BKI_DichVuMatDat.CHRMCommon.validate_control_empty C# (CSharp) Method

        public static bool validate_control_empty(params Control[] controls)
        {
            var isValidated = false;

            foreach(var control in controls)
            {
                control.BackColor = Color.White;
                var typeOfControl = control.GetType().ToString();

                switch(typeOfControl)
                {
                    case "DevExpress.XtraEditors.TextEdit":
                        {
                            var controlTextEdit = control as TextEdit;
                            isValidated = (controlTextEdit.Text.Trim() != "");
                            break;
                        }
                    case "DevExpress.XtraEditors.MemoEdit":
                        {
                            var controlMemoEdit = control as MemoEdit;
                            isValidated = (controlMemoEdit.Text.Trim() != "");
                            break;
                        }
                    case "DevExpress.XtraEditors.DateEdit":
                        {
                            var controlDateEdit = control as DateEdit;
                            isValidated = (controlDateEdit.EditValue != null);
                            break;
                        }
                    case "DevExpress.XtraEditors.ComboBoxEdit":
                        {
                            var controlComboBoxEdit = control as ComboBoxEdit;
                            isValidated = (controlComboBoxEdit.EditValue != null);
                            break;
                        }
                    case "DevExpress.XtraEditors.ButtonEdit":
                        {
                            var controlButtonEdit = control as ButtonEdit;
                            isValidated = (controlButtonEdit.EditValue != null);
                            break;
                        }
                    case "DevExpress.XtraEditors.CheckEdit":
                        {
                            var controlCheckEdit = control as CheckEdit;
                            isValidated = (controlCheckEdit.EditValue != null);
                            break;
                        }
                    case "DevExpress.XtraEditors.SpinEdit":
                        {
                            var controlSpinEdit = control as SpinEdit;
                            isValidated = (controlSpinEdit.EditValue != null);
                            break;
                        }
                    case "DevExpress.XtraEditors.LookUpEdit":
                        {
                            var controlLookUpEdit = control as LookUpEdit;
                            isValidated = (controlLookUpEdit.EditValue != null);
                            break;
                        }
                    case "DevExpress.XtraEditors.SearchLookUpEdit":
                        {
                            var controlSearchLookUpEdit = control as SearchLookUpEdit;
                            isValidated = (controlSearchLookUpEdit.EditValue != null && controlSearchLookUpEdit.EditValue.ToString().Trim() != string.Empty);
                            break;
                        }
                    case "DevExpress.XtraEditors.CheckedComboBoxEdit":
                        {
                            var controlCheckedComboBoxEdit = control as CheckedComboBoxEdit;
                            isValidated = (controlCheckedComboBoxEdit.EditValue != null && controlCheckedComboBoxEdit.EditValue.ToString().Trim() != string.Empty);
                            break;
                        }
                    default:
                        break;
                }

                if(!isValidated)
                {
                    control.Focus();
                    control.BackColor = Color.Pink;
                    break;
                }
            }
            return isValidated;
        }