protected void Btn_ChangePassword_Click(object sender, EventArgs e)
    {
        AdminModel adminModel = new AdminModel();

        adminModel.AdminUsername = Session["adminUsername"].ToString();
        adminModel.AdminPassword = this.NewPassword.Text.ToString();
        AdminLogic adminLogic = new AdminLogic();

        if (adminLogic.ChangePassword(adminModel))
        {
            this.ErrMessage.Text = "<font color=red>密码修改成功!</font>";
        }
        else
        {
            this.ErrMessage.Text = "<font color=red>密码修改失败!</font>";
        }
    }