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Server Error in '/' Application.

Sequence contains no elements

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: Sequence contains no elements Source Error:
Line 28: } Line 29: Line 30: tblProduct pro = db.tblProducts.Single(n => n.Language == Profile.Culture && n.ProductID == GetID_News(productid).ToString()); Line 31: Line 32: lbldes.Text = pro.Description;
Source File: c:\inetpub\vhosts\daihoangtan.com\httpdocs\Products\ProductDetail.aspx.cs Line: 30 Stack Trace:
[InvalidOperationException: Sequence contains no elements] System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult) +3266 System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +189 System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +428 System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +51 Products_ProductDetail.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\daihoangtan.com\httpdocs\Products\ProductDetail.aspx.cs:30 System.Web.UI.Control.OnLoad(EventArgs e) +108 System.Web.UI.Control.LoadRecursive() +90 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4676.0

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