Server Error in '/' Application.

Error in FillDropDownList-> System.Exception: IITMS.SQLServer.SQLDAL.SQLHelper.ExecuteScalarSP-> System.Data.SqlClient.SqlException (0x80131904): Cannot open database "DB_Mannar_Web" requested by the login. The login failed.
Login failed for user 'Mannar_Web'.
  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:36067075-4484-4f8b-8887-435a1bda450e
Error Number:4060,State:1,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): Cannot open database "DB_Mannar_Web" requested by the login. The login failed.
Login failed for user 'Mannar_Web'.
  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:36067075-4484-4f8b-8887-435a1bda450e
Error Number:4060,State:1,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): Cannot open database "DB_Mannar_Web" requested by the login. The login failed.
Login failed for user 'Mannar_Web'.
   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:36067075-4484-4f8b-8887-435a1bda450e
Error Number:4060,State:1,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
   ShivajiCollegeNagpur.Master_Page.Home.Page_Load(Object sender, EventArgs e) +1060
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Control.LoadRecursive() +162
   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