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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0Server side validationServer side validation
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1/19/2008 7:07 PM
 
Henri Fournier


www.intratela.com
Joined: 12/14/2004
Posts: 40

I've wirtten a custom module that collects a Date value (among other things). I have validators in the module to check that the Date is entered (required) and valid (Date type). But, I need to also check that the date is within one of several possible ranges of dates. I do this by checking against a DB table server side in the code behind for the cmdUpdate_Click handler. However, if I find the date is not within any of the valid ranges, I want to return the user back to the page to enter a correct date (without loosing the other data already entered).

My problem is I'm not sure how to do that in DNN. Can I redirect back to the page? Do I throw an exception and tell the user to use the back button? Use AJAX?
 
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1/20/2008 10:26 PM
 
Ferry Mulyono

Joined: 7/23/2005
Posts: 45

I don't think you need to tell the user to use the back button. As long as your module enables ViewState, your data will be persisted across postbacks. So what you need to do is put a Label control (hidden by default), and shows the Label if there's any errors and put the message in the Label.

Or, you could also use DNN's Framework capability.

 

DotNetNuke.UI.Skins.Skin.AddModuleMessage(yourModule, "Your Error Message", DotNetNuke.UI.Skins.Controls.ModuleMessage.ModuleMessageType.GreenSuccess);

You can see in the 3rd param; you can change it into either success (green mark), warning, or error.

I suppose you could use this one instead to give consistent message look in your site.

Ferry Mulyono
DotNetNuke Skins
 
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