how can i write validations

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Hi all,
I am working with smpt email form

when the user clicks on submit it should check the validation and send the code

Please help me how can i do it ?

This is the code with i done but i need validations...

example

C#

protected void Btn_Submit_Click(object sender, EventArgs e)
if{validation == true}
   {
    SendUserMail("mailid",txt_mail.text,"Hi How are you");
  
    string Body = "fname.text", "name.text", "mail.text";

    SendUserMail("mail", body);

     }
else 
{
messge box = please enter the fld 
}

Please tell me how can i write validation and how can i do this??
kindly provide me how to do it

i need validation code also all txt flds plz

example: if user clicks on submit it has to see all the txt boxes are filed or not

Posted 4-Jan-12 2:58am

manoharnch

Updated 4-Jan-12 3:09am

v4

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Rajesh Anuhya 4-Jan-12 9:03am

Validation for what??? you mean email address??

manoharnch 4-Jan-12 9:07am

no sir, for text flds

1 solution

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Rajesh Anuhya · Answer 1 · 2012-01-04T03:05:00

Solution 1

use this javascript to validate email address

C#

function validateEmail(elementValue){
   var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
   return emailPattern.test(elementValue);
 }

Posted 4-Jan-12 3:05am

Rajesh Anuhya