Bind Crystal report data to Excel sheet

using System.IO;// namespace for Memorystream

your_Call_event
{

       
            string repName = "MY REPORT";
            MemoryStream oStream;
            oStream = (MemoryStream)
            CRYSTAL_REP_NAME.ExportToStream(CrystalDecisions.Shared.ExportFormatType.Excel);
            Response.Clear();
            Response.Buffer = true;
            CRYSTAL_REP_NAME.ExportToHttpResponse(ExportFormatType.Excel, Response, false, repName);
            Response.BinaryWrite(oStream.ToArray());
            HttpContext.Current.ApplicationInstance.CompleteRequest();
           
}