ASP.NET

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FCKConfig.ImageBrowserWindowWidth  = FCKConfig.ScreenWidth * 0.7 ;	// 70% ;<br />
FCKConfig.ImageBrowserWindowHeight = FCKConfig.ScreenHeight * 0.7 ;	// 70% ;<br />

I appreciate your help all the time...
CodingLover

Excel.Application WRExcel = null;
            Excel.Workbooks WRwbs = null;


            Excel._Workbook WRwb = null;
            Excel.Sheets WRss = null;

            Excel._Worksheet WRws = null;
            object objOpt = System.Reflection.Missing.Value;

            if (System.IO.File.Exists("C:\\Excel1.xls"))
            {
                //Delete The Existing Excel Sheet
                System.IO.File.Delete("C:\\Excel1.xls");
            }
            //create Excel spreadsheet

            WRExcel = new Excel.Application();

            WRwb = WRExcel.Workbooks.Add(objOpt); // My Error Occurs Here

            WRss = (Excel.Sheets)WRwb.Worksheets;

            WRws = (Excel._Worksheet)(WRss.get_Item(1));

            //create Excel column headings

            WRws.Cells[1, 1] = "Part Number.";

            WRws.Cells[1, 2] = "Kit Part.";

            WRws.Cells[1, 3] = "Description";

            WRws.Cells[1, 4] = "Reason For Reject";


            WRws.Cells[2, 1] = RowNo.Trim();

            WRws.Cells[2, 2] = ColumnNo.Trim();

            WRws.Cells[2, 3] = ErrorMsg.Trim();

            WRws.Cells[2, 4] = Filename;
            
            //save workbook

            WRwb.SaveAs("C:\\Excel1.xls", objOpt, objOpt, objOpt, objOpt, Opt,                 Excel.XlSaveAsAccessMode.xlNoChange, objOpt, objOpt, objOpt, objOpt, objOpt);

            //close workbook

            WRwbs.Close();