void InitValidation() { UniqueNameValidationRule rule = new UniqueNameValidationRule(uniqueNames); rule.ErrorType = ErrorType.Critical; rule.ErrorText = Properties.Resources.RuleUniqueNamesWarning; dxValidationProvider1.SetValidationRule(teCaption, rule); dxValidationProvider1.SetValidationRule(cbeGroup, ValidationRulesHelper.RuleIsNotBlank); dxValidationProvider1.SetValidationRule(heLink, ValidationRulesHelper.RuleIsNotBlank); cbeGroup.EditValueChanged += new EventHandler(edit_EditValueChanged); teCaption.EditValueChanged += new EventHandler(edit_EditValueChanged); heLink.EditValueChanged += new EventHandler(edit_EditValueChanged); }