[InvalidOperationException: ExecuteReader requires an open and available Connection. The connection's current state is open.]
System.Data.SqlClient.SqlConnection.GetOpenConnection(String method) +3321179
System.Data.SqlClient.SqlConnection.ValidateConnectionForExecute(String method, SqlCommand command) +98
System.Data.SqlClient.SqlCommand.ValidateCommand(String method, Boolean async) +310
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) +155
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +83
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +198
System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult) +1651
System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +187
System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +410
System.Data.Linq.DataQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() +52
System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +416
System.Linq.Enumerable.ToList(IEnumerable`1 source) +70
System.Data.Linq.Provider.BindingList.Create(DataContext context, IEnumerable`1 sequence) +112
System.Data.Linq.DataQuery`1.System.ComponentModel.IListSource.GetList() +23
System.Web.UI.DataSourceHelper.GetResolvedDataSource(Object dataSource, String dataMember) +65
System.Web.UI.WebControls.ReadOnlyDataSource.System.Web.UI.IDataSource.GetView(String viewName) +53
System.Web.UI.WebControls.DataBoundControl.ConnectToDataSourceView() +203
System.Web.UI.WebControls.DataBoundControl.GetData() +10
System.Web.UI.WebControls.DataBoundControl.PerformSelect() +74
System.Web.UI.WebControls.ListView.PerformSelect() +125
Pack___Company___CMS.article.Page_Load(Object sender, EventArgs e) in H:\W+CMS\64 - aznanews.ir\aznanews.ir\Pack - Company + CMS & Website - Responsive\Pack - Company + CMS\article.aspx.cs:50
System.Web.UI.Control.OnLoad(EventArgs e) +106
System.Web.UI.Control.LoadRecursive() +68
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785