Web Forms :: Checkchanged Event Not Firing?
May 27, 2010
i'm creating and adding checkbox in my code behind to a parent control.
autopost back is true, it's posting back on being checked, but i'm not sure how to capture the fact that it's checked before I recreate/add it to the parent control again.
i can search all controls and find it prior to re adding it to the parent, but it never shows checked...
i have a checkchanged event on it that never fires, thing it's a flow/view state issue, but not sure how to reslove...
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Mar 18, 2011
I can't figure out why, but before my form is even displayed, the CheckChanged event fires. I don't even have a chance to check anything. Has anyone seen anything like this?
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Nov 25, 2013
I'm trying to use your example of hierarchical gridview: [URL] .....
I'm trying to catch a click event on a checkbox which is in grid child. Just catches the check event, but not catch uncheck event.
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Oct 12, 2012
I have used an Update Panel, and place two RadioButtons in Update Panel.
Radiobutton1 ID="radio1" and RadioButton2 ID="radio2"
Then I have set AsynPostBack for Both radioButton's.
Now, on Page Loads radio1 will triggered and fetch all data from Database, then when I click on radio2 it will triger and fetch all data, but if I again click radio1 It doesn't get trigger.
Same process I have done by setting PostBack on both Radiobutton's but show's same result.
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May 7, 2015
I am adding columns dynamically to gridview as [URL] ....
I am adding checkbox and trying to add handler but it is not getting fire
AddHandler lnkView.Click, AddressOf ViewDetails
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May 7, 2015
I want to get Row Fields in Gridview on Checkbox Change inside gridview.I have checkbox column in grid, i want to get row details in msgbox as i select checkbox. On selected index change of checkbox inside ridview.Everytime i select checkbox, it gives msgbox for row details.
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Jan 22, 2010
I'm sure I'm missing something extremely obvious here, but at this point I can't see it so I need the help.Anyway, I've got a repeater inside of an UpdatePanel. As of right now, I've stripped it down to this, just to try and isolate the problem:
[Code]....
Whether I add the handler during itemdatabound or I add the handler within the repeater itself, it doesn't seem to matter...the event itself doesn't fire. The AutoPostback itself seems to fire, but the event itself doesn't.
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Feb 16, 2014
I need the ability to check a box and then store or remove the text of the checkbox clicked to my sql server database. see my code below that is written in vb.
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="SBN_Company_Cat_Types.aspx.vb" Inherits="ShopBuyName_Test_Site.SBN_Company_Cat_Types" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
[Code].....
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Mar 1, 2011
I have a gridview called gvResults. In the gvResults_RowEditing event I add a row below the one selected. In that new row, which spans all columns, I insert a user-control. There are two buttons and some textboxes in the user control.
My problem is that when I click one of the user-control buttons it never gets to the button event handler, I think because the user control is not recreated on the page postback. How can I have the user-control events fire before the parent page events fire?
I tried using an update panel, but I still get the parent posting back before the user-control events.
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May 8, 2010
I am facing one strange problem,I have a gridview in which the last two columns have checkboxes and on those checkboxes click event I am doing some database operations.I also have one checkbox that is outside the gridview which actually shows or hides some of the gidview columns.This was all working well but now I have shifted that grid to a user control because I have to use it in two pages.The problem now is,When the page first loads and I click the check box or any control in the page that is outside the grid then it works perfectly.But once I click any of the check box within grid view column then its behavior chages, now even if I click the checkbox that is outside the grid then also the checkbox_CheckedChanged event of the checkbox that is whithin gridview is fired.That checkbox event then behaves something like a page_load event that is called for every page load and for every event with in the page after it is called once.
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Jan 6, 2011
I've stepped through the code and verified this action. It gets to the end sub and just loops again. Also does it on the production server in IE and Chome (that's all I've tried). Here is the button definition on the actual ASP page:
[Code]....
It goes through the code, sends me an email, gets to End Sub, then loops right back to the top of the sub and goes through the whole thing again, sending me a duplicate email, then exiting normally and sending them to the About page. This is the only code in the aspx.vb besides the class def and inherits statement.
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Jan 24, 2010
I have a two web forms with griviews that are bound to SQL through the same query in a class. Both have the same columns and footers. Both have a checkbox control in each grid row. The checkboxes on each form have OnCheckChanged event handlers that I put in the code behind. In fact, the html code is almost the same on both forms, and the OnCheckChanged code is exactly the same except for the fact that I have named them differently. AutoPostBack is true for both checkbox controls in the gridviews. One works, the other doesn't. The difference between the two is that the gridview row checkboxes that don't work are burried in a MultiView. Could that be why the codebehind event handler doesn't fire? Here is the html for the column:
[Code]....
Here is the html for the header of the gridview:
[Code]....
Here is the codebehind:
[Code]....
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Feb 23, 2010
I have a div in which i have few text boxes and checkboxes, i wrote checkboxchanged event but it is not firing when i check or uncheck the checkbox i set the autopostback property of the checkbox = true but still no result. does any one have idea how to control this scenario.
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Apr 19, 2010
I have a ascx like below
<%@
Control
Language="C#"
[code]...
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Jan 17, 2011
I have an asp.net 2.0 c# site.
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[Code]....
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Jan 22, 2011
I added some code to Global.asax on app start and I had to copy same project on a different machine and suddenly Global.asax file's event didn't fire. After doing lot of googling and trying many things I deleted the existing Global.asax and added a new one and then tested it. And I was surprised that it started to work again. so I would like to know what caused that previous Global.asax not to work?
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Mar 26, 2010
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May 26, 2010
On checkchanged in gridview Pageload issue
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Jun 5, 2010
I have a webfrom on which I have some textbox controls, validation controls and button controls. When I click the button is validating the form but when I fill the text boxes with valid data and click the button nothing is happening i.e. the page is not posting back and button_onclick event is not firing. Below is the markup.
<table>
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Mar 2, 2010
I am loading in a user control on page load and events are never firing. The user control loads fine with the correct information. it contains two dropdowns and an
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[code]....
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Oct 28, 2010
I am generating UserName based on FirstName.LastName after that I am hitting the database and checking if this username (Like AAA.BBB) exists or not if not then I am generating email address, if yes then it is thorowing error which is correct. And after this when I changed the username (Like AAA.BBBC) and hit enter or tab then again it should check the database and generate the email but it is not doing any thing means I think I am missing the cursor control or Second time TextBox_TextChanged event is not firing.
[Code]....
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Mar 14, 2010
I am trying o implement a non-databound treeview and capture its click event when a user clicks one of its nodes. Everything I tried does not fire SelectedNodeChanged event...why?here I even tried the example sited on msdn and it does not fire...http://msdn.microsoft.com/en-us/librar/system.web.ui.webcontrols.treeview.selectednodechanged.aspxthis what I have tried to copy and implement right from the sampkle:
Sub Select_Change(ByVal sender As Object, ByVal e As EventArgs)
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[code]...
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Mar 4, 2011
I have a user control that has an event that checks if a textbox is empty and does other processing...this event would also set a publ;ic property on the user control to a boolean value.
1) On the host page/parent, I want to click a button that will set off the event explained above.
2) Also, how do I reference the user control on the host page?
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Apr 3, 2010
On my page, the user is basically registering for a site and I am trying to do a username availability check, without doing the javascript myself(not very good with it yet). The code that is shown below shows the contents for 1 out of 5 textboxes on the page. They all are in the same validator group that is triggered by a button. I have tested the availability query check itself and it works, but only once the submit button is clicked. Nothign is happening when I tab away from the textbox after enetering text.And this page is actually 3 tabs (not sure if there is some sort of a bug that involves tab containers possibly).
I here's the client-sdie code for the page (at least what pertains to this):
[Code]....
And here is the server-side:
[Code]....
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May 7, 2010
I have a form that contains a Table control. The columns and rows are created dynamically, so there needs to be a way to maintain the state of the table. The table ALSO has textboxes within it that will fire a postback and update a database entry when the text has changed. Kind of like an excel-type configuration.
Anyways, I figured the best way to do this was to create a class object to create a standardized way of creating the Table, and then storing it in the Session. Every page reload I then readd the table to the form, so it looks like it is maintaining state.
Now, everything works fine and dandy, but my textboxes have an event handler which is stored in the class file. I can type in the textboxes and the form reposts, but the TextChanged event never fires.
Here's my code for the file:
[Code]....
And here is the page that utilizes it:
[Code]....
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