Retrieve the yesterday code wrote in salespackingslipjournalcreate class

hi i wrote some code in Salespackingslipjournalcreate class for my requirement

yesterday is done… after that i have done some modifications…

now i want the code what i wrote before modifications can we get that…

please help in this…

Have you checked previous modifications into a version control system?

Hi,

If the objects are added to version control then it is possible to retrieve the code, Otherwise it is difficult.

Thanks