Server Error in '/tse' Application.

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)

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: 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)

Source Error:


Line 33:         //string sql = argsSql;
Line 34:         SqlConnection conn_tqr = new SqlConnection(m_connStr_tqr);
Line 35:         conn_tqr.Open();
Line 36: 
Line 37:         SqlCommand cmd;

Source File: d:\WWWRoot\tse\App_Code\CS\DALTradeRoom.cs    Line: 35

Stack Trace:


[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) +134
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +89
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +6368782
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +6368782
   System.Data.SqlClient.SqlConnection.Open() +300
   CDBAccess.mf_retriveData(String argsSql) in d:\WWWRoot\tse\App_Code\CS\DALTradeRoom.cs:35
   CDBAccess.mf_retriveData(String argsSql) in d:\WWWRoot\tse\App_Code\CS\DALTradeRoom.cs:35
   CPriceInfo.mf_getData(String argsCode, String argsPriceType) in d:\WWWRoot\tse\App_Code\CS\CPriceInfo.cs:93
   CPriceInfo.mf_getData(String argsCode, String argsPriceType) in d:\WWWRoot\tse\App_Code\CS\CPriceInfo.cs:93
   CQuote2FB.mf_Best5() in d:\WWWRoot\tse\quote2FB.aspx.cs:127
   CQuote2FB.Page_Load(Object sender, EventArgs e) in d:\WWWRoot\tse\quote2FB.aspx.cs:63
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   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


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1031