private void btnUpdateUser_Click(object sender, EventArgs e)
        {
            //判断是否选中
            if (dgvUser.SelectedRows.Count <= 0)
            {
                return;
            }
            //获取选中行 修改操作
            frmAddUser frm_edit_user = new frmAddUser();
            UserBLL    bll           = new UserBLL();

            User model = bll.GetUserrByUserId(Convert.ToInt32(dgvUser.SelectedRows[0].Cells[0].Value));

            if (model != null)
            {
                //查找到了该用户
                frm_edit_user.AddUserToEditUser(model);
                if (frm_edit_user.ShowDialog() == DialogResult.OK) //判断是否修改成功
                {
                    LoadAllUsersByDelFlag(0);                      //刷新
                }
            }
            else
            {
                //未查找到该用户,可能已被其它用户删除
                SelfForm.Msbox.Show("该用户可能已被删除,请重试");
                LoadAllUsersByDelFlag(0);   //刷新
            }
        }
        private void btnAddUser_Click(object sender, EventArgs e)
        {
            if (current_user.current_role.System_manage != 1)
            {
                Msbox.Show("亲~ 没权限哦--");
                (sender as Control).Enabled = false;//关闭该控件
                return;
            }
            frmAddUser frm_add_user = new frmAddUser();

            frm_add_user.Show();
        }