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How to avoid RadAjaxLoadingPanel

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Ajax

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answered on 21 Mar 2011, 01:06 PM

RadAjaxGridTimer405347.zip

Hello Giuseppe,

I tried to replicate the issue which you described, but to no avail.
Attached to this message, you will find the code which I used for testing.

Please, take a look at it and let me know if there are any differences at your end, which I may be leaving out.

Regards,
Mira
the Telerik team

Vote for the 7 Telerik products at the 2011 Great Indian Developer Awards!

answered on 21 Mar 2011, 08:33 PM

Now without touching anything I am getting this on any radcontrol
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Error creating template groups. Reason: System.InvalidCastException: Impossibile eseguire il cast di [A]Telerik.Web.UI.RadGrid a [B]Telerik.Web.UI.RadGrid. Il tipo A ha origine da 'Telerik.Web.UI, Version=2011.1.315.40, Culture=neutral, PublicKeyToken=121fae78165ba3d4' nel contesto 'LoadNeither' nella posizione 'C:\Users\LAP3\AppData\Local\Microsoft\VisualStudio\10.0\ProjectAssemblies\v0x8yve501\Telerik.Web.UI.dll'. Il tipo B ha origine da 'Telerik.Web.UI, Version=2011.1.315.40, Culture=neutral, PublicKeyToken=121fae78165ba3d4' nel contesto 'LoadNeither' nella posizione 'C:\Users\LAP3\AppData\Local\Microsoft\VisualStudio\10.0\ProjectAssemblies\mwkevpwv01\telerik.web.ui.dll'.

in Telerik.Web.Design.RadGridDesigner.get_TemplateGroups()
---------------------------
OK
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Here is the code:

<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="chat.aspx.vb" Inherits="ChatApp.chat" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title></title>

</head>

<body>

<form id="form1" runat="server">

<div>

<telerik:RadScriptManager ID="RadScriptManager1" runat="server">

<Scripts>

<%--Needed for JavaScript IntelliSense in VS2010--%>

<%--For VS2008 replace RadScriptManager with ScriptManager--%>

<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />

<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />

<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />

</Scripts>

</telerik:RadScriptManager>

<telerik:RadFormDecorator ID="RadFormDecorator1" Runat="server"

DecoratedControls="All" Skin="Sitefinity" />

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">

<AjaxSettings>

<telerik:AjaxSetting AjaxControlID="Timer1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="Panel1" />

</UpdatedControls>

</telerik:AjaxSetting>

</AjaxSettings>

</telerik:RadAjaxManager>

<br />

<telerik:RadToolTipManager ID="RadToolTipManager1" runat="server">

</telerik:RadToolTipManager>

<telerik:RadToolTip ID="RadToolTip1" runat="server">

</telerik:RadToolTip>

<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server"

Skin="Default" Height="16px" Width="16px">

</telerik:RadAjaxLoadingPanel>

<asp:Panel ID="Panel1" runat="server">

<telerik:RadGrid ID="RadGrid1" runat="server" AllowPaging="True"

AutoGenerateColumns="False" CellSpacing="0" DataSourceID="SqlDataSource1"

GridLines="None" ShowHeader="False" Width="300px" Culture="(Default)">

<MasterTableView DataKeyNames="id" DataSourceID="SqlDataSource1">

<CommandItemSettings ExportToPdfText="Export to PDF" />

<RowIndicatorColumn FilterControlAltText="Filter RowIndicator column">

<HeaderStyle Width="20px" />

</RowIndicatorColumn>

<ExpandCollapseColumn FilterControlAltText="Filter ExpandColumn column">

<HeaderStyle Width="20px" />

</ExpandCollapseColumn>

<Columns>

<telerik:GridBoundColumn DataField="id" DataType="System.Int32"

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

SortExpression="id" UniqueName="id">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="From_User" DataType="System.Int32"

FilterControlAltText="Filter From_User column" HeaderText="From_User"

SortExpression="From_User" UniqueName="From_User">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="To_User" DataType="System.Int32"

FilterControlAltText="Filter To_User column" HeaderText="To_User"

SortExpression="To_User" UniqueName="To_User">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Message_Original"

FilterControlAltText="Filter Message_Original column"

HeaderText="Message_Original" SortExpression="Message_Original"

UniqueName="Message_Original">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Message_Translated"

FilterControlAltText="Filter Message_Translated column"

HeaderText="Message_Translated" SortExpression="Message_Translated"

UniqueName="Message_Translated">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Translated_To"

FilterControlAltText="Filter Translated_To column" HeaderText="Translated_To"

SortExpression="Translated_To" UniqueName="Translated_To">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Date_Time" DataType="System.DateTime"

FilterControlAltText="Filter Date_Time column" HeaderText="Date_Time"

SortExpression="Date_Time" UniqueName="Date_Time">

</telerik:GridBoundColumn>

<telerik:GridCheckBoxColumn DataField="ShownOnRecipent"

DataType="System.Boolean" FilterControlAltText="Filter ShownOnRecipent column"

HeaderText="ShownOnRecipent" SortExpression="ShownOnRecipent"

UniqueName="ShownOnRecipent">

</telerik:GridCheckBoxColumn>

</Columns>

<EditFormSettings>

<EditColumn FilterControlAltText="Filter EditCommandColumn column">

</EditColumn>

</EditFormSettings>

</MasterTableView>

<PagerStyle Mode="Slider" />

<FilterMenu EnableImageSprites="False">

</FilterMenu>

<HeaderContextMenu CssClass="GridContextMenu GridContextMenu_Default">

</HeaderContextMenu>

</telerik:RadGrid>

<asp:Timer id="Timer1" runat="server" Interval="5000"></asp:Timer>

</asp:Panel>

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DBConnection %>"

SelectCommand="SELECT * FROM [chat] ORDER BY [id] DESC">

</asp:SqlDataSource>

</div>

</form>

</body>

</html>