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 Detecting blank/null cell

Author  Topic 

markyjj
Starting Member

8 Posts

Posted - 2008-11-04 : 08:36:14
Can someone please help me with the following problem. I currently have a datgrid that is linked to an sqlexpress database. The user can change details by clicking on a row and then update any changes through an update button. However, I want to prevent the datagrid from having any blank cells and there should be data in very cell all the time.

Is there a way to keep focus on the cell until data has been entered or any other methods I can use?

Grateful for any advice......cheers.

afrika
Master Smack Fu Yak Hacker

2706 Posts

Posted - 2008-11-04 : 12:35:28
What do you mean keep focus ?
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cvraghu
Posting Yak Master

187 Posts

Posted - 2008-11-05 : 00:42:43
Do you mean preventing the user from submitting null data to db? If so validate on the button click and return focus on te grid cell.
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markyjj
Starting Member

8 Posts

Posted - 2008-11-05 : 06:28:22
Thanks for the reply.....how do I actually go about detecting a null/blank entry in the cell in the button validation. because am not sure hot to actually detect a null value in the current cell. I have tried to enter code in the current cell validation handler but cant seem to detect a null value.

Thanks again
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cvraghu
Posting Yak Master

187 Posts

Posted - 2008-11-06 : 02:07:10
You can use RequiredField Validator. Please check the following link

http://quickstarts.asp.net/QuickStartv20/util/srcview.aspx?path=~/aspnet/samples/data/PhotosAlbumValidate.src

Google for more information.
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