StreamReader and "using" statement

[blackjack2150]

Hi.
In my application I write errors which may occur to text file like this:

using(StreamRea der sw = new SteamReader(err ors.txt, true))
{
sw.WriteLine("E rror message here");
}

Sometimes, the program says that it cannot open "errors.txt " because it is being used by another process. The only process that might be using it is my application. So basically it's a file lock problem.

Question: If I use the StreamReader inside a "using" statement, is it necessary to call "Close()" it after I call "WriteLine( )"?

Or if you know of a better approach, please suggest.

Thanks.

[mikeyeli]

Sorry double posted..

[mikeyeli]

Hi.
In my application I write errors which may occur to text file like this:

using(StreamRea der sw = new SteamReader(err ors.txt, true))
{
sw.WriteLine("E rror message here");
}

Sometimes, the program says that it cannot open "errors.txt " because it is being used by another process. The only process that might be using it is my application. So basically it's a file lock problem.

Question: If I use the StreamReader inside a "using" statement, is it necessary to call "Close()" it after I call "WriteLine( )"?

Or if you know of a better approach, please suggest.

Thanks.

this statement:

StreamReader sw = new SteamReader(errors.txt, true)

assigns an open stream to sw.

so yes you must close it.

why do you need to use a "using" statement?

[r035198x]

this statement:

StreamReader sw = new SteamReader(errors.txt, true)

assigns an open stream to sw.

so yes you must close it.

why do you need to use a "using" statement?

The using actually closes that stream automatically.

[mikeyeli]

The using actually closes that stream automatically.

oh i didnt know that, thanks for the correction r035198x.

[Plater]

Under what conditions is this statement being hit?
Is it being done in or called from an event handler?
Is it possible it could still be trying to write the data from a previous call when another one comes in and tries to write, so it errors?