protected void Page_Load(object sender, EventArgs e)
        {
            var list = friendsOperationBal.Admin_AllFriendOperations();

            FriendsOperationListView.DataSource = list;
            FriendsOperationListView.DataBind();
        }
        protected void Delete_Command(object sender, CommandEventArgs e)
        {
            int Id     = int.Parse((string)e.CommandArgument);
            var result = friendsOperationBal.RemoveFriendOperation(Id);

            if (result.IsSuccess == true)
            {
                Page.ClientScript.RegisterStartupScript(GetType(), "Scripts", "<script>alert('" + result.Message + "');</script>");

                var list = friendsOperationBal.Admin_AllFriendOperations();

                FriendsOperationListView.DataSource = list;
                FriendsOperationListView.DataBind();
            }
        }