using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Telerik.Web.UI;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            foreach (GridColumn column in RadGrid1.MasterTableView.RenderColumns)
            {
                if (column is GridBoundColumn && column.UniqueName == "UnitPrice")
                {
                    column.HeaderText = "UnitsInStock";
                    column.SortExpression = "UnitsInStock";
                    ((GridBoundColumn)column).DataField = "UnitsInStock";
                }
            }
        }
    }
}