string IDataErrorInfo.this[string columnName] { get { var validationResult = EntityValidator.ValidateProperty(this, columnName); return(!validationResult.HasViolations ? null : validationResult.ToString()); } }
string IDataErrorInfo.this[string columnName] { get { var validationResult = EntityValidator.ValidateProperty(this, columnName); return(!validationResult.HasViolations ? null : validationResult.ToString()); } }