private void AddDistrict(object sender, EventArgs e)
 {
     if (ValidateChildren(ValidationConstraints.Enabled))
     {
         conferenceDistrictRepository.InsertConferenceDistrict(new AddConferenceDistrictModel
         {
             DictionaryDistrictId   = (int)DistrictId,
             DictionaryDistrictName = DistrictNameTextBox.Text,
             DistrictCode           = DistrictCodeTextBox.Text,
             DictionaryCountryId    = (int)CountryComboBox.SelectedValue
         });
         Close();
     }
 }
 public IActionResult InsertCountry(AddConferenceDistrictModel conferenceDistrict)
 {
     _getDistrict.InsertConferenceDistrict(conferenceDistrict);
     return(Ok());
 }