Export to excel Sharepoint 2010 data view web part using Javascript without using any custom code.

function exportToExcel(strTableID ) // Function to Export the Table Data to Excel.

{

//var strTableID = "{B509589B-7F27-4638-B431-9458560F6870}-{G_AA5F8FE4_A574_4A79_BD96_BBCAB621737E}";  // It's the Table ID of Table in Webpart

 


var detailsTable = document.getElementById(strTableID);
var columns = detailsTable.getElementsByTagName("th");
var oExcel = new ActiveXObject("Excel.Application"); 
var oBook = oExcel.Workbooks.Add; 
var oSheet = oBook.Worksheets(1); 
for(i=0;i<columns.length;i++){
	   			oSheet.cells(1,i+1).value= columns[i].innerText; //XlSheetHeader[i];
	   			oSheet.cells(1,i+1).font.color="6";
	   			oSheet.cells(1,i+1).font.bold="true";
	   	      oSheet.cells(1,i+1).interior.colorindex="15";
	   	      oSheet.cells(1,i+1).columnwidth =20;
			}
for (var y=0;y<detailsTable.rows.length;y++) 
// detailsTable is the table where the content to be exported is 
{ 
    for (var x=0;x<detailsTable.rows(y).cells.length;x++) 
    { 
        oSheet.Cells(y+1,x+1) = detailsTable.rows(y).cells(x).innerText; 
    } 
} 

oSheet.columns.autofit;
oExcel.Visible = true; 
oExcel.UserControl = true; 
}