Failed to update database E:WWWROOTAPPDATAASPNETDB.MDF because the database is read-only.

Hi,

I am using sql membership table to create users and role allocation etc. it is working absolutely fine.

now i have added webparts in page which also working good but when i click to minimize the webparts it gives me below error.

My question is i have sql membership table in my database then webparts is using mdf files from app data, please suggest solution.

Failed to update database "E:\WWWROOT\APP_DATA\ASPNETDB.MDF" because the database is read-only.