ckfinder wont recognize role?

RoleSessionVar = "CKFinder_UserRole"; 

    string currentRole= ""; 
 
    if(HttpContext.Current.User.IsInRole("Administrators")) 
    { 
        currentRole = "Administrators";  
 } 
    else 
    { 
        if (HttpContext.Current.User.IsInRole("Editors")) 
            currentRole = "Editors"; 
        else 
        { 
            if (HttpContext.Current.User.IsInRole("Contributors")) 
            { 
                currentRole = "Contributors"; 
            } 
        } 
    } 
 
    RoleSessionVar = currentRole; 

AccessControl acl = AccessControl.Add(); 
    acl.Role = "*"; 
acl.ResourceType = "*"; acl.Folder = "/";

    acl.FolderView = true; 
    acl.FolderCreate = true; 
    acl.FolderRename = true; 
    acl.FolderDelete = true; 
 
    acl.FileView = true; 
    acl.FileUpload = true; 
    acl.FileRename = true; 
    acl.FileDelete = true;  

AccessControl acl = AccessControl.Add(); 
    acl.Role = "Administrators"; 
acl.ResourceType = "*"; acl.Folder = "/";

    acl.FolderView = true; 
    acl.FolderCreate = true; 
    acl.FolderRename = true; 
    acl.FolderDelete = true; 
 
    acl.FileView = true; 
    acl.FileUpload = true; 
    acl.FileRename = true; 
    acl.FileDelete = true;