When i run the package inside Integration Service runs fine... I changed the way i connect and now i get this error. (The error it is only when i run the package inside a Job on Sql Server Agent)

Source: Inserta Horas Hombre Empleados ADO NET Source [337] Description: System.Data.Odbc.OdbcException: ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified at System.Data.Odbc.OdbcConnection.HandleError(OdbcHandle hrHandle<c/> RetCode retcode) at System.Data.Odbc.OdbcConnectionHandle..ctor(OdbcConnection connection<c/> OdbcConnectionString constr<c/> OdbcEnvironmentHandle environmentHandle) at System.Data.Odbc.OdbcConnectionOpen..ctor(OdbcConnection outerConnection<c/> OdbcConnectionString connectionOptions) at System.Data.Odbc.OdbcConnectionFactory.CreateConnection(DbConnectionOptions options<c/> Object poolGroupProviderInfo<c/> DbConnectionPool pool<c/> DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection<c/> DbConnectionPoolGroup poolGroup) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)