public frmPermissionConfig(int fid)
{
InitializeComponent();
_fileUsersPreAdd = new List <ACL_File_User>();
_fileUsersPreDelete = new List <ACL_File_User>();
_fileDepsPreAdd = new List <File_Department>();
_fileDepsPreDelete = new List <File_Department>();
_fileID = fid;
_users = _userBll.GetAllUser();
_deps = _depBll.GetAll();
_fileUsersOriginal = _fileBll.GetUserShareFiles(fid);
_fileDepsOriginal = _fileBll.GetDepShareFiles(fid);
}