在ASP.NET MVC中的默认成员资格提供程序中保存电子邮件更改

public class MyMembershipProvider : MembershipProvider
{
    // 实现MembershipProvider的通用方法
}

<configuration>
  <connectionStrings>
    <add name="MyConnectionString" connectionString="Data Source=localhost;Initial Catalog=MyDB;User ID=MyUser;Password=MyPassword;" providerName="MyMembershipProvider" />
  </connectionStrings>
  <membership>
    <providers>
      <clear />
      <add name="MyMembershipProvider"
           type="MyNamespace.MyMembershipProvider"
           connectionStringName="MyConnectionString"
           enablePasswordRetrieval="false"
           enablePasswordReset="true"
           requiresQuestionAndAnswer="false"
           requiresUniqueEmail="true"
           passwordFormat="Hashed"
           maxInvalidPasswordAttempts="5"
           minRequiredPasswordLength="6"
           minRequiredNonalphanumericCharacters="0"
           passwordAttemptWindow="10"
           passwordChangeScript="~/Scripts/MyPasswordChange.sql"
           applicationName="/"
           />
    </providers>
  </membership>
</configuration>

// 获取MembershipProvider的实例
MembershipProvider membershipProvider = Membership.Provider;

// 更改用户的电子邮件
membershipProvider.UpdateUser(username, newPassword);