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web-pages use validation in helper class

Posted on 2015-02-08
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Last Modified: 2015-02-09
Hi.

How can I use the validation functions in a helper class?
This one gives an error. Can I import something?
It dosen´t work with: @using System.Web.Helpers.Validation

@helper create() {
      Validation.RequireField("navn", "\"Navn\" skal udfyldes");
        if (IsPost && Validation.IsValid())
      {
            Response.Write("TEST");
      }
}

I´m using c# web-pages.
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Question by:bongii
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by:
Easwaran Paramasivam earned 500 total points
ID: 40598101
Instead you could check particular control has value or not like given below:

navn.Text == string.Empty
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