private void txtDishName_Validating(object sender, CancelEventArgs e)
{
string errorMsg;
if (!ValidDishName(TxtName.Text, out errorMsg))
{
//cancel the event and select the text to be corrected by the user
e.Cancel = true;
TxtName.Select(0, TxtName.Text.Length);
//Set the ErrorProvider error with the text to display
this.errorProvider1.SetError(TxtName, errorMsg);
}
if (e.Cancel == false)
{
this.errorProvider1.Clear();
}
}
