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Error with three RadGrid

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Grid

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

Felipe Alberto asked on 03 Jun 2011, 09:32 PM

Hello, to get three grids generates the following error (if left alone a no errors):

Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: Object reference not set to an instance of an object.

CodeBlock:

<telerik:RadScriptManager ID="ScriptManager1" runat="server">
</telerik:RadScriptManager>
<telerik:RadAjaxLoadingPanel ID="LoadingPanel1" runat="server" Skin="Office2007">
</telerik:RadAjaxLoadingPanel>
<telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="LoadingPanel1" EnableAJAX="true">
<div class="mainDiv">
<div class="rotatorBackground" style="background: url(../../Images/main_back.png) no-repeat; width: 880px; height: 539px; padding: 29px 5px 0 0px;">
<telerik:RadTabStrip ID="RadTabStrip1" runat="server" MultiPageID="RadMultiPage1" SelectedIndex="0" style="margin-left: 9px;">
<Tabs>
<telerik:RadTab Text="CRC Recibido">
</telerik:RadTab>
<telerik:RadTab Text="CRC Interno">
</telerik:RadTab>
<telerik:RadTab Text="CRC Enviado">
</telerik:RadTab>
<telerik:RadTab Text="CRC OMS">
</telerik:RadTab>
<telerik:RadTab Text="ARCHIVO">
</telerik:RadTab>
<telerik:RadTab Text="IMAGENES">
</telerik:RadTab>
</Tabs>
</telerik:RadTabStrip>
<telerik:RadMultiPage ID="RadMultiPage1" runat="server" SelectedIndex="0" >
<telerik:RadPageView ID="RadPageView1" runat="server">
<telerik:RadGrid ID="GrillaCRCRecibido" runat="server" Width="860" Height="475" PageSize="50" AllowSorting="true" AllowMultiRowSelection="true"
AllowPaging="true" ShowGroupPanel="true" GridLines="None" GroupingEnabled="true" Style="border: 0; outline:none;" Skin="Office2007"
OnNeedDataSource="GrillaCRCRecibido_NeedDataSource">
<PagerStyle Visible="false" />
<MasterTableView AllowFilteringByColumn="true" AllowMultiColumnSorting="True">
<Columns>
<telerik:GridClientSelectColumn UniqueName="Select">
<HeaderStyle Width="30px" />
</telerik:GridClientSelectColumn>
</Columns>
</MasterTableView>
<ClientSettings AllowColumnsReorder="True" AllowAutoScrollOnDragDrop="true" AllowDragToGroup="True" ReorderColumnsOnClient="True">
<ClientEvents OnScroll="CRCRecibido_Scroll" />
<Scrolling AllowScroll="True" UseStaticHeaders="True" ScrollHeight="275px"/>
<Selecting AllowRowSelect="True" />
<Resizing AllowColumnResize="true" AllowResizeToFit="true" />
<ClientMessages DragToGroupOrReorder="Arrastre al Grupo" DragToResize="Redimensionar" />
</ClientSettings>
<GroupingSettings ShowUnGroupButton="true" />
<HeaderStyle Width="200px" />
</telerik:RadGrid>
</telerik:RadPageView>
<telerik:RadPageView ID="RadPageView2" runat="server">
<telerik:RadGrid ID="GrillaCRCInterno" runat="server" Width="860" Height="475" PageSize="50" AllowSorting="true" AllowMultiRowSelection="true"
AllowPaging="true" ShowGroupPanel="true" GridLines="None" GroupingEnabled="true" Style="border: 0; outline:none;" Skin="Office2007"
OnNeedDataSource="GrillaCRCInterno_NeedDataSource">
<PagerStyle Visible="false" />
<MasterTableView AllowFilteringByColumn="true" AllowMultiColumnSorting="True" >
<Columns>
<telerik:GridClientSelectColumn UniqueName="Select">
<HeaderStyle Width="30px" />
</telerik:GridClientSelectColumn>
</Columns>
</MasterTableView>
<ClientSettings AllowColumnsReorder="True" AllowAutoScrollOnDragDrop="true" AllowDragToGroup="True" ReorderColumnsOnClient="True">
<ClientEvents OnScroll="CRCInterno_Scroll" />
<Scrolling AllowScroll="True" UseStaticHeaders="True" ScrollHeight="275px"/>
<Selecting AllowRowSelect="True" />
<Resizing AllowColumnResize="true" AllowResizeToFit="true" />
<ClientMessages DragToGroupOrReorder="Arrastre al Grupo" DragToResize="Redimensionar" />
</ClientSettings>
<GroupingSettings ShowUnGroupButton="true" />
<HeaderStyle Width="200px" />
</telerik:RadGrid>
</telerik:RadPageView>
<telerik:RadPageView ID="RadPageView3" runat="server">
<telerik:RadGrid ID="GrillaCRCEnviado" runat="server" Width="860" Height="475" PageSize="50" AllowSorting="true" AllowMultiRowSelection="true"
AllowPaging="true" ShowGroupPanel="true" GridLines="None" GroupingEnabled="true" Style="border: 0; outline:none;" Skin="Office2007"
OnNeedDataSource="GrillaCRCEnviado_NeedDataSource">
<PagerStyle Visible="false" />
<MasterTableView AllowFilteringByColumn="true" AllowMultiColumnSorting="True">
<Columns>
<telerik:GridClientSelectColumn UniqueName="Select">
<HeaderStyle Width="30px" />
</telerik:GridClientSelectColumn>
</Columns>
</MasterTableView>
<ClientSettings AllowColumnsReorder="True" AllowAutoScrollOnDragDrop="true" AllowDragToGroup="True" ReorderColumnsOnClient="True">
<ClientEvents OnScroll="CRCEnviado_Scroll" />
<Scrolling AllowScroll="True" UseStaticHeaders="True" ScrollHeight="275px"/>
<Selecting AllowRowSelect="True" />
<Resizing AllowColumnResize="true" AllowResizeToFit="true" />
<ClientMessages DragToGroupOrReorder="Arrastre al Grupo" DragToResize="Redimensionar" />
</ClientSettings>
<GroupingSettings ShowUnGroupButton="true" />
<HeaderStyle Width="200px" />
</telerik:RadGrid>
</telerik:RadPageView>
<telerik:RadPageView ID="RadPageView4" runat="server">

</telerik:RadPageView>
<telerik:RadPageView ID="RadPageView5" runat="server">

</telerik:RadPageView>
<telerik:RadPageView ID="RadPageView6" runat="server">

</telerik:RadPageView>
</telerik:RadMultiPage>
</div>
<br />
<br />
</div>
</telerik:RadAjaxPanel>
</center></form>
 </td>

Error with three RadGrid

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