How To Simulate A Button Click From Code Behind

Dec 22, 2010

I am trying to trigger button click event from another event. In other words I am trying to invoke a Protected Sub function from another Protected Sub functions.

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Web Forms :: How To Simulate A Button Click (server-side VB)

Jan 8, 2010

I know this is strange, and probably considered bad design. I need to simulate the clicking of an actual button on my asp page. I do not need the button's on_click event sub/code to execute. The issue here is that I want to trigger the ConfirmButtonExtender associated with that button. The ConfirmButtonExtender, by design, executes before the Click event code.

So to be clear, I need to actually "click" the button. What the button does is irrelevant (in fact the button is invisible and has no code). I simply need to trigger the button's ConfirmButtonExtender, not the code behind the actual clicking of the button. Like this..

Protected Sub Button1_Click(.....) Handles Button1.Click
Somehow click invisible_button (not call the Click() event, but actually "click" the button)
End Sub

----Long, convoluted details------

I have fields on a page that require user input. When the user hits submit, I want to display a confirmation dialog with the data of those fields.

To do this, I originally added a ConfirmButtonExtender to the "Submit" button (just a regular ASP button). The problem appears because the ConfirmButtonExtender executes before the OnClick event of the submit button.

During my OnClick even I took the data, populated it into a confirm textbox (which is inside a ModalPopUpExtender). I originally then used the MPE.Show() (still in the onClick event) to display my conformation textbox.

However ,the .Show() function doesn't halt code execution (which is needed, since this is a confirmation dialog). So as a result, I created an invisible button.

This invisible button now has the ConfirmButtonExtender added to it, which will display my MPE/Confirm Dialog. When the user hits "Submit", the click routine is called, all the data is stored and populated, and THEN I want to "click" the invisible button, triggering the ConfirmButtonExtender. That will halt code execution in my original Submit buttons click routine.

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I have the following ASPX page:

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
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If I use __doPostBack('TreeNew', '') it throws me the following error: "Object expected".

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Situation:

1) Click on 'Check' button and the button will disable

2) Run a processing code(for checking) and once it is done, navigate to a new page(NewPage2).

Here are 2 code situations (1):

[Code]....

and if I do this way (2),:

[Code]....

it will navigate to NewPage2.aspx, but during the execution of the processing code, ButtonCheck control will not be disabled as the Click Event has not finished, and I want it to disable during the checking process. If the 1st option is executed, it will throw to me "Response is not available in this context."? HttpContext is null for (1). In my opinion, I think that the navigation does not recognise the response object as it is in a thread and has exited out of the buttoncheck event. But I'm still not sure why.

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My motto is to call a Java script function at the end of button click code behind. ie, firstly i need to execute the server side function after which my java script function should get invoked. My server side method is as follows

protected string SaveEmbedURL_click()
{
if (txtembedurl.Text != null)
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aschool.SchoolId = CurrentSchool.SchoolId;
aschool.EmbedUrl = txtembedurl.Text;
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return "true";
}
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function SaveEmbedUrlClientSide() {
admin_CustomizeTheme.SaveEmbedURL_click(true);
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I have added a few WebUserControl's to a form and I want to check their properties values in a code behind (vb) when a user click a button.I tried unsuccessfully to get a reference to these controls using the TypeOf and GetType functions...How do I get a reference to the webUserControls ?

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VWD 2008 Handling Each Button's Click Event On Each Page Using The Single Code Behind File?

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I have a website that contains several aspx pages linked to a single aspx.vb code behind file. Four of these aspx pages have a single button on each (four total). My issue is handling each button's click event on each page using the single code behind file.

My four buttons' names are:

[code]....

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On button click i do action A1, like

btnAction1_Click(object sender, ImageClickEventArgs e) {
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}

now ,i'll click this button. If page is refreshed after Action1 is done..request is sent again and same action is repeated.

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I need to collect the data entered by user for a quote and send all the data with labels to an email address. SMTP server is set up in web.config file, but I need to know the code behind for the submit button click event for the form. I do not need to store any data in a data base just need to send each label,field,radiobutton,etc. user responses to email address. All of the code I have been able to find has not applied to my situation.

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Web Forms :: To Click Search Button Twice To Run Search. Button-click Procedure Not Run On First Click

Mar 27, 2010

On my Search page, I have a search textbox, four drop-down lists and a "Search" button. If I use only the drop-down lists and click the "Search" button, results are immediately returned. However, if I enter text into the textbox and click the "Search" button, nothing happens until I click the "Search" button a SECOND time.The processes that occur for the latter scenario are as follows:Text entered into textbox, and Search button clicked:On FIRST click attempt:

1. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load for Search.aspx is called

2. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load for Main.Master.vb is called

3. Process stops! No results

On SECOND click attempt:

1. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load for Search.aspx is called

2. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load for Main.Master.vb is called

3. Protected Sub SearchSubmit(ByVal sender As Object, ByVal e As EventArgs) Handles btSearch.Click for Search.aspx is called

4. Search continues and completes.

So, why will the 3rd step not kick in until clicking Search for a second time

[Code]....

If I reach this last Sub, everything else beyond this works fine.

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