c# convert excel to xml

gistfile1.cs

  OleDbConnection objConnection;
        DataSet objDs;
        OleDbDataAdapter objCommand;

 
 string strExcelPath = "C:\\MyExcel.xlsm";

            if (Path.GetExtension(strExcelPath) == ".xls")
            {
                objConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + strExcelPath + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=2\"");
            }
            else if (Path.GetExtension(strExcelPath) == ".xlsx")
            {
                objConnection = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + strExcelPath + ";Extended Properties='Excel 12.0;HDR=YES;IMEX=1;';");
            }
            else if (Path.GetExtension(strExcelPath) == ".xlsm")
            {
                objConnection = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + strExcelPath + ";Extended Properties='Excel 12.0 Macro;IMEX=1;';");
            }

            objCommand = new System.Data.OleDb.OleDbDataAdapter("select * from [Sheet1$]", objConnection);
            
            objCommand.TableMappings.Add("Table", "Product");
            objDs = new System.Data.DataSet();
            objCommand.Fill(objDs);
            objConnection.Close();
            objDs.WriteXml("Product.xml");