Server Error in '/' Application.

Named Pipes Provider: Could not open a connection to SQL Server [53].

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.Data.SqlClient.SqlException: Named Pipes Provider: Could not open a connection to SQL Server [53].

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: 


[SqlException (0x80131904): Named Pipes Provider: Could not open a connection to SQL Server [53]. ]
   System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +212
   System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +81
   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) +631
   System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) +4412
   System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() +58
   System.Data.SqlClient.SqlDataReader.get_MetaData() +89
   System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted) +438
   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) +2620
   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) +1700
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +64
   System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +255
   System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +37
   System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) +10
   System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +138
   System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +134
   System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) +85
   Unisoft.Payments.DataAccess.CBankMasterList.FillUserData(String cmdName, String paramRoutNo, String paramRoutNoValue) +272
   Unisoft.Payments.DataAccess.CBankMasterList.GetBankRoutingNo(String RoutingNo) +60
   Unisoft.Payments.BusinessFacade.CPaymentSystem.GetBankRoutingNo(String RoutingNo) +187
   Unisoft.EFinance.WebModule.QuoteModule.IsValidRoutingNo(String Number) in C:\Projects\VS2022\FinanceComponents\Unisoft.PFC.Inquiry\Unisoft.EFinance.WebModule\EFinance\Partial\QuoteModule.Validation.vb:1032
   Unisoft.EFinance.WebModule.QuoteModule.ProcessContract(ProcessQuoteAction QuoteAction) in C:\Projects\VS2022\FinanceComponents\Unisoft.PFC.Inquiry\Unisoft.EFinance.WebModule\EFinance\Partial\QuoteModule.Quote.Persist.vb:4059
   Unisoft.EFinance.WebModule.equote.btnProcessContract_Click(Object sender, EventArgs e) in C:\Projects\VS2022\FinanceComponents\Unisoft.PFC.Inquiry\Unisoft.EFinance.WebModule\EFinance\Quotes\equote.aspx.vb:261
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +109
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +108
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +31
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3478