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Zone: > NEWSGROUP > Asp.Net Forum > visual_studio.visual_web_developer_2005_express Tags:
Item Type: NewsGroup Date Entered: 11/24/2005 11:48:14 AM Date Modified: Subscribers: 0 Subscribe Alert
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mnongkhlaw
Asp.Net User
Client-side Validation in VWDE11/24/2005 11:48:14 AM

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Hi,

Just a quick couple of questions from a newbie - Is there an easy way to do client-side validation/confirmation, say, confirming a Delete operation or checking for blank/invalid inputs in VWDE without resorting to coding?

Further, in master-detail scenarios, are delete operations, say on a master record having relationships to detail records in another table(s) cascading deletes to ensure relational database integrity using the default grid editing features or do we have to hardcode for these too?

Mark
ScottGu
Asp.Net User
Re: Client-side Validation in VWDE11/25/2005 6:20:47 PM

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Hi Mark,

ASP.NET and Visual Web Developer support a rich suite of "Validation Controls" that perform both client and server side validation support in a no-code style model (you declaratively use them on pages).  If you look in your "validation" toolbox tab in Visual Web Developer you should find them.

If you have the correct referential integrity rules setup in your database, then you shouldn't have to write custom code to maintain them -- instead your SQL Express or SQL database will just guarentee things correctly.  You might want to write some custom error handling code in the event that one is validated (so that you can display a cleaner error message to users) -- but the actual integrity of your database will be guarenteed by SQL.

Hope this helps,

Scott
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