vert very urgent problem

[stecal]

What alapps wrote will work for you - you need to add "drop" after offline.

alter database open;
select name, status from v$datafile; will show that your datafile is now offline.

[raghud]

Thanks for all the guys that helped me to solve the problem .

alapps advise worked , I am just typing wrong full name (wrong drive) ..

offline drop worked .. Now I can open my database .

[raghud]

Thanks stecal
worked greate ...