private void ClearForm()
{
// clear all fields
firstName.Clear();
Minitial.Clear();
lastName.Clear();
Address1.Clear();
Address2.Clear();
City.Clear();
State.SelectedItem = null;
Zip.Clear();
Gender.SelectedItem = null;;
Phone.Clear();
Email.Clear();
Proof.SelectedItem = null;
Date.Value = DateTime.Today;
// clear errors
FieldError.SetError(firstName, "");
FieldError.SetError(Minitial, "");
FieldError.SetError(lastName, "");
FieldError.SetError(Address1, "");
FieldError.SetError(Address2, "");
FieldError.SetError(City, "");
FieldError.SetError(State, "");
FieldError.SetError(Zip, "");
FieldError.SetError(Gender, "");
FieldError.SetError(Phone, "");
FieldError.SetError(Email, "");
FieldError.SetError(Proof, "");
FieldError.SetError(Date, "");
firstName.Select();
SetAddMode();
}