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Unable to access controls in code behind when i use in RadPanel Bar

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PanelBar

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

Sankar asked on 22 Mar 2011, 10:20 PM

Error-Snapshot.JPG

<asp:UpdatePanel runat="server" ID="upZipCodes" UpdateMode="Conditional">

<ContentTemplate>

<br />

<telerik:RadAjaxPanel ID="GeoTarget" runat="server">

<telerik:RadPanelBar runat="server" ID="trpbGeoTarget" ExpandMode="SingleExpandedItem">

<Items>

<telerik:RadPanelItem Expanded="True" Text="Discreate ZipCodes List" runat="server"

Selected="true">

<Items>

<telerik:RadPanelItem Value="DiscreateZipCodes" runat="server" Expanded="true">

<ItemTemplate>

<div class="text" style="background-color: #edf9fe">

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

<table border="1" style="width: 790px; height: 476px;">

<tr>

<td class="style17">

<asp:Label ID="Label4" runat="server" SkinID="InputRegular">Discrete List:</asp:Label>

</td>

</tr>

<tr>

<td class="style26">

<asp:Button ID="btnAddAll" runat="server" OnClick="btnAddAll_Click" Style="z-index: 1;

left: 83px; top: 2px; position: relative; width: 105px; height: 26px;" Text=" Add ZipCodes "

ToolTip="Click here to Add zipcode in List" />

<asp:Button ID="btnClearList" runat="server"

OnClick="btnClearList_Click" Style="z-index: 1; top: 3px; position: relative;

width: 74px; left: 175px" Text="Clear List" ToolTip="It Removes all ZipCode from List" />

</td>

</tr>

<tr>

<td align="left">

<asp:TextBox ID="txtZipCode" runat="server" Height="47px" SkinID="Long" TextMode="MultiLine"

ToolTip="Enter ZipCodes" Width="454px"></asp:TextBox>

<uc2:Helper ID="Helper3" runat="server" ResourceKey="ZipCode" />

<ajaxToolkit:FilteredTextBoxExtender ID="Validatior" runat="server" FilterType="Custom, Numbers"

TargetControlID="txtZipCode" ValidChars="," />

<asp:RequiredFieldValidator ID="rfvZip" runat="server" ControlToValidate="txtZipCode"

Display="Dynamic" ErrorMessage="* Enter Comma Sepertaed ZipCodes" SetFocusOnError="true"

SkinID="ClientMessaging"></asp:RequiredFieldValidator>

</td>

</tr>

<tr>

<td align="left">

<asp:Panel ID="pnlGeoTargetProfile" runat="server" ScrollBars="Both">

<asp:GridView ID="grdZipDiscreateList" runat="server" AutoGenerateColumns="False"

DataKeyNames="ZipCode" EnableModelValidation="True" RowStyle-Height="1px" ShowFooter="True"

SkinID="view" Width="779px" AllowPaging="True" overflow="auto" ScrollBars="Both">

<Columns>

<asp:BoundField DataField="ZIPCode" HeaderText="ZipCode" ReadOnly="true" />

<asp:BoundField DataField="City" HeaderText=" City Name" ReadOnly="true" />

<asp:BoundField DataField="State" HeaderText="State" ReadOnly="true" />

<asp:TemplateField HeaderText="Action" ItemStyle-HorizontalAlign="Center">

<ItemTemplate>

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

<asp:LinkButton ID="lnkRemove" runat="server" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "ZIPCode") + "," + DataBinder.Eval(Container, "RowIndex") %>'

OnClientClick="return confirm('Are you remove want to remove this ZipCode from the Discrete list ? Do you wish to continue.');"

Text="Remove"><img alt="" src="../Images/Icons/remove.png" border="0" title="remove"></asp:LinkButton>

</asp:Panel>

</ItemTemplate>

<ItemStyle HorizontalAlign="Center" />

</asp:TemplateField>

</Columns>

<RowStyle Height=".5px" />

</asp:GridView>

</asp:Panel>

</td>

</tr>

<tr>

<td>

<asp:Button ID="btnSave" runat="server" SkinID="btnSave" Text=" Updates ZipCodes "

ToolTip="Click here to Update zipcodes in List" ValidationGroup="ClientDegree"

Width="157px" />

<asp:Button ID="btnCleargrid" runat="server" OnClick="btnCleargrid_Click" Style="z-index: 1;

left: 140px; top: 0px; position: relative; width: 133px; height: 26px" Text="Delete All ZipCodes"

ToolTip="It Removes all ZipCode from List" />

<asp:Button ID="btnClose" runat="server" OnClick="btnClose_Click" Style="z-index: 1;

left: 186px; top: 0px; position: relative; width: 52px; height: 26px" Text="Close" />

</td>

</tr>

</table>

</asp:Panel>

</div>

<ul class="formList" id="accountInfo">

</ItemTemplate>

</telerik:RadPanelItem>

</Items>

</telerik:RadPanelItem>

<telerik:RadPanelItem Expanded="True" Text="States List" runat="server" Selected="true">

<Items>

<telerik:RadPanelItem Value="States List" runat="server">

<ItemTemplate>

<div class="text" style="background-color: #edf9fe">

</div>

<ul class="formList" id="accountInfo">

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

<table border="1">

<tr>

<td class="style15">

<uc1:campus ID="campus" runat="server" />

</td>

</tr>

</table>

</asp:Panel>

</ItemTemplate>

</telerik:RadPanelItem>

</Items>

</telerik:RadPanelItem>

<telerik:RadPanelItem Expanded="True" Text="ZipCodes Within Radius" runat="server"

Selected="true">

<Items>

<telerik:RadPanelItem Value="ZipCodes in Radius" runat="server">

<ItemTemplate>

<ul class="formList" id="accountInfo">

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

<table border="1">

<tr>

<td class="style25">

<asp:Label ID="lblZipCodes" runat="server" Text="ZipCodes within: "></asp:Label>

<asp:TextBox ID="txtMiles" runat="server" Width="32px"></asp:TextBox><asp:RequiredFieldValidator

ControlToValidate="txtMiles" ID="RequiredFieldValidator3" runat="server" Display="Dynamic"

ErrorMessage="* Enter Miles" SetFocusOnError="true" SkinID="ClientMessaging"

ValidationGroup="ClientDegree"></asp:RequiredFieldValidator>

<asp:Label ID="lblMilesOfRadious" runat="server" Text="Miles Of Radius: "></asp:Label>

<asp:TextBox ID="txtZipInMiles" runat="server" Width="90px"></asp:TextBox>

<uc2:Helper ID="Helper4" runat="server" ResourceKey="ZipCode" />

<asp:RequiredFieldValidator ControlToValidate="txtZipInMiles" ID="RequiredFieldValidator4"

runat="server" Display="Dynamic" ErrorMessage="* Enter Numric ZipCodes" SetFocusOnError="true"

SkinID="ClientMessaging" ValidationGroup="ClientDegree"></asp:RequiredFieldValidator>

<ajaxToolkit:FilteredTextBoxExtender ID="FilteredTextBoxExtender1" runat="server"

FilterType="Custom, Numbers" TargetControlID="txtZipInMiles" ValidChars="," />

</td>

</tr>

</table>

</asp:Panel>

</ItemTemplate>

</telerik:RadPanelItem>

</Items>

</telerik:RadPanelItem>

</Items>

<CollapseAnimation Duration="100" Type="None" />

<ExpandAnimation Duration="100" Type="None" />

</telerik:RadPanelBar>

</telerik:RadAjaxPanel>

<%-- <Items>

<telerik:RadPanelItem Text="Discrete List Of ZipCodes" Expanded="True">

<Items>

<telerik:RadPanelItem Text="Personal Folders" />

</Items>--%>

<br />

</ContentTemplate>

</asp:UpdatePanel>

I am unable to access my controls in my code behind and when i am trying to access my Controls i am getting an error of "Controls are not existing in current context".
I have attached my error file. I have very basic understanding of rad panal Bar. So can you please explin me in detail what the ploblem is.?
Thanks in advance.

2 Answers, 1 is accepted

Accepted