private void txtNewClientPhoneW_Validating(object sender, CancelEventArgs e)
        {
            RegularExpressionHelper helper = new RegularExpressionHelper();

            // Phone is required
            if (((txtNewClientPhoneW.Text).Length > 15) || !helper.IsPhoneFormat(txtNewClientPhoneW.Text))
            {
                errorProvider12.SetError(txtNewClientPhoneW, "Incorrect Phone Format");
                e.Cancel = true;
                return;
            }
            // Phone is Valid
            errorProvider12.SetError(txtNewClientPhoneW, "");
        }
        private void txtNewCoordinatorFax_Validating(object sender, CancelEventArgs e)
        {
            RegularExpressionHelper helper = new RegularExpressionHelper();

            // Fax is required
            if (((txtNewCoordinatorFax.Text).Length > 15) || !helper.IsPhoneFormat(txtNewCoordinatorFax.Text))
            {
                errorProvider21.SetError(txtNewCoordinatorFax, "Incorrect Fax Format");
                e.Cancel = true;
                return;
            }
            // Fax is Valid
            errorProvider21.SetError(txtNewCoordinatorFax, "");
        }