[SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +700
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +89
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +6368782
System.Data.SqlClient.SqlConnection.Open() +300
System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +67
[EntityException: The underlying provider failed on Open.]
System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +11079070
System.Data.EntityClient.EntityConnection.Open() +142
System.Data.Objects.ObjectContext.EnsureConnection() +97
System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +66
System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() +47
System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source) +271
System.Linq.Queryable.SingleOrDefault(IQueryable`1 source, Expression`1 predicate) +590
ProductDetail.Page_Load(Object sender, EventArgs e) +658
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3064
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