private void phoneNumberValidateValue() { this.BusinessPartnerFormFieldValidation(); using (ReceiptBLL receipt = new ReceiptBLL()) { BusinessPartnerContactDetails contact = this.contacts.Where(selectContact => selectContact.PhoneNumber.Trim().ToUpper() == cmbPhoneNumber.Text.Trim().ToUpper()).FirstOrDefault(); if (contact != null) { this.selectedBSP = receipt.GetBusinessPartnerByBSPId(contact.BusinessPartnerId); txtName.Text = this.selectedBSP.Name; txtAddress.Text = this.selectedBSP.addresses.First().Address; } } }