System.Data.SqlClient.SqlException (0x80131904): Named Pipes Provider: Could not open a connection to SQL Server [2]. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest) at 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) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) at Agrotech.Pages.ifr_showpartners.ExecuteStoredProcedure(String connectionstring, SqlCommand command) in C:\01-Projects\02-Websites\01-AGROGROUP\Live\Agrogroup.site_v18.2.3\Pages\ifr_showpartners.aspx.cs:line 140 at Agrotech.Pages.ifr_showpartners.GetPartnersByCode(String prefid) in C:\01-Projects\02-Websites\01-AGROGROUP\Live\Agrogroup.site_v18.2.3\Pages\ifr_showpartners.aspx.cs:line 114 at Agrotech.Pages.ifr_showpartners.BuildDealerData() in C:\01-Projects\02-Websites\01-AGROGROUP\Live\Agrogroup.site_v18.2.3\Pages\ifr_showpartners.aspx.cs:line 92 ClientConnectionId:8008eba1-1b48-46b3-b158-5fe6c253a555 Error Number:2,State:1,Class:16