Server Error in '/' Application.

ExecuteReader requires an open and available Connection. The connection's current state is connecting.

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: ExecuteReader requires an open and available Connection. The connection's current state is connecting.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[InvalidOperationException: ExecuteReader requires an open and available Connection. The connection's current state is connecting.]
   System.Data.SqlClient.SqlConnection.GetOpenConnection(String method) +2585837
   System.Data.SqlClient.SqlConnection.ValidateConnectionForExecute(String method, SqlCommand command) +78
   System.Data.SqlClient.SqlCommand.ValidateCommand(String method, Boolean async) +274
   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) +119
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +65
   System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +170
   System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +43
   System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) +12
   System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +140
   System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior) +162
   System.Data.Common.DbDataAdapter.Fill(DataTable dataTable) +111
   marsbilgisayarnetv2.cSql.FillDataTable(SqlCommand Command) +120
   marsbilgisayarnetv2.cSql.Select(CommandType CmdType, String CommandText) +62
   marsbilgisayarnetv2.cProduct.BreadCrumb(Int32 KategoriID) +86
   marsbilgisayarnetv2.Default.Page_Load(Object sender, EventArgs e) +293
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0