private void TxtTele_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Enter:
{
TxtEMail.SelectAll();
TxtEMail.Focus();
break;
}
}
}
private void EMail_Validating(object sender, CancelEventArgs e)
{
System.Text.RegularExpressions.Regex rEMail = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z][\w\.-]{2,28}[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$");
if (TxtEMail.Text.Length > 0)
{
if (!rEMail.IsMatch(TxtEMail.Text))
{
MessageBox.Show("Invalid Email address", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
TxtEMail.SelectAll();
e.Cancel = true;
}
}
}
