protected void RadGrid1_ItemCommand(object sender, GridCommandEventArgs e)
    {
        if (e.CommandName == "QuickUpdate")
        {
            string ServiceCategoryID, IsShowOnMenu, IsShowOnHomePage, IsAvailable;
            var oServiceCategory = new ServiceCategory();

            foreach (GridDataItem item in RadGrid1.Items)
            {
                ServiceCategoryID = item.GetDataKeyValue("ServiceCategoryID").ToString();
                IsShowOnMenu = ((CheckBox)item.FindControl("chkIsShowOnMenu")).Checked.ToString();
                IsShowOnHomePage = ((CheckBox)item.FindControl("chkIsShowOnHomePage")).Checked.ToString();
                IsAvailable = ((CheckBox)item.FindControl("chkIsAvailable")).Checked.ToString();

                oServiceCategory.ServiceCategoryQuickUpdate(
                    ServiceCategoryID,
                    IsShowOnMenu,
                    IsShowOnHomePage,
                    IsAvailable
                );
            }
        }
        else if (e.CommandName == "DeleteSelected")
        {
            var oServiceCategory = new ServiceCategory();
            var errorList = "";

            foreach (GridDataItem item in RadGrid1.SelectedItems)
            {
                var isChildCategoryExist = oServiceCategory.ServiceCategoryIsChildrenExist(item.GetDataKeyValue("ServiceCategoryID").ToString());
                var ServiceCategoryName = ((Label)item.FindControl("lblServiceCategoryName")).Text;
                var ServiceCategoryNameEn = ((Label)item.FindControl("lblServiceCategoryNameEn")).Text;
                if (isChildCategoryExist)
                {
                    errorList += ", " + ServiceCategoryName;
                }
                else
                {
                    string strImageName = ((HiddenField)item.FindControl("hdnImageName")).Value;

                    if (!string.IsNullOrEmpty(strImageName))
                    {
                        string strSavePath = Server.MapPath("~/res/servicecategory/" + strImageName);
                        if (File.Exists(strSavePath))
                            File.Delete(strSavePath);
                    }
                }
            }
            if (!string.IsNullOrEmpty(errorList))
            {
                e.Canceled = true;
                string strAlertMessage = "Danh mục <b>\"" + errorList.Remove(0, 1).Trim() + "\"</b> đang có danh mục con hoặc sản phẩm.<br /> Xin xóa danh mục con hoặc sản phẩm trong danh mục này hoặc thiết lập hiển thị = \"không\".";
                lblError.Text = strAlertMessage;
            }
        }
        else if (e.CommandName == "PerformInsert" || e.CommandName == "Update")
        {
            var command = e.CommandName;
            var row = command == "PerformInsert" ? (GridEditFormInsertItem)e.Item : (GridEditFormItem)e.Item;
            var FileImageName = (RadUpload)row.FindControl("FileImageName");

            string strServiceCategoryName = ((RadTextBox)row.FindControl("txtServiceCategoryName")).Text.Trim();
            string strServiceCategoryNameEn = ((RadTextBox)row.FindControl("txtServiceCategoryNameEn")).Text.Trim();
            string strConvertedServiceCategoryName = Common.ConvertTitle(strServiceCategoryName);
            string strDescription = HttpUtility.HtmlDecode(FCKEditorFix.Fix(((RadEditor)row.FindControl("txtDescription")).Content.Trim()));
            string strDescriptionEn = HttpUtility.HtmlDecode(FCKEditorFix.Fix(((RadEditor)row.FindControl("txtDescriptionEn")).Content.Trim()));
            string strContent = HttpUtility.HtmlDecode(FCKEditorFix.Fix(((RadEditor)row.FindControl("txtContent")).Content.Trim()));
            string strContentEn = HttpUtility.HtmlDecode(FCKEditorFix.Fix(((RadEditor)row.FindControl("txtContentEn")).Content.Trim()));
            string strMetaTitle = ((RadTextBox)row.FindControl("txtMetaTitle")).Text.Trim();
            string strMetaTitleEn = ((RadTextBox)row.FindControl("txtMetaTitleEn")).Text.Trim();
            string strMetaDescription = ((RadTextBox)row.FindControl("txtMetaDescription")).Text.Trim();
            string strMetaDescriptionEn = ((RadTextBox)row.FindControl("txtMetaDescriptionEn")).Text.Trim();
            string strImageName = FileImageName.UploadedFiles.Count > 0 ? FileImageName.UploadedFiles[0].GetName() : "";
            string strParentID = ((RadComboBox)row.FindControl("ddlParent")).SelectedValue;
            string strIsAvailable = ((CheckBox)row.FindControl("chkIsAvailable")).Checked.ToString();
            string strIsShowOnMenu = ((CheckBox)row.FindControl("chkIsShowOnMenu")).Checked.ToString();
            string strIsShowOnHomePage = ((CheckBox)row.FindControl("chkIsShowOnHomePage")).Checked.ToString();


            var oServiceCategory = new ServiceCategory();

            if (e.CommandName == "PerformInsert")
            {
                strImageName = oServiceCategory.ServiceCategoryInsert(
                    strServiceCategoryName,
                    strServiceCategoryNameEn,
                    strConvertedServiceCategoryName,
                    strDescription,
                    strDescriptionEn,
                    strContent,
                    strContentEn,
                    strMetaTitle,
                    strMetaTitleEn,
                    strMetaDescription,
                    strMetaDescriptionEn,
                    strImageName,
                    strParentID,
                    strIsShowOnMenu,
                    strIsShowOnHomePage,
                    strIsAvailable
                );

                string strFullPath = "~/res/servicecategory/" + strImageName;

                if (!string.IsNullOrEmpty(strImageName))
                {
                    FileImageName.UploadedFiles[0].SaveAs(Server.MapPath(strFullPath));
                    ResizeCropImage.ResizeByCondition(strFullPath, 40, 40);
                }
                RadGrid1.Rebind();
            }
            else
            {
                var dsUpdateParam = ObjectDataSource1.UpdateParameters;
                var strServiceCategoryID = row.GetDataKeyValue("ServiceCategoryID").ToString();
                var strOldImageName = ((HiddenField)row.FindControl("hdnImageName")).Value;
                var strOldImagePath = Server.MapPath("~/res/servicecategory/" + strOldImageName);

                dsUpdateParam["ServiceCategoryName"].DefaultValue = strServiceCategoryName;
                dsUpdateParam["ServiceCategoryNameEn"].DefaultValue = strServiceCategoryNameEn;
                dsUpdateParam["ConvertedServiceCategoryName"].DefaultValue = strConvertedServiceCategoryName;
                dsUpdateParam["Description"].DefaultValue = strDescription;
                dsUpdateParam["DescriptionEn"].DefaultValue = strDescriptionEn;
                dsUpdateParam["Content"].DefaultValue = strContent;
                dsUpdateParam["ContentEn"].DefaultValue = strContentEn;
                dsUpdateParam["ImageName"].DefaultValue = strImageName;
                dsUpdateParam["ParentID"].DefaultValue = strParentID;
                dsUpdateParam["IsShowOnMenu"].DefaultValue = strIsShowOnMenu;
                dsUpdateParam["IsShowOnHomePage"].DefaultValue = strIsShowOnHomePage;
                dsUpdateParam["IsAvailable"].DefaultValue = strIsAvailable;

                if (!string.IsNullOrEmpty(strImageName))
                {
                    var strFullPath = "~/res/servicecategory/" + strConvertedServiceCategoryName + "-" + strServiceCategoryID + strImageName.Substring(strImageName.LastIndexOf('.'));

                    if (File.Exists(strOldImagePath))
                        File.Delete(strOldImagePath);

                    FileImageName.UploadedFiles[0].SaveAs(Server.MapPath(strFullPath));
                    ResizeCropImage.ResizeByCondition(strFullPath, 40, 40);
                }
            }
        }
        if (e.CommandName == "DeleteImage")
        {
            var oServiceCategory = new ServiceCategory();
            var lnkDeleteImage = (LinkButton)e.CommandSource;
            var s = lnkDeleteImage.Attributes["rel"].ToString().Split('#');
            var strServiceCategoryID = s[0];
            var strImageName = s[1];

            oServiceCategory.ServiceCategoryImageDelete(strServiceCategoryID);
            DeleteImage(strImageName);
            RadGrid1.Rebind();
        }
    }