Error Message Doesn't Include Line Number?

Jan 27, 2010

We're trying to write an error tracking solution for our sites and ran into something interesting. Sometimes the error exception includes the actual file and line number that the error occurred on and other times it doesn't. Is there a setting somewhere that we need to change to enable the file and line number to be returned? The two situations are each on a different server. Do we need to change something on the server?

Examples, with error file and line number:

System.IndexOutOfRangeException: Intro at System.Data.ProviderBase.FieldNameLookup.GetOrdinal(String fieldName) at System.Data.SqlClient.SqlDataReader.GetOrdinal(String name) at System.Data.SqlClient.SqlDataReader.get_Item(String name) at AccountUser.get_PracticeInfo(String sUserName) in C:xxxxxxxxxxxxeta.xxxxxxx.comAccountUser.vb:line 106

Without line number:

System.NullReferenceException: Object reference not set to an instance of an object. at Dealers_Toolbox_UserEdit.LoadRoles()

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