Feb 15, 2012, 11:47 AM
[CLOSED] HttpException was unhandled by user code: The control with ID 'UC_1752412531_bntOk' not found
Hi!
I load my usercontrols in my aspx page with ext:UserControlLoader.
My usercontrol contains buttons Ok and Cancel with directevents.
When i click in button ok, for exempla, i get an error.
HttpException was unhandled by user code: The control with ID 'UC_1752412531_bntOk' not found
seems to me that all controls that have some procedure in codebehind get this error.
Follow below the example to reproduce this problem.
Thanks for any help.
Test4.aspx
I load my usercontrols in my aspx page with ext:UserControlLoader.
My usercontrol contains buttons Ok and Cancel with directevents.
When i click in button ok, for exempla, i get an error.
HttpException was unhandled by user code: The control with ID 'UC_1752412531_bntOk' not found
seems to me that all controls that have some procedure in codebehind get this error.
Follow below the example to reproduce this problem.
Thanks for any help.
Test4.aspx
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="test4.aspx.vb" Inherits="SuperaWeb.test4" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Public Shared myRnd As New System.Random
Protected Sub LoadUserControl(sender As Object, e As DirectEventArgs)
Dim ucl As UserControlLoader = New UserControlLoader()
ucl.Path = cmbUC.SelectedItem.Text
ucl.UserControlID = "UC_" & CStr(myRnd.Next(Integer.MaxValue))
Me.Form.Controls.Add(ucl)
ucl.Render()
DirectCast(ucl.UserControls(0), SuperaWeb.uc4).Start()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<ext:ResourceManager ID="ResourceManager1" runat="server" />
<form id="form1" runat="server">
<div>
<ext:ComboBox runat="server" ID="cmbUC">
<Items>
<ext:ListItem Text="UC4.ascx" Value="UC4.ascx" />
</Items>
<SelectedItems>
<ext:ListItem Text="UC4.ascx" Value="UC4.ascx" />
</SelectedItems>
</ext:ComboBox>
<ext:Button ID="Button1" runat="server" Text="Load UserControl" OnDirectClick="LoadUserControl" />
</div>
</form>
</body>
</html>
UC4.ascx<%@ Control Language="vb" AutoEventWireup="false" CodeBehind="uc4.ascx.vb" Inherits="SuperaWeb.uc4" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
Protected Sub Cancel_Click(sender As Object, e As DirectEventArgs)
Dim mb As Ext.Net.MessageBox = New Ext.Net.MessageBox
mb.Alert("cancel click", "cancel click")
mb.Show()
End Sub
Protected Sub Ok_Click(sender As Object, e As DirectEventArgs)
Dim mb As Ext.Net.MessageBox = New Ext.Net.MessageBox
mb.Alert("ok click", "ok click")
mb.Show()
End Sub
Protected Sub SearchCep(sender As Object, e As DirectEventArgs)
Dim mb As Ext.Net.MessageBox = New Ext.Net.MessageBox
mb.Alert("trigger clicked", "trigger clicked")
mb.Show()
End Sub
</script>
<ext:Window
ID="wndEmpresasSGE"
runat="server"
Icon="UserAdd"
Title="Cadastro de Empresas"
Width="680"
Height="530"
AutoShow="false"
Modal="true"
Resizable="false"
Hidden="true"
ButtonAlign="Right"
Layout="FitLayout"
DefaultButton="button[text=Ok]">
<Items>
<ext:Panel ID="pane3" runat="server" BodyStyle="background-color: #f9f9f9" BodyPadding="6" Layout="FitLayout" Border="true" Flex="1">
<TopBar>
<ext:Toolbar ID="tb3" runat="server">
<Items>
<ext:Button ID="btnAdd" runat="server" Icon="ApplicationAdd" Text="Add"
ToolTip="Adicionar registro" Disabled="true" />
<ext:Button ID="btnEdit" runat="server" Icon="ApplicationEdit" Text="Edit"
ToolTip="Editar registro selecionado" Disabled="true" />
<ext:Button ID="btnDelete" runat="server" Icon="ApplicationDelete"
Text="Excluir" ToolTip="Deletar registro(s) selecionados" Disabled="true" />
<ext:Button ID="btnFind" runat="server" Icon="Find" Text="Find"
ToolTip="Localizar registro" Disabled="true" />
<ext:ToolbarSeparator ID="ctl133" runat="server" />
<ext:Button ID="btnPrint" runat="server" Icon="Printer" Text="Print"
ToolTip="Imprimir registros" Disabled="true" />
<ext:Button ID="btnPrintPreview" runat="server" Icon="PrinterGo"
Text="Preview" ToolTip="Visualizar impressão registros" Disabled="true" />
<ext:ToolbarSeparator ID="ToolbarSeparator1" runat="server" />
<ext:SplitButton ID="btnExport" runat="server" Icon="PageExcel" Text="Export"
ToolTip="Export records to..." Disabled="true">
<menu>
<ext:Menu runat="server" ID="ctl394">
<Items>
<ext:MenuItem ID="mnuExportToExcel" runat="server" icon="PageExcel"
Text="Excel" />
<ext:MenuItem ID="mnuExportToPdf" runat="server" icon="PageWhiteAcrobat"
Text="PDF" />
<ext:MenuItem ID="mnuExportToXml" runat="server" icon="PageCode" Text="Xml" />
<ext:MenuItem ID="mnuExportToText" runat="server" icon="PageWhite"
Text="Text" />
<ext:MenuItem ID="mnuExportToHtml" runat="server" icon="Html" Text="Html" />
</Items>
</ext:Menu>
</menu>
</ext:SplitButton>
<ext:ToolbarFill ID="ctl402" />
<ext:ComboBox ID="cmbQueries" runat="server" FieldLabel="Consultas"
LabelWidth="60" Disabled="true">
</ext:ComboBox>
</Items>
</ext:Toolbar>
</TopBar>
<Items>
<ext:TextField runat="server" ID="txtName" FieldLabel="Nome" Width="300" />
<ext:TriggerField runat="server" ID="txtCep" FieldLabel="Cep" Width="300">
<Triggers>
<ext:FieldTrigger Icon="Search"/>
</Triggers>
<DirectEvents>
<TriggerClick OnEvent="SearchCep" />
</DirectEvents>
</ext:TriggerField>
</Items>
</ext:Panel>
</Items>
<Buttons>
<ext:Button runat="server" ID="btnOk" Text="Ok" OnDirectClick="Ok_Click" />
<ext:Button runat="server" ID="btnCancel" Text="Cancel" OnDirectClick="Cancel_Click" />
</Buttons>
</ext:Window>
UC4.ascx Code BehindPublic Class uc4
Inherits System.Web.UI.UserControl
Public Sub Start()
wndEmpresasSGE.Show()
End Sub
End Class
Last edited by Daniil; Feb 16, 2012 at 6:03 PM.
Reason: [CLOSED]