/// <summary>
        /// 创建用户添加窗体
        /// </summary>
        public void CreateUserWindow()
        {
            frmCreateUser fcu = new frmCreateUser();

            fcu.Owner = this;
            fcu.ShowDialog();
        }
        private void btnupdateuser_Click(object sender, EventArgs e)
        {
            frmCreateUser fcu = new frmCreateUser();

            fcu.Text  = "修改用户信息";
            fcu.Owner = this;
            fcu.ShowDialog();
        }