收到错误 - 请求类型 'System.Net.Mail.SmtpPermission 的权限

Question

我遇到错误 - "Request for the permission of type 'System.Net.Mail.SmtpPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed."

代码

    string name = txtName.Text.Trim();
    string email = txtemail.Text.Trim();
    string phone = txtPhoneNum.Text.Trim();
    string companyname = txtcmpnm.Text.Trim();
    string subject = txtsubject.Text.Trim();
    System.IO.StringWriter sw = new System.IO.StringWriter();
    HtmlTextWriter hw = new HtmlTextWriter(sw);
    System.IO.StreamReader r = null;
    r = new System.IO.StreamReader(Server.MapPath("~/ContactMail.txt"));
    string body = r.ReadToEnd();

    body = body.Replace("<%Name%>", name);
    body = body.Replace("<%email%>", email);
    body = body.Replace("<%phonenum%>", txtPhoneNum.Text.Trim());
    body = body.Replace("<%message%>", txtmsg.Text.Trim());


    try
    {


    using (MailMessage mm = new MailMessage(email, "xyz@gmail.com"))
    {
        mm.IsBodyHtml = true;
        mm.Subject = subject;
        mm.Body = body;

        SmtpClient smtp = new SmtpClient();
        smtp.Host = "smtp.gmail.com";
        smtp.EnableSsl = true;
        NetworkCredential NetworkCred = new NetworkCredential("krishna@gmail.com", "password");
        smtp.UseDefaultCredentials = true;
        smtp.Credentials = NetworkCred;
        smtp.Port = 587;
        smtp.Send(mm);
        ClientScript.RegisterStartupScript(GetType(), "alert", "alert('Email sent.');", true);
    }
}

Answer 1

Web.Cofig:-

检查您的 web.config 并添加此标签代码...

<trust level="Full" originUrl="" />
<customErrors mode="Off"/>

收到错误 - 请求类型 'System.Net.Mail.SmtpPermission 的权限

getting error - Request for the permission of type 'System.Net.Mail.SmtpPermission

c#

asp.net

smtp

smtpclient