How to perform a row lock?

Question

I want to lock one record and then no one may make changes to that record. When I release the lock, then people may change the record.

In the meantime that a record

Answer 1

See this duplicate question on SO.

Basically it's:

begin tran

select * from [table] with(holdlock,rowlock) where id = @id

--Here goes your stuff

commit tran

Archive

Something like this maybe?

update t 
set t.IsLocked = 1 
from [table] t 
where t.id = @id

Somewhere in the update trigger:

if exists (
select top 1 1 
from deleted d 
join inserted i on i.id = d.id
where d.IsLocked = 1 and i.RowVersion <> d.RowVersion)
begin
print 'Row is locked'
rollback tran
end