validate to enter first character dot in c#

Question

1.00/5 (1 vote)

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restrict the user to enter first character as dot in grid view using c#.net

Posted 20-Jul-12 2:19am

Comments

Sandeep Mewara 20-Jul-12 16:16pm

Tried anything?

Member 9068558 21-Jul-12 0:25am

i tried with this code...

if (char.IsDigit(e.KeyChar) || e.KeyChar == 8 || e.KeyChar != '.')
{
e.Handled = false;
}
else
{
e.Handled = true;
}

Member 9068558 21-Jul-12 0:32am

but this code is restricting to enter dot anywhere in cell

1 solution

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Santhosh Kumar Jayaraman · Answer 1 · 2012-07-20T02:42:00

sample solution:

C#

string strPin=txtbox_Employee;
If (!(strPin.StartsWith("."))
{
//Error msg
//return
}

Alternative solution would be using regular expression validation

Posted 20-Jul-12 2:42am

Updated 20-Jul-12 2:44am

v2