Solved

Datagrid for Visual Basic .NET

Posted on 2007-11-18
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Last Modified: 2013-11-26
Using the automated methods eg:  Me.CustomersTableAdapter.Fill(Me.DsCustomers.Customers)

is there a way to find out when the the fill is finished  ?

 me.CustomersTableAdapter.filled ? :)

the reason for asking is to show a progress bar during the process.


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Question by:siacom
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5 Comments
 
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Accepted Solution

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doraiswamy earned 500 total points
ID: 20310698
I'm going to give you an idea but not the code:
Start a separate thread. In this thread start a timer. Everytime the timer runs out, update the progress bar. The timer tick can be set to 100 or 1000 depending on how long your loading is expected to take. Note that since you do not know the exact time, your progress bar may reach maximum before the data set is loaded. In this case you have to restart the progress bar from 0.
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Author Comment

by:siacom
ID: 20317038
thank you that answers part of it...

But at which point will the program know when the dataset is filled. ?
so that I can stop the timer.



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Assisted Solution

by:doraiswamy
doraiswamy earned 500 total points
ID: 20318291
your fill command is of the form:

' start the timer here
dataadapter.fill(dataset)     ' this will take some time
' stop the timer here
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LVL 8

Expert Comment

by:doraiswamy
ID: 20326176
Thanks.
Let me know if it worked as you wanted it to.
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Author Comment

by:siacom
ID: 20331339
A problem I have is that the progressbar stop even while the timer (thread) is running and then fills when the datagrid is filled.

I have tried so many scenarios placing the timer before the fill, filling within another thread. No matter what I try, there is always some sort of glitch to showing progress while filling.

At the moment I'm back to square one searching on the net for some answer to showing progress while filling a datagrid.
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