Form does not load components

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I am a newbie, so it might seems a silly question.

I have a login form which calls other form where it says .. "please wait while it loads".

in form 2 i have a label for that.

Now the problem is that the text for that label doesnot appears until everything is executed in the login_click event.

Ex:

private void cmdLogin_Click(object sender, EventArgs e)
{
    frm2 objfrm = new frm2();
    frm2.show();

    // Manything to execute.
    
   frm2.close();
}

Now it loads form2 but the label text doesnot appears.

I removed frm2.close() and came to know that after it comes out of the cmdLogin_Click function, it the text appears.

I also tried frm2.showdialog(), which loads the text but the code stops at that line and doesnot move to next line in the function cmdLogin_Click.

Is there any solution for this?

Help would be appreciated.

Posted 21-Mar-11 10:05am

Member 4581741

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OriginalGriff · Accepted Answer · 2011-03-21T10:18:00

There is a solution, but it is not simple: you need to move the time intensive code out of your Click event, and into a separate thread. It's not to bad, but for a newbie, it may introduce a lot of concepts you haven't been taught yet, and don't understand.

There is a nasty, quick and dirty "solution" which may solve your problem, but I will probably upset a lot of people by recommending it - normally I would suggest avoiding the use, but it seems safer than trying to introduce you to threading and UI / background threads in particular.

If you must have this display, then in your time intensive code, call the Application.DoEvents method often. If you have a loop, call it at the end of each iteration round the loop. Like magic, your problem will vanish...but others will probably occur!

Why not do the logging in in your "objfrm" form instead?