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I have developed a small form with 3 input type = text and one input type = submit button. The end user fills the form and submit it, but no data inserted into backend List. (probably empty form is submitted). I get to know that Javascript is disabled on user's browser. Now i want to do server side validation. How i validate my form on server side? I need a piece of code to validate form on server side (code behinde) ? I need code in asp.net

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    How is this related to SharePoint? Are you referring to a List form or Application page, Web part?? – Marius Constantinescu - MVP Jan 12 '13 at 19:02
  • yes, i am using SP list for storing data and i am working on application page – SPBeginer Jan 13 '13 at 11:49
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In your button click method try calling

Page.Validate()

//OR

Page.Validate("[Name of validation group]") 

and then:

if(Page.IsValid) {
    //Go ahead and submit your data to SharePoint.
}

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