Question

ASP.NET:How to show label that write "Do process now please wait" while thread execution

Asked by: nikavak

I want to execute a thread .While execution this process thread I want to show on my page the message "Do process now , please wait..." , on a label.


I

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Asked On
2009-10-22 at 05:49:02ID24834237
Topics

Programming for ASP.NET

,

.NET Framework 3.x versions

,

Visual Studio

Participating Experts
3
Points
500
Comments
6

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Answers

 

by: Omego2KPosted on 2009-10-22 at 06:01:06ID: 25633579

How exactly do you want to do this? Do you want to do this from the new thread? Do you want to do this right after you start a new thread?

 

by: nikavakPosted on 2009-10-22 at 06:33:18ID: 25633928

I have a button on my page.When I push this button I want to start the thread.I want at the begginning of the thread function to inform the label 'Do process please wait..." and before finish the thread function to label.txt="".I want this  from the the new thread. By the way I want on click this button to start this thread but the page not post back .When thread process finish, the button is enabled again,  and I want to re-Click  the button the thread restart and so on.  

 

by: sybePosted on 2009-10-22 at 06:43:00ID: 25634045

Create a <div> element with the message (and lay-out and position) which you want. Set it with css to "display:none;". When the button is pressed, set it with javascript to "display:block;" and at the end of the execution of the thread set the style back to "display:none;".

Or you could fool around with the css z-index.

 

by: Omego2KPosted on 2009-10-22 at 06:43:51ID: 25634058

You would need to consider implementing AJAX and a WebService for this.

The steps would be:
1. Call web service method to start a thread, get a boolean value back
2. If the boolean value is true then change the label text using javascript
3. Poll another web service method that also returns a boolean
4. Once it returns true change the label text back

 

by: kumar754Posted on 2009-10-22 at 08:54:51ID: 25635668

you might have to implement AJAX here... this will take care of your POSTBack

see some example below

for you case, try this example in a separate project:
http://ajax.net-tutorials.com/controls/updateprogress-control/

now you can also add few more javascript into this
if you are using AJAX, you can also do is to capture the postback event and can display beforePostback and afterrPostback event and within these functions you can display a label (or manually perform some action) and then hide after your postback is completed.

see this for example:
http://msdn.microsoft.com/en-us/magazine/cc163319.aspx

 

by: nikavakPosted on 2009-10-25 at 06:41:20ID: 31644460

OK

20120131-EE-VQP-002

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