Default binding in WCF

When you add Wcf service library then  wsHttp
ans when you add Wcf Service Appllication then basicHttp

so we can basicHttp is dedault binding

Get Distinct Record only from datatable in C# Linq

    //----------Get Distinct Record only
                                

                    var distinctNames = (from row in dtGridSeries.AsEnumerable()

                                                      select row.Field<string>("Parameter Type")).Distinct();

        List<string> lstSelectedParamList = distinctNames.ToList();  // Get data in List

                                

       DataTable dtUnique = dtGridSeries.DefaultView.ToTable(true, "ColName");