Web Forms :: Frame Event Handler / Call An Event From The Second One After Clicking A Button In The First One?

Jan 26, 2010

i have two frames in a page. the fist one contains buttons the second one the form. i want to call an event from the second one after clicking a button in the first one ,

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Forms Data Controls :: How To Call A Button Click Event On From An Event Handler

Sep 29, 2010

I got an event handler like this, in this event, i wanted to call another button click event. How can I do that?


if (ds.Tables[0].Rows.Count == 0)

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C#: Calling A Button Event Handler Method Without Actually Clicking The Button?

Mar 5, 2010

I have a button in my aspx file called btnTest. The .cs file has a function which is called when the button is clicked.

btnTest_Click(object sender, EventArgs e)

How can I call this function from within my code (i.e. without actually clicking the button)?

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C# - How To Call Silverlight Handler Event And Then Serverside Event On Page Submit

Mar 19, 2010

I have a Silverlight control on page which has a upload control. the silverlight exposes some events such as

StartUpload() => To start the file upload,

StopUpload() => To stop the file upload if running,

CheckFileStatus() => to check the status of the file upload.

The page has aspx Submit button with onclientclick event and ocClick event.

<asp:Button ID="btn_upload" Text="External Upload" runat="server" OnClientClick="Javascript:StartUpload();"
OnClick="btn_upload_Click" />

When I click on the aspx Submit Button, the file selected in Silverlight control should be uploaded and after the completion of upload, the Server side event should get called.

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Web Forms :: How To Call Button Event On Browser Close Event

Dec 28, 2010

How to call button event on browser close event? is it possible?

i have a button placed on my master page and when user try to close the browser window, i want to invoke this button event placed on my master page...

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Difference Between Adding Code In The PreLoad Event Handler And At The Top Of The Load Event Handler?

Oct 3, 2010

Is there a technical reason for the existence of Page.PreLoad or is this just convenience to have a place where you can neatly place code that always have to be executed before the Load code? Is there a difference between adding code in the PreLoad event handler and adding code at the top of the Load event handler? And what would be a typical scenario where you use PreLoad?

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Load Dynamic Control From A Dropdownlist Event Handler - How To Preserve The Control After Button Event

Mar 10, 2011

I understand I need to load my dynmaic control on every postback and preferrably in Page_Init(). But my dyanmic controls are loaded from a dropdownlist selectedindexchanged event handler. Now after any postback, my dynamic controls are gone. How would I force it to load on every postback ?

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C# - Call An Event Handler On Another Page?

Nov 24, 2010

Simple question here, but I've got a nagging feeling that there's a more interesting solution than the one I've chosen:

Page Two consists of a dropdown, and the change event is handled to execute some query.

protected void ddlSavedQueries_SelectedIndexChanged(object sender, EventArgs e)
/* stuff happens */

Page One is a home page, where I'm providing another version of that dropdown. I'd like the change event in this case to redirect control to Page Two, and then execute the event handler.

My cheap solution is just a Redirect with a querystring value that is handled on page load.

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Explicitly Call The Event Handler?

Feb 3, 2010

On MasterPage I used Page attribute and call FindControl for tab controls on the content page. Lets say I get these two tab control on the content page tabID1 & TabID2. Lets assume that..TabID1 implement ActiveIndexChanged event and TabID2 doennot implement that event.

Now I want to check that if the tab control is implemet the ActiveIndexChanged event then explicitly call that event. I want to write this method generic for tabs on any content page.

1) How do I check that "The server control implement specific (say ActiveIndexChanged) event , If I have Controls (say Tab) instance?

2) How do I call the implemented event explicitly (say ActiveIndexChanged).

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C# - Call An Event Handler In A User Control From Host Page

Dec 9, 2010

I have a dropdownlist in a user control and i want to perform different functions on the basis of the host page that hosts this user control when the selected index of the dropdownlist changes e.g. when the host page is locations i want the event to load locations for the selected item in the dropdown, when the hosting page is services i want to load services for the selected item in the dropdown. What is the best possible way to achieve this scenario.

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Web Forms :: Onclientclick Event For Button Not Being Called When Clicking On ENTER On Keyboard

Jan 23, 2011

I have a button for which there is a OnClientClick() event which calls a javascript method on clicking the button. Everything is good till this point.Now, when clicking on ENTER button on the key board instead of clicking on BUTTON the Java script is not being called.

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Web Forms :: Adding Event Handler For Link Button?

Jan 15, 2010


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Web Forms :: Add Event Handler To Dynamically Created Button?

Oct 5, 2010

Does anyone have a good vb example of adding an "onClick" event to a button that is dynamically added into a templatefield of a gridview. MSDN just says to use the addhandler statement with no other good info for a 'dynamic' scenario:


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Web Forms :: Dynamically Add Event Handler To A Button At Run Time

May 7, 2015

I made a dynamic TextBox and a Dynamic Button.. I would like to add an event on Dynamic Button to change the textbox text when clicked. What I want is when I made TextBox1 text "1" into "2" the TextBox having "2" will become "1". below is my code for page2. Page 1 is just a CheckBoxList consist of items to be passed on page2 DropDownList.

 .cs Page2
protected void Page_Load(object sender, EventArgs e)
if (!Page.IsPostBack)


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Web Forms :: Add Event Handler To User Control And Capture Event On Parent Page?

Apr 24, 2010

Using vb.net/asp.net 2005.

I have a page books.aspx that has a control named authors.ascx.

Inside the authors control there is a "select" button I want to add some kind of listener or event handler (not sure of the correct terminology) so on the parent page (books.aspx) I can respond to the "select" button being clicked.

I have to pass the authorID from the user control to the parent page.

In my authors.ascx control I just created this event:


Now I need to write the function for SelectAuthorBtnClick and I think add some kind of listener in the parent page to listen and handle the event.

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Web Forms :: Dynamic Event Handler In VB Not Responding To Click Event

Oct 23, 2010

This event handler is not responding at all to the click event. On click, the pagination numbers disappear and I'm not able to trace it in the debugger because the event handle doesn't even fire so I have no idea what's going on.


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Web Forms :: Using Dynamically Link Button Creation And Event Handler

Jul 4, 2010

The below shown Tree view are dynamically created link buttons.

These link buttons should be created DYNAMICALLY.

I tried to create dynamically and its working fine for 1 and 2 case.

But I am not able to get 3 case dynamically when i clickon from 2 case.

If I click on Products Link Button it'll display all sub products(i.e, computers, mobiles,...) and

if I click on computers and then only it should display all other sub products like Keyboard, Mouse,...

lly, if I click on Mobiles and then only it should display all other sub products like Nokia, Samsung ,...



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Clicking The Button - It's Not Directly Going To Button Click Event

Mar 17, 2011

in my ASP page iam using button and drop down list controls. In the button click event i have some process, and dropdown list change event have some coding. while iam clicking the button its not directly goto button click event, its going to dropdown list click event.

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Web Forms :: Programmatically Created Event Handler For A Button Doesn't Fire Up?

Mar 21, 2010

I'm trying to manually create a button and add a Click event handler for it in code. However when the button is clicked the event handler doesn't seem to react on event (or event isn't called).

we tested the code in Visual Studio 2008 and everything worked just as it should. And I'm using Visual Web Developer 2005 XE. So I assume that I'm missing something to be done manually being in VWD 2005 XE, or the problem is in VWD 2005 XE it self.

here is what I'm doing:


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Forms Data Controls :: Datalist Button Not Firing Event Handler?

May 10, 2010

I put it down for a few weeks to work on other things, but started working on it again because I need to get it to work.

Anyway, I figured if I wanted to put a button in a datalist all I had to do was:


And then in code behind:

protected void datalist1_ItemCommand(object source, DataListCommandEventArgs e)
if (e.CommandName == "submit")
// code here

This is what everyone else says to do when I search google. I put a break on the event but the event never fires. Does it matter if I am using VS 2010 and .net 4.0?

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Web Forms :: How To Add An Event Handler For Dynamically Created Button In Ajax Update Panel

Feb 17, 2010

I have a grid view in Ajax UpdatePanel. In a column of a grid view I have a button call btnAddNewRecord. I need to fire btnAddNewRecord.Click event once I click on that.

How can I do this?

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Forms Data Controls :: How To Get (code Behind) Event Handler Wired To Gridview Template Button

Mar 24, 2011

I get an error when attempting to navigate to the page containing this gridview. The error is
'SelectPackage_Click' is not a member of 'ASP.offer_aspx'.

here my page directive:


Here is my markup. Eventhough SelectPackage_Click is present in the code behind, it is not wired up with the button control.


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Dynamic Creation Of Button OK But Its Event Handler NOT Executed?

Apr 1, 2011

I have following simple controls on a page


<asp:Panel ID="Panel1" runat="server">
<br />
<asp:Label ID="lblContent" runat="server" ></asp:Label>

Some code behind in WebForm1.aspx.cs :


When running the WebApp now and clicking on btnCreateDynamically, btnTest is created but when I click on btnTest its event handler is NOT invoked ?

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MVC :: Button Onclick Event Doesn't Trigger Handler

Jul 16, 2010

Trying to get a helloworld web application up running in Visual Web Developer 2010.

Now I created a new project with Home controller and two default views (index and about).

Then in the index view I added a button and a textbox...double clicking the button creates a handler in the view, but it's never called...what am I missing?

<%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" %>

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Button Click Event Handler Before Page Load?

Jan 12, 2011

I will describe my problem in simple way so it's not exactly what I'm trying to do but the idea is the same.Here is the problem:

I create dynamic buttons from code behind.I get some id from query string,create button with that id ,dynamic add event handler to click event,and add button to placeholder.I store the list of id-s in session and in page load method recreate these buttons and add to placeholder.One of the id-s is CurrentId and it's also stored in session.Buttons click handler do something like this

Button b=(Button)sender; Session["CurrentId"]=Convert.ToInt32(b.ID);

In page load when I create buttons I want to set button text property different from others if id==Convert.ToInt32(Session["CurrentId"]) when list of id-s are gotten from session.But problem is that click event handler is called after page load,and when I create buttons in page load ,CurrentId in session hasn't been channged by click event handler.Can you suggest any solution to this situation?

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