把密码转为md5的形式

using System.Web.Security; 
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Write("123的MD吗是" + FormsAuthentication.HashPasswordForStoringInConfigFile("123","MD5"));
    }

        string pwd = txtpassword.Text.Trim();
        //把密码转为md5的形式
        pwd = FormsAuthentication.HashPasswordForStoringInConfigFile(pwd, "MD5");
       bool b=LoginManager.Login(name,pwd );