string selectedName = dpdCourse.SelectedItem.Value; var crs = DB.Courses.Where(c => c.Name == selectedName).First(); IEnumerable< GaduatedStudent> gaduatedStd = DB.Users.OfType<GaduatedStudent>().Where(gdt => gdt.Id == crs.GdtStdUN); GridGaduated.DataSource = gaduatedStd; GridGaduated.DataBind();
Constructor on type 'System.Data.Linq.Provider.DataBindingList`1[[User, App_Code.x9wmex0v, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null]]' not found.
var
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