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BOOK: Beginning ASP.NET 4 : in C# and VB
This is the forum to discuss the Wrox book Beginning ASP.NET 4: in C# and VB by Imar Spaanjaars; ISBN: 9780470502211
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Old August 25th, 2011, 09:02 AM
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Default Control used in loop?

Could you please help with this question - I appreciate it greatly .... I have an ado.net connection on my page with a for...each loop that loops through comments posted by users. The id of the comment is obviously different on each loop - I want to place a button in each loop that gives the user (if it is there comment) the option to delete their comment.

How do I get the button control to have the ID as the value for each button and still fire the delete function in the code behind. Basically multiple buttons generated with unique id's on each loop all calling the same event and passing the id to the event.

I've looked everywhere and haven't found any posts that match my situation.

As a work around I can make a text link and direct them to a "delete" page, drop the record, and direct back but I wanted to do this on a post back or in an update panel - much cleaner for the user.

Thanks for any direction on this,

Kenneth.
 
Old August 25th, 2011, 09:12 AM
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Hi Kenneth,

For questions not directly related to my book, please pick an appropriate forum from this list: http://p2p.wrox.com/asp-net-4-539/ instead. This makes it easier for everyone to find what they are looking for.

That said, here's what I would do:

1. Bind the data to a ListView
2. Set the CommandArgument of the delete button to the ID of the comment
3. Handle the appropriate event
4. Look at the CommandArgument and use that to edit the comment.

Cheers,

Imar
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Imar Spaanjaars
http://Imar.Spaanjaars.Com
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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