c# - shield ui chart: generate series dynamically? -


is there way add series chart without knowing ahead of time how many series in it? example want graph on x axis month on variable selection of years. each year series.

i thought binding ienumerable while grouping year--and creating series on each group item, couldn't envision code.

i got work custom helper (htmlhelper extension method). adapted example http://demos.shieldui.com/aspnet/aspnet-chart/programmatic-chart-creation, example asp.net web forms. i'm doing mvc. solution involved using chartbuilder<> object within helper.

public static class chartextensions {     public static chartbuilder<propertypivotaverageamountpermonth_result> annualcomparison(this htmlhelper html, int id)     {         mydatabaseentities db = new mydatabaseentities();         var results = db.propertypivotaverageamountpermonth(id);         chartbuilder<propertypivotaverageamountpermonth_result> chart = new chartbuilder<propertypivotaverageamountpermonth_result>(html, results);          chart.axisx(axisx => axisx.categoricalvalues("jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"));         chart.primaryheader(header => header.text("annual cost comparisons"));           foreach (var year in results)         {             chart.dataseries(s => s.line()                 .collectionalias(year.year.tostring())                 .data(new object[]                     {                         new { x=0, y=year.c1 },                         new { x=1, y=year.c2 },                         new { x=2, y=year.c3 },                         new { x=3, y=year.c4 },                         new { x=4, y=year.c5 },                         new { x=5, y=year.c6 },                         new { x=6, y=year.c7 },                         new { x=7, y=year.c8 },                         new { x=8, y=year.c9 },                         new { x=9, y=year.c10 },                         new { x=10, y=year.c11 },                         new { x=11, y=year.c12 }                     }));         }         return chart;     }

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