Visible in Telerik 2012 vs Visible in telerik 2013

[Khuyến]

<telerik:GridBoundColumn HeaderText="PromotionSKUGroup" UniqueName="PromotionSKUGroup" DataField="PromotionSKUGroup"   Visible="true"  EmptyDataText="" >
   </telerik:GridBoundColumn>

//code cs
 foreach (GridDataItem item in RG.Items)
                    {

                        string sku = item["PromotionSKUGroup"].Text;
}

Telerik 2012 Q2: string sku = item["PromotionSKUGroup"].Text; get text ok
but 2013 do not get text mush set Visible="true" and Display="false"
why???????

[Princy]

Hi Trung,

In order to hide a column and access its values in code behind we have to set Display="false".Please go through the following forum which discuss about the changes that occurred.
Breaking change

Thanks,
Princy