Newtonsoft.Json.JsonConvert partially used

Datatable Export

Newtonsoft.Json.JsonConvert.SerializeObject(DbHelperSQL.ExecuteDataTable(sqlstr), Newtonsoft.Json.Formatting.None, new Newtonsoft.Json.Converters.DataTableConverter())

 

Like for export

context.Response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(guiM));