If you're using a visualforce page have a look at this blog post by Jeff Douglas. There is sample code that demonstrates how to use an <apex:inputFile> to achieve this.
Where exactly you want to add/upload your resume in detail page ,If you you can add and inline VF page or you can add standard attcahment in your related list . Please confirm .
You can upload an attachment of size 5mb ,I don't think you have resume more then 5mb size .
All Answers
If you're using a visualforce page have a look at this blog post by Jeff Douglas. There is sample code that demonstrates how to use an <apex:inputFile> to achieve this.
http://blog.jeffdouglas.com/2010/04/22/uploading-a-document-using-visualforce-and-a-custom-controller/
Hope that helps,
Clint
Where exactly you want to add/upload your resume in detail page ,If you you can add and inline VF page or you can add standard attcahment in your related list .
Please confirm .
VF can be part
You can upload an attachment of size 5mb ,I don't think you have resume more then 5mb size .