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Differnece Start and end date check no of months

vidya kumari

vidya kumari

Apr 29 2012 2:00 AM
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I  have  three  text  StartTextbox  and  EndTextBox  ,Textbox3 .Please  careful  textbox3(No  of  month).  Now  I  want  difference  of  start  date  and  end  date  is  Checked  by  No  of  Months  .
 
 
Here  function  in  customvalidation 
protected void ValidateDuration(object sender, ServerValidateEventArgs e)
  {
  DateTime start = DateTime.Parse(StartTextBox.Text);
  DateTime end = DateTime.Parse(EndTextBox.Text);
 
 
  int months = (end.Month - start.Month) + 12 * (end.Year - start.Year);
 
   e.IsValid = months <=TextBox3;
  }

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