Collection was modified; enumeration operation may not execute. at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
at System.Linq.Enumerable.d__25`1.MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at Catalog.GetProducts(HeiserProduct lp, SelectedProductView view, SqlConnection conn) in e:\wwwroot\Heiser2015\Catalog.aspx.cs:line 1379
at Catalog.ProductGalleryView(HeiserProduct lp, SqlConnection conn, SelectedProductView ViewType) in e:\wwwroot\Heiser2015\Catalog.aspx.cs:line 455
at Catalog.FillGalleryView(HeiserProduct lp, SqlConnection conn) in e:\wwwroot\Heiser2015\Catalog.aspx.cs:line 403
Heiser > OEM System Components