Web Forms :: Dymamic Built Table Control And Events Not Firing?

Jun 15, 2010

I have a table control that I am building dynamically and inside one cell I am placing a LinkButton inside it and wiring up an event. Although the event for the LInkButton never fires.


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I have a user control which I load dynamically using LoadControl. In this UserControl I have a button with assigned OnClick event, but when I click that button, the event is not fired. I'm populating the user control in UpdatePanel's Load event (I invoke __dopostback from JS).


Here I load user control in the page


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C# - TextBox TextChanged Events And CheckBoc CheckedChanged Events Not Firing Within A Gridview?

Jan 8, 2010

So I've got a databound grid view within a UpdatePanel.

the user can change the data within the gridview then click a save button to update the data within the database.

However in order to know which rows have been changed I have a textChanged event associated with each textbox, but the event isn't being fired.

Here's the ASP code:


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Aug 27, 2010

I have created dynamic control with both server and client side events.. if i set client side event server side event is not firing.. I have created the link button which will validate and do some necessary actions.. Validation is working but click event of link button is not firing .. if we remove the client side event , server side event is firing.. how to avoid this.. I want both events..

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I have a custom control, that has takes some information from user and submit to the database. it is working fine in normal aspx pages. but when i display that custom user control in jQuery modal popup. The events does not fire or lets say the data is not submitted to the database.

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Web Forms :: WebControls And Events Not Firing?

Nov 23, 2010

I will go into the background of why i am wanting to do this if necessary but in short. I want to create a WebControl which has a button on it. I provide the most simple of examples to understand why it is not working.

No matter what i try my button event doesnt seem to fire. the code for it is here:


This page:


What am i doing wrong? why wont events fire?

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Web Forms :: Button Events Are Not Firing?

Feb 19, 2010

I'm facing a weird issue...My button events are not firing :(I'm using the 3.5 .net framework and I've already tried to run aspnet_regiis -c, clear the browser temp files, use windows integrated authentication, but nothing works...this is the cenario:

- windows server 2003
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Web Forms :: Stop Search Engines Firing Events?

Jan 7, 2011

How can I stop Search engines firing events.....

I have a button that adds a product to my shopping basket. it has a postbackurl="../shoppingbasket.aspx?productID=1" when the page is loaded I get the querystring (ProductID) and add it to my database. Well I have been watching the database and I can see that in 1 day the whole of my product range has been added to the shopping basket, not only that but every time it fires the event it creates a NEW basket thus messing up my shopping basket ID's.

So my question is, I want the search engines to index my product pages, BUT I do not want then to add to my basket ( i.e. firing the postbackurl ) I have tried may things like rel="nofollow" adding the URL to my robot.txt. I don't really want to use recaptha as I have do before and have many complaits about it.

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Web Forms :: Firing Close And Minimize Events Of Web Parts?

Oct 29, 2010

I am in a deep deep trouble because I am trying to use web parts in my project,I have implemnented custom provider for personalization(coz, I am using MYSql as a database).I am using three web part zones and each zone hve more than three controls and whenever I try to drag and drop the parts from one zone to other zone, for the first time the droped element successfuly runs but after then if we again try to drop another element from other zone to this then the already dropped element goes to its original place from where it is dropped,The 2nd problem is that close and minimize verbs are not firing well, e.g if there,My provider personlaization class is as,


and the markup is as,

<form id="form1" runat="server">
<cc3:Script ID="Script1" runat="server" />
<asp:ScriptManager ID="ScriptManager1" runat="server">


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Web Forms :: Dynamically Created Checkboxes Not Firing Events Correctly

Apr 27, 2010

I've dynamically created 3 checkboxes as you can see in the code below. I also wrote an event handler below. When I run the code, the 3 checkboxes show up, but the event handling does not work right. Whenever there is postback from any of the 3 checkboxes, Label1 reflects the state of checkbox #3, no matter if I toggle checkbox #1 or #2. I put the code I have under Page_Init into Page_Load instead, but makes no difference either way.

The bottom line is, I want the event handler to know exactly which of the 3 checkboxes is firing the event so that Label1 can reflect that.


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Oct 4, 2010

I have a nested listview (orders with products)I want to add functions to update products and option to add new products update func works fine. wheni try to insert new record, itemcommand and iteminserting events are not firing. Im registering dynamic script using the below code

string clientIDs = "'" + IlblProductID.ClientID + "," + ItxtProductID.ClientID + "," + ItxtCategory.ClientID + "," + ItxtType.ClientID + ","
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Forms Data Controls :: Dynamic CheckBox Inside GridView Not Firing Events

Nov 8, 2010

I've been reading up on the problems with dynamically created controls and how they have been solved. The posts I have come across are creating the controls in a panel or some other open place. I can't seem to get my checkbox to fire the event from inside a gridview. below is the code behind from inside the GridView PreRender event.


..And the Checked Event..

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Web Forms :: Can't Find Textbox Using FindControl In A Dynamically Built Table

Feb 27, 2010

I have an asp:table control that I construct dynamically. I place a few textboxes in it within a for loop and assign their IDs in code. I'll include an abbreviated code fragment showing how I'm doing this:


The page then displays correctly and the ID is set correctly when I view the source, but when I try to access the textbox later when the form is submitted the call to FindControl(idStr) returns null no matter what I do.

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Web Forms :: Adding Required Field Validator To Dynamically Built Table?

Mar 7, 2011

I have the following code, i add code for required validator, but when you make selection from dropdown to create the table, the page generates an error. Should the logic be somewhere else to add it to the table? i mean, dont they have to be there so when you submit the form, it fires the validation?


Here is the error that comes up, when i make a selection from my dropdown that creates the table.

Line: 938

Error: Sys.WebForms.PageRequestManagerServerErrorException: Control 'rfvtxtCam1' referenced by the ControlToValidate property of 'rfvtxtCam1' cannot be validated.

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Events Not Firing For DataList And GridVeiw

Feb 3, 2010

through the Sitepoint book "Build Your Own ASP.NET 3.5 Web Site". In chapters 10 and 11 the book covers the DataList and GridView.My project will load data correctly into the list and grid; however, the events are not firing, for example the SelectedIndexChanged event. As far as I can tell no list/grid events are being fired in the code-behind file (the page load event and data binding does occur).There are some similar posts in these forums and on the internet concerning this.

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C# - Nested GridView Not Firing Row Events?

Aug 4, 2010

I have a nested GridView that is placed inside a ListView. The GridView renders perfectly fine with all the entities that are bound inside its datasource.

Each record in my gridview has two buttons - 'delete' and 'edit'. The issue that I am having is that the methods wired to each of these buttons never get fired.

I think the reason for this behaviour is because my ListView's data binding happens only on the first page load, and not on every subsequent postback. As a result, when a postback happens, the events of the nested gridview are never wired up again - hence my methods are not getting fired.

Here is what my code [simplified] looks like:


I tried modifying the above code and removing the "!IsPostBack" clause, and the events actually got fired when a button inside the GridView was clicked. However, I do not feel comfortable doing a databind on every postback and think there should be a better solution than that.

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Mar 15, 2011

I am using c# and asp.net with master page for a web application. I am using javascript for some click events to be invoked.

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.Net 4 WebApp Events Not Firing On Default?

May 25, 2010

I have this strange problem where if I setup IIS to point at a .net 4 webapp none of my events fireSo lets say the site in IIS is "http://www.mysite.com"...any button I click doesnt ever hit a breakpointNow if I add /default.aspx to the end...all the events fire againDefault.aspx is the top default document in IIS

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Events Only Firing On Specific Machines But Not On Others?

Nov 10, 2010

I have been trying to solve this problem for several weeks now and it is getting really frustrating. Basically i have a simple project which includes one master page and one content page. the following code is what is found in the content page

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">


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C# - Default.aspx Not Firing Events?

Aug 27, 2010

We have recently put up a new server with IIS7, where we now have published a .NET4 site.

Locally everything works fine, but on this server the Default.aspx is not working. No events are firing at all for this page. Every other page works as should.

We've tried deleting the Default.aspx and adding a new blank one with just a button event but same thing still applies.

We've spent quite some time troubleshooting this without any results. Same problem exists both with and without using a masterpage.

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AJAX :: Button Events Are Not Firing In TabContainer?

Dec 18, 2010

m using ajax control tab container, in which i have placed 5 tab panels....

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C# - Datagrid Itemcreated And Itembound Events Are Not Firing?

Apr 14, 2010

I have a DataGrid which i am using on the page alogn with 4 tabs. Clicking on each tab different datasource is getting bing to the data grid. Now following is problem,

There are 4 tabs of UI I have written code to bind data source to data grid on onclick event of tab (which is linkbutton) However when i am clicking on the tab data gets bind to data grid but item created and item databound event which i have attached to grid on page init() are not firing on the first time.
I also have attached page index changed event clicking on which executes item created and item data bound event

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Local IIS 4 Site Click Events Not Firing?

May 21, 2010

What would cause click events to not fire?If I run the Visual Studio debug server everything works fine, but when I run the site off my Windows 7 IIS, buttons just postback without their events firing (breakpoints show Im getting page lifecycle events, but no clicks)

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VS 2010 Button On WebUserControl Click Events Not Firing?

Dec 24, 2010

I have a WebUserControl with a Button and some other controls (placeholder for images, labels). On a certain page, a number of these WebUserControls are created (using Me.LoadControl) and added to a PlaceHolder on the page.When the user clicks the button on either of these usercontrols, I want a method on the page to be called. I have been doing this by handling the Button Click event on the usercontrol, and then letting the usercontrol raise another event. I use AddHandler after creating the usercontrol to add an eventhandler method to this custom event. Sounds confusing? Here's a simple example.

The WebUserControl:
asp Code:
<%@ Control Language="vb" AutoEventWireup="false" CodeBehind="TestControl.ascx.vb" Inherits="CSLimitedEdition.Controls.TestControl" %><asp:Button runat="server" ID="btn" Text="Button" />
vb.net Code:
Namespace Controls Public Class TestControl Inherits System.Web.UI.UserControl Public Event ButtonClicked As EventHandler ' Just some property to test with Public Property Number As Integer Protected Sub btn_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btn.Click ' When the button is clicked, raise a ButtonClicked event to handle on the Page RaiseEvent ButtonClicked(Me, e) End Sub End ClassEnd Namespace
The Page to place a number of these controls on:
asp Code:
<%@ Page Title="" Language="vb" AutoEventWireup="false" MasterPageFile="~/Site.Master" CodeBehind="TestPage.aspx.vb" Inherits="CSLimitedEdition.Pages.TestPage" %><asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server"></asp:Content><asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <p> <asp:Label runat="server" ID="lbl" /> </p> <p> <asp:PlaceHolder runat="server" ID="placeHolder" /> </p> </asp:Content>
vb.net Code:
Imports CSLimitedEdition.Controls Namespace Pages Public Class TestPage Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not Me.IsPostBack Then Me.AddControls() End If End Sub Private Sub AddControls() For i As Integer = 1 To 5 ' Create the control Dim c As TestControl = DirectCast(Me.LoadControl("~/Controls/TestControl.ascx"), TestControl) ' Set some property for testing and add event handler c.Number = i AddHandler c.ButtonClicked, AddressOf TestControl_ButtonClicked ' Add it to the place holder placeHolder.Controls.Add(c) Next End Sub Private Sub TestControl_ButtonClicked(ByVal sender As Object, ByVal e As EventArgs) ' When a button on a usercontrol is clicked, set the label text to the 'Number' property of that control Dim c As TestControl = DirectCast(sender, TestControl) lbl.Text = c.Number.ToString() End Sub End ClassEnd Namespace

The idea is this:Button is clicked on the TestControl: TestControl.ButtonClicked event is raised. On the TestPage, the bestControl_ButtonClicked method is called The Number property of the calling TestControl is assigned to a label so I can see it. However, it seems that the TestControl_ButtonClicked method is never called. Via debugging I can confirm that the Button Click event, on the TestControl usercontrol, is fired, so that the TestControl.btn_Click method is called. The TestControl.ButtonClicked event is raised.After creating a TestControl, the AddHandler statement is executed. After clicking a button on the page however, nothing happens. The page just posts back, all the buttons are gone (ok, I'm not loading them again in case of a postback), but the label does not get the text.In fact, the ButtonClick handler method (TestPage.TestControl_ButtonClicked) method is never called! What could be causing this? I am sure that I have been using this method a few weeks ago, in this very project, yet suddenly it has stopped working. I thought it might be a one-time thing but with these new TestControl and TestPage the same thing happens. The same thing happens also in a completely new and separate project. I don't get it, this WAS working?

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C# - Jquery Events Are Not Working/firing After The Updation In UpdatePanel?

Jul 10, 2010

I have got an issue after updation in UpdatePanel. The issue is the jquery events are not working/firing after the updation in UpdatePanel. At first time, the jquery events work, but not after the updation in UpdatePanel. If I remove the UpdatePanel, the problem is solved. But I have to use the UpdatePanel.

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