System.InvalidOperationException: ExecuteReader 必須有開啟與可用的 Connection。連接目前的狀態為開啟。 於 System.Data.SqlClient.SqlConnection.GetOpenConnection(String method) 於 System.Data.SqlClient.SqlConnection.ValidateConnectionForExecute(String method, SqlCommand command) 於 System.Data.SqlClient.SqlCommand.ValidateCommand(String method, Boolean async) 於 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) 於 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) 於 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) 於 System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) 於 System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior) 於 System.Data.Common.DbDataAdapter.Fill(Int32 startRecord, Int32 maxRecords, DataTable[] dataTables) 於 WebLibs.DB.DbComLib.QuerySingle(String CmdText, CommandType cmdType, Object[] values) 於 WebLibs.DB.DbComLib.QuerySingle(String cmdText, Object[] values) 於 WebSite.Menu.GetWebSite_Menu_From_Doc_ID(String sStart_PAGE_ID, Int32 nStart_Level, String sCurDoc_ID, String& sStartPage_Banner, String& sResponsiveMenu, String& siteNav_Menu, String& WebPage_CurPageName, Boolean& IsWebDoc_Timelimt, String& sCurPage_ID, WebDoc_Property& oWebDoc_SEO, WebPageSEO_Property& oPage_SEOHeader)