Directory/File Permission Issue

I wrote code to set permission of the folder. Function I developed was

public void SetPermission(string user,FileSystemRights rights)
    DirectoryInfo dInfo = new DirectoryInfo(folderPath);
    DirectorySecurity oDirectorySecurity = new DirectorySecurity();

    oDirectorySecurity.AddAccessRule(new FileSystemAccessRule(user, rights, AccessControlType.Allow));

This function is working fine to set permission for the user. But when I check folder Properties -> Security , user added. But no permission is checked in checkbox Open Advanced dialogbox. In this box I can see permission , which i set for the user.

So my question is Why there is no checkbox seleced on security tab, but it is there in advanced tab?

Please HELP me!!!!!!


I ran into this as well. It seems to be a Service Patch thing.

You can read how I fixed it at

The short version: You have to set a flag for all of the ACLs for all users. Yes... it's ugly. And when you add Service Pack 3, the checkmarks go away again. If anyone has a cleaner solution than this, PLEASE let me know.

I have code for that on my site.

UPDATE: The URL now points to the new site.

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