EasyShop/Account/RegisterExternalLogin.aspx.cs

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using System;
using System.Web;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.AspNet.Membership.OpenAuth;

namespace EasyShop.Account
{
    public partial class RegisterExternalLogin : System.Web.UI.Page
    {
        protected string ProviderName
        {
            get { return (string)ViewState["ProviderName"] ?? String.Empty; }
            private set { ViewState["ProviderName"] = value; }
        }

        protected string ProviderDisplayName
        {
            get { return (string)ViewState["ProviderDisplayName"] ?? String.Empty; }
            private set { ViewState["ProviderDisplayName"] = value; }
        }

        protected string ProviderUserId
        {
            get { return (string)ViewState["ProviderUserId"] ?? String.Empty; }
            private set { ViewState["ProviderUserId"] = value; }
        }

        protected string ProviderUserName
        {
            get { return (string)ViewState["ProviderUserName"] ?? String.Empty; }
            private set { ViewState["ProviderUserName"] = value; }
        }

        protected void Page_Load()
        {
            if (!IsPostBack)
            {
                ProcessProviderResult();
            }
        }

        protected void logIn_Click(object sender, EventArgs e)
        {
            CreateAndLoginUser();
        }

        protected void cancel_Click(object sender, EventArgs e)
        {
            RedirectToReturnUrl();
        }

        private void ProcessProviderResult()
        {
            // 处理请求中的身份验证提供程序返回的结果
            ProviderName = OpenAuth.GetProviderNameFromCurrentRequest();

            if (String.IsNullOrEmpty(ProviderName))
            {
                Response.Redirect(FormsAuthentication.LoginUrl);