how gridpanel column field vaule convert when DataBinding at server-side code?

[new163_2]

my have one requirement:
query database binding gridpanel

SELECT  t.DueDate ,
        t.LineTotal ,
        t.ModifiedDate ,
        t.OrderQty ,
        t.ProductID ,
        t.PurchaseOrderDetailID ,
        t.PurchaseOrderID ,
        t.ReceivedQty ,
        t.RejectedQty ,
        t.StockedQty ,
        t.UnitPrice FROM  Purchasing.PurchaseOrderDetail t

when t.ProductID binding gridpanel column convert to ProductName ; execute

select ProdctName from Product where ProductID=@ProductID

use Column Renderer Fn call directMethod is asynchronous operation so don't update column value.

have any solution?

if asp.net control GridView on RowDataBound at server-side convert value

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
                    //convert value    
                     ......
                        
        }