Thanx Thanx Kelley.......

just got it...i was adding aspnet account on wrong place....i just add it in databases/CVSystem/ users.......... and its working now...........although it is...

Yah Kelley but that was 1 of my different tries..i have tried with that fitfd10\ASPNET slash also..

same error:

bad username of password...

infact i have 2 different computer with 2 different sql...

once again thanx kelley!......i have done all u said......my iis and sql server is on same pc......but its not adding window login account fitfd10/ASPNET i tried much more by changing...

thanx yah that was windows authentication mode......but problem is still there as i use windows authentication mode and windows user account as use following connection string but it is giving...