public static byte[] ToExcel <T>(this T items, string sheetName = null) where T : List <Dictionary <string, string> >
 {
     return(DictionaryToExcel.CreateExcel(items, scheme =>
     {
         scheme.SheetName = sheetName;
     }));
 }
 public static byte[] ToExcel <T>(this T items, Action <DictionaryToExcelScheme <T> > schemeBuilder) where T : List <Dictionary <string, string> >
 {
     return(DictionaryToExcel.CreateExcel(items, schemeBuilder));
 }