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how can i validate password texbox in C#.net windows application ??

Posted on 2011-02-22
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Medium Priority
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Last Modified: 2012-06-21
i want to validate password that only 8 chars long and accept (0-9,a-z and special characters).
i want to use regular expressions in this , and also using textbox validating event and textbox validated event , so how can i do that ?

for ex..

 private void txtPassword_Validating(object sender, System.ComponentModel.CancelEventArgs e)
        {
                // here coding ...
        }

        private void txtPassword_Validated(object sender, EventArgs e)
        {
                //here coding...
        }

give me some suggestions ...
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Question by:Parth48
3 Comments
 
LVL 8

Expert Comment

by:jimsweb
ID: 34958394
0
 
LVL 12

Accepted Solution

by:
Praveen Kumar earned 2000 total points
ID: 34958411
private void txtPassword_Validating(object sender,
                         System.ComponentModel.CancelEventArgs e)
{
   if(!ValidText(txtPassword.Text))
   {
      // Cancel the event and select the text to be corrected by the user.
      e.Cancel = true;
      textBox1.Select(0, textBox1.Text.Length);

   }
}

 private void txtPassword_Validated(object sender, EventArgs e)
        {
                //here coding...
        }

public bool ValidText(string stringValue)
{
   if(stringValue.Length != 8)
   {
           return false;
   }

return true;

}




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LVL 8

Expert Comment

by:Anurag Agarwal
ID: 34958681
0

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