTemplateColumn DataField="CostBasis" HeaderButtonType="TextButton" HeaderText="Cost Basis"

SortExpression="" UniqueName="CostBasis">

<HeaderStyle HorizontalAlign="center" Width="36px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<telerik:RadNumericTextBox ID="txtCostBasis" Font-Size="xx-small" runat="server"

Width="95%" Value='<%# Convert.ToDecimal(DataBinder.Eval(Container.DataItem, "CostBasis"))%>'>

</telerik:RadNumericTextBox>

<asp:HiddenField ID="hdnCostBasisChldHdnChanged" runat="server" Value="0" />

<asp:HiddenField ID="hdnCostBasisChldHdn" runat="server" Value='<%# Convert.ToDecimal(DataBinder.Eval(Container.DataItem, "CostBasis"))%>' />

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridBoundColumn DataField="UnrealisedGainLoss" HeaderButtonType="TextButton"

HeaderText="Unrealized Gain/Loss" SortExpression="UnrealisedGainLoss" UniqueName="UnrealisedGainLoss">

<HeaderStyle HorizontalAlign="center" Width="51px"/>

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="RealisedGainLoss" HeaderButtonType="TextButton"

HeaderText="Realized Gain/Loss" SortExpression="RealisedGainLoss" UniqueName="RealisedGainLoss">

<HeaderStyle HorizontalAlign="center" Width="47px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="GainLossTerm" HeaderButtonType="TextButton" HeaderText="Term"

SortExpression="GainLossTerm" UniqueName="GainLossTerm">

<HeaderStyle HorizontalAlign="center" Width="25px"/>

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="ClosedDate" HeaderButtonType="TextButton" HeaderText="Closed Date"

SortExpression="ClosedDate" UniqueName="ClosedDate">

<HeaderStyle HorizontalAlign="center" Width="50px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Gifted/Inherited" HeaderButtonType="TextButton" HeaderText="Gifted"

SortExpression="Gifted" UniqueName="Gifted">

<HeaderStyle HorizontalAlign="center" Width="29px" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridTemplateColumn DataField="Action" HeaderButtonType="TextButton" HeaderText="Action"

SortExpression="Action" UniqueName="Action">

<HeaderStyle HorizontalAlign="center" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:LinkButton ID="hlAction" Font-Underline="true" ForeColor="Blue" ToolTip="Click here to view Update Lot screen"

runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "Action") %>'></asp:LinkButton>

</ItemTemplate>

</telerik:GridTemplateColumn>

</Columns>

</telerik:GridTableView>

</DetailTables>

<RowIndicatorColumn>

<HeaderStyle Width="5px"></HeaderStyle>

</RowIndicatorColumn>

<ExpandCollapseColumn Visible="True">

<HeaderStyle Width="5px"></HeaderStyle>

</ExpandCollapseColumn>

<Columns>

<telerik:GridBoundColumn DataField="SecurityMasterID" HeaderButtonType="TextButton"

Visible="false" HeaderText="SecurityMasterID" SortExpression="SecurityMasterID"

UniqueName="SecurityMasterID">

<HeaderStyle HorizontalAlign="left" Width="0%" />

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridTemplateColumn DataField="Symbol" HeaderButtonType="TextButton" HeaderText="Symbol"

SortExpression="Symbol" UniqueName="Symbol">

<HeaderStyle HorizontalAlign="center" Width="70px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblSymbol" Text='<%# DataBinder.Eval(Container.DataItem, "Symbol")%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="CUSIP" HeaderButtonType="TextButton" HeaderText="CUSIP"

SortExpression="CUSIP" UniqueName="CUSIP">

<HeaderStyle HorizontalAlign="center" Width="70px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblCUSIP" Text='<%# DataBinder.Eval(Container.DataItem, "CUSIP")%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="Description" HeaderButtonType="TextButton"

HeaderText="Description" SortExpression="Description" UniqueName="Description">

<HeaderStyle HorizontalAlign="center" Width="160px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblDescription" Text='<%# DataBinder.Eval(Container.DataItem, "Description")%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="SecurityType" HeaderButtonType="TextButton"

HeaderText="Sec.Type" SortExpression="SecurityType" UniqueName="SecurityType">

<HeaderStyle HorizontalAlign="center" Width="55px" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblSecurityType" Text='<%# DataBinder.Eval(Container.DataItem, "SecurityType")%>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridBoundColumn DataField="Quantity" HeaderButtonType="TextButton" HeaderText="Qty"

SortExpression="Quantity" UniqueName="Quantity">

<HeaderStyle HorizontalAlign="center" Width="60px"/>

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="MarketValue" HeaderButtonType="TextButton" HeaderText="Market Value"

SortExpression="MarketValue" UniqueName="MarketValueParent">

<HeaderStyle HorizontalAlign="center" Width="60px"/>

<ItemStyle HorizontalAlign="left" />

</telerik:GridBoundColumn>

<telerik:GridTemplateColumn DataField="UnRealisedGainLoss" HeaderButtonType="TextButton"

HeaderText="Unrealized Gain/Loss" SortExpression="UnRealisedGainLoss" UniqueName="UnRealisedGainLoss">

<HeaderStyle HorizontalAlign="center" Width="65px"/>

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblUnrealisedGainLoss" Text='<%# DataBinder.Eval(Container.DataItem, "UnRealisedGainLoss") %>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="RealisedGainLoss" HeaderButtonType="TextButton"

HeaderText="Realized Gain/Loss" SortExpression="RealisedGainLoss" UniqueName="RealisedGainLoss">

<HeaderStyle HorizontalAlign="center" Width="65px"/>

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:Label runat="server" ID="lblRealisedGainLoss" Text='<%# DataBinder.Eval(Container.DataItem, "RealisedGainLoss") %>'></asp:Label>

</ItemTemplate>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn DataField="Action" HeaderButtonType="TextButton" HeaderText=""

SortExpression="Action" UniqueName="Action">

<HeaderStyle HorizontalAlign="left" />

<ItemStyle HorizontalAlign="left" />

<ItemTemplate>

<asp:ImageButton ID="hlAddTaxLot" ToolTip="Click here to add Tax Lot" ImageUrl="~/Skins/Office2007/Grid/AddRecord.gif"

runat="server" />

</ItemTemplate>

</telerik:GridTemplateColumn>

</Columns>

</MasterTableView>

<ClientSettings AllowExpandCollapse="true">

<Scrolling AllowScroll="True" ScrollHeight="50px" UseStaticHeaders="true" />

<Selecting AllowRowSelect="false" />

</ClientSettings>

<FilterMenu NotSelectedImageUrl="~/Skins/GridSkin/Ice/NotSelectedMenu.gif" SelectedImageUrl="~/Skins/GridSkin/Ice/SelectedMenu.gif">

<CollapseAnimation Type="OutQuint" Duration="200"></CollapseAnimation>

</FilterMenu>

</telerik:RadGrid>

</td>

Thanks,
Nagendra

Grid

answered on 08 Dec 2010

5 answers

135 views

Try to get AsyncUpload worked with RadProgress

Hi, I've been trying to get AsyncUpload worked with RadProgress. All I got is "undefined" JavaScript error (see attached).

I've placed RadScriptManager in Master page, TemplateMain.master, and AsyncUpload, RadProgressManager, RadProgressArea in my "Default.aspx" which implements TemplateMain.master.

Any idea with this error?

Thanks

AsyncUpload

answered on 08 Dec 2010

4 answers

231 views

Databound PanelBar with ContentTemplates?

Hello,

I am trying to databind a RadPanelBar (2010 Q2 release) to achieve a specific behavior, and I am having trouble getting it to work.

If I have the panelbar in my aspx like so:

<telerik:RadPanelBar ID="rpbRel" runat="server" OnItemDataBound="rpbRel_ItemDataBound" >

<ItemTemplate>

<div class="DestinationWrapperBox">

<asp:TextBox runat="server" id="txtRel" />

</div>

</ItemTemplate>

</telerik:RadPanelBar>

And code-behind like so:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

Dim colTypes As System.Collections.ObjectModel.Collection(Of RelationshipType)

rpbRel.DataSource = colTypes

rpbRel.DataTextField = "Name"

rpbRel.DataValueField = "ID"

rpbRel.DataBind()

End Sub

Protected Sub rpbRelationships_ItemDataBound(ByVal sender As Object, ByVal e As Telerik.Web.UI.RadPanelBarEventArgs)

Dim oRelType As RelationshipType

Dim txtTemp As TextBox

oRelType = CType(e.Item.DataItem, RelationshipType)

txtTemp = CType(e.Item.FindControl("txtRel"), TextBox)

If Not IsNothing(txtTemp) Then

txtTemp.Text = oRelType.Name

End If

End Sub

Then what I get is a PanelBar that works correctly, but the items are not collapsible. I have read in various places that I should add RadPanelItem and add a ContentTemplate and put my template there.

If I move the aspx template code, like so:

<telerik:RadPanelBar ID="rpbRel" runat="server" OnItemDataBound="rpbRel_ItemDataBound" >

<Items>

<telerik:RadPanelItem runat="server">

<ContentTemplate>

<div class="DestinationWrapperBox">

<asp:TextBox runat="server" id="txtRel" />

</div>

</ContentTemplate>

</telerik:RadPanelItem>

</Items>

</telerik:RadPanelBar>

And leave my codebehind the same, then I get collapsed elements that won't expand.

I have traced into the databound procedure under this second scenario, and when it binds e.item is a RadPanelBarItem that has no child items or controls, so the e.item.findcontrol("txtRel") returns nothing.

I feel like I must be binding something wrong somewhere, but I am not sure how to accomplish what I want.

Ideally, I will get PanelBarItems that have their text set to "Name", and have a textbox "under" them, that can be shown or hidden by clicking on the panelbar. The first example gets me everything except the ability to collapse them.

Is it possible to do what I want?

Josh

PanelBar

answered on 08 Dec 2010

2 answers

108 views

The data area passed to a system call is too small.

I am using Telerik.Web.Design version 2010.1.630.20, and get the following error when opening the document manager of the telerik editor:

The data area passed to a system call is too small.

I have been in touch with my hosting provider, and they believe this is because the code needs 'full trust level' whereas the host only provides 'medium trust level'.

How can I fix this?

Thanks
Curt

Editor

answered on 08 Dec 2010

1 answer

63 views

Client side calculation on Group Header

Hello,

Please a take a look at the attached and let me know if it is possible
to do a client side update on a Group headers for "SubTotal ( : Sum of Weight Column) in the attached" when the Text
within the textbox is changed by a user. It is marked in red within the attachment.

Thanks!

Grid

answered on 08 Dec 2010

3 answers

94 views

drag and drop treeview items into a div container

Hi,

I am using a RadTreeView. I saw the example regarding the dragging and dropping of treeview items in RadGrid. I want to drag the items from RadTreeView and drop it into a div.

Please assist me on this.

Thanks
Rohan

TreeView

answered on 08 Dec 2010

5 answers

165 views

Telerik.Web.UI.dll issue with vs2008

Hi,

I am trying to use

Telerik.Web.UI.dll (with version 2007.2.1107.0) in my vs 2008 project, I made proper settings inside my web.config, and registered with in my aspx page,

I am using RadTreeView', RadGrid' controls inside my aspx page

Registering the Telerik.Web.UI on top of my aspx page like below

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>

and my aspx page will have rad controls like

1) <telerik:RadGrid runat="server" ID="RadGrid1" AutoGenerateColumns="False" GridLines="None"

Skin="Windows7" OnItemDataBound="RadGrid1_ItemDataBound" OnDeleteCommand="onDelete1"

Height="100%" Width="80%">

<telerik:RadTreeView ID="RadTreeView1" runat="server" EnableDragAndDrop="True" OnNodeDrop="RadTreeView1_HandleDrop"

OnClientNodeDropping="onNodeDropping" OnClientNodeDragging="onNodeDragging" MultipleSelect="True"

EnableDragAndDropBetweenNodes="True" EnableEmbeddedSkins="true" EnableTheming ="true">

but when i try to build the my asp.net website I am getting the below errors
1) Unknown server tag 'telerik:RadTreeView'
2)Unknown server tag 'telerik:RadGrid'

Can any one please help me out how to resolve the issue. both my aspx and code behind pages are not recognising the the teleric controls

General Discussions

answered on 08 Dec 2010

12 answers

201 views

Postback Issue

I have loaded user control in content page. I want it loads some data only if it's not postback because later i need to update this data.
Obviously it is always postback so i can't update the data properly. I tried with checking CallBack but it's always true.
Please suggest what to do. Thanks

Ajax

answered on 08 Dec 2010

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