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System.InvalidOperationException: Invalid attempt to call Read when reader is closed.
at System.Data.SqlClient.SqlDataReader.TryReadInternal(Boolean setTimeout, Boolean& more)
at System.Data.SqlClient.SqlDataReader.Read()
at System.Data.Linq.SqlClient.ObjectReaderCompiler.ObjectReaderBase`1.Read()
at System.Data.Linq.SqlClient.ObjectReaderCompiler.ObjectReader`2.MoveNext()
at System.Data.Linq.EntitySet`1.Load()
at System.Data.Linq.EntitySet`1.get_Count()
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source)
at CompiledRazorTemplates.Dynamic.badaebffbbbf.Execute()
at RazorEngine.Templating.TemplateBase.Run(ExecuteContext context)
at System.Web.Mvc.HtmlTemplateBase`1.Run(ExecuteContext context)
at CMS.Core.ITemplateExtensions.Run[T](ITemplate template, T Model)
at CMS.Core.ITemplateExtensions.Parse[T](String template, T Model)

Leading Publishers in Bangladesh

@{ var s = ERP.Data.Service.BusinessService.ByType("Publisher").OrderByDescending(i => i.Party.RelatedProducts.Count()).ToList();} @foreach (var item in s.Take(20)) {
@item.Name
@item.Name
@item.Party.NativeName
@item.Party.RelatedProducts.Count()
}
Error: 
Value cannot be null.
Parameter name: writer

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Low-Cost Masking/NonMasking SMS in Bangladesh - Alpha SMS

A National Archive of Information

170

Publishers

Featuring complete portfolio & virtual showroom of 170 active Publishers in Bangladesh.

4,623

Authors

Portfolio of an ever growing list of legends. About 4,623 Bengali authors & Poets of the past, present & future.

29,332

Books

A complete online catalog of Bangla books. From the everlasting classics to modern literature of the future generation.