I run a java script to open a new window from my default.aspx page. Every time I press the button, my default.aspx page_load event fires. This is a lengthy script that I don't want firing. How do I stop this.
My button script is as follows:
If Not ClientScript.IsStartupScri
ClientScript.RegisterStart
End If
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,the not ispostback entry does not run the javascript. I want to run the java script. Each time I press the button that runs this javascript command, my page_load event fires for the screen that contains this java script/button. Its the execution of the page_load event that I don't want. Maybe I misunderstood your comment .
when you click a button on YOUR form (in your browser), which is the CLIENT, the client page will send a message back to the server ( the WEB server, which hosts the asp.net page), which will cause that page to be loaded - hence the page_Load event being processed. That is called the PostBack event (the browser page is posted back to the server). If you do not want the un-needed code to be executed on the postback, that is the purpose of using the code
If Not IsPostBack() processing in the Page_Load handler.
That will only be executed on the initial load of the page (when, obviously, the IsPostBack() function will return false)
Place any code that should only be executed on Initial Page Load in the block that follows the
If Not IsPostBack() then
' code executed only of initial page_Load
Else
' code that is only executed on PastBack
end If
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by: AfricansPosted on 2009-08-23 at 14:26:33ID: 25164336
Hi,
You called java script inside your code and that is why it fires, anyhow you should use the common check
If Not IsPostBack() Then
'Write your code here
End If
Otherwise you have to find out how to show your popup using java script inside your html code
Good Luck