Server Error in '/' Application.

Error in FillDropDownList-> System.Exception: IITMS.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP-> System.Data.SqlClient.SqlException (0x80131904): Connection Timeout Expired.  The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement.  This could be because the pre-login handshake failed or the server was unable to respond back in time.  The duration spent while attempting to connect to this server was - [Pre-Login] initialization=0; handshake=11394;  ---> System.ComponentModel.Win32Exception (0x80004005): The wait operation timed out
  at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
  at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
  at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
  at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
  at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
  at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
  at System.Data.SqlClient.SqlConnection.Open()
  at MasterSoft.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP(String query, SqlParameter[] parameters)
ClientConnectionId:2b698f22-87c2-469a-94b9-a6eab4de388e
Error Number:-2,State:0,Class:11
  at MasterSoft.MasterSoftException..ctor(String exception)
  at MasterSoft.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP(String query, SqlParameter[] parameters)
  at MasterSoft.FD.BusinessLogicLayer.BusinessLogic.Common.Common.LookUp(String tablename, String columnname, String wherecondition)

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.Exception: Error in FillDropDownList-> System.Exception: IITMS.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP-> System.Data.SqlClient.SqlException (0x80131904): Connection Timeout Expired.  The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement.  This could be because the pre-login handshake failed or the server was unable to respond back in time.  The duration spent while attempting to connect to this server was - [Pre-Login] initialization=0; handshake=11394;  ---> System.ComponentModel.Win32Exception (0x80004005): The wait operation timed out
  at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
  at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
  at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
  at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
  at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
  at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
  at System.Data.SqlClient.SqlConnection.Open()
  at MasterSoft.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP(String query, SqlParameter[] parameters)
ClientConnectionId:2b698f22-87c2-469a-94b9-a6eab4de388e
Error Number:-2,State:0,Class:11
  at MasterSoft.MasterSoftException..ctor(String exception)
  at MasterSoft.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP(String query, SqlParameter[] parameters)
  at MasterSoft.FD.BusinessLogicLayer.BusinessLogic.Common.Common.LookUp(String tablename, String columnname, String wherecondition)

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:


[Exception: Error in FillDropDownList-> System.Exception: IITMS.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP-> System.Data.SqlClient.SqlException (0x80131904): Connection Timeout Expired.  The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement.  This could be because the pre-login handshake failed or the server was unable to respond back in time.  The duration spent while attempting to connect to this server was - [Pre-Login] initialization=0; handshake=11394;  ---> System.ComponentModel.Win32Exception (0x80004005): The wait operation timed out
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
   at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   at System.Data.SqlClient.SqlConnection.Open()
   at MasterSoft.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP(String query, SqlParameter[] parameters)
ClientConnectionId:2b698f22-87c2-469a-94b9-a6eab4de388e
Error Number:-2,State:0,Class:11
   at MasterSoft.MasterSoftException..ctor(String exception)
   at MasterSoft.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP(String query, SqlParameter[] parameters)
   at MasterSoft.FD.BusinessLogicLayer.BusinessLogic.Common.Common.LookUp(String tablename, String columnname, String wherecondition)]
   MasterSoft.MasterSoftException..ctor(String exception) +90
   MasterSoft.FD.BusinessLogicLayer.BusinessLogic.Common.Common.LookUp(String tablename, String columnname, String wherecondition) +667
   RSMundle.Default.Page_Load(Object sender, EventArgs e) +704
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0