what version of sharpbox dll is best to communicate dropbox account from sharepoint2010

Oct 31, 2012 at 10:01 AM

Hi,

i have a requirement  like  to communicate dropbox from sharepoint environment , i need to read keys ( api key, apisecreat, user name , password,) from sharepoint2010 environment and need to perform CRUD operations from sharepoint2010 . for this entire things i have to develop custom web part in sharepoint 2010 which version of  sharpbox dll is feasible  i  want sharpbox dll  which are less that net3.5 frame work please provide any useful information to me i should not use any web based authentication url aproach