本文介绍了当tyr发送电子邮件时出错的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
发送电子邮件时出错
SqlConnection scon_forgott =
new SqlConnection（ ConfigurationManager.ConnectionStrings [ MyConnectionString]。ToString（））;
scon_forgott.Open（）;
DataTable dt = new DataTable（）;
SqlDataAdapter da = new SqlDataAdapter（ select *来自tbl_Users，其中Email =' + a.Text + '，
scon_forgott）;
da.Fill（dt）;
if （dt.Rows.Count > 0 ）
{
string newpass = Guid.NewGuid（）。ToString（）;
string hashPass = FormsAuthentication.HashPasswordForStoringInConfigFile（newpass， MD5）;
Classes.Users clsUsers = new Classes.Users（）;
DataSet ds = clsUsers.SelectRow_User（dt.Rows [ 0 ] [ 用户名]的ToString（））;
DataRow drRow = ds.Tables [ tbl_Users]。行[ 0 ];
clsUsers.updatePasswordNew（ int .Parse（drRow [ ID]。ToString（）），hashPass）;
MailMessage mail = new MailMessage（）;
mail.From = new MailAddress（ [email protected]）;
mail.To.Add（ new MailAddress（drRow [ 电子邮件]的ToString（）））。
mail.Subject = subjectttttt;
mail.Body = booooooooodddddyyyyyyyyy;
mail.IsBodyHtml = true ;
SmtpClient smtp = new SmtpClient（ smpt .mydomains.com）;
smtp.Credentials = new NetworkCredential（ [email protected]， bIXSg1a8）;
smtp.EnableSsl = false ;
smtp.Send（mail）;
Label lbl = LoginView1.FindControl（ lblError） as 标签;
lbl.ForeColor = Color.ForestGreen;
lbl.Text = 发送新通行证;
}
else
{
Label lbl = LoginView1.FindControl（ lblError） as 标签;
lbl.ForeColor = Color.Red;
lbl.Text = 找不到用户;
}
和我的错误
连接尝试失败，因为已连接派对在一段时间后没有正确回复，或者建立连接失败，因为连接主机...
如何解决它。
解决方案
i have a error when send email
SqlConnection scon_forgott =
new SqlConnection(ConfigurationManager.ConnectionStrings["MyConnectionString"].ToString());
scon_forgott.Open();
DataTable dt = new DataTable();
SqlDataAdapter da = new SqlDataAdapter("select * from tbl_Users where Email='" + a.Text + "'",
scon_forgott);
da.Fill(dt);
if (dt.Rows.Count > 0)
{
string newpass = Guid.NewGuid().ToString();
string hashPass = FormsAuthentication.HashPasswordForStoringInConfigFile(newpass, "MD5");
Classes.Users clsUsers = new Classes.Users();
DataSet ds = clsUsers.SelectRow_User(dt.Rows[0]["UserName"].ToString());
DataRow drRow = ds.Tables["tbl_Users"].Rows[0];
clsUsers.updatePasswordNew(int.Parse(drRow["ID"].ToString()), hashPass);
MailMessage mail = new MailMessage();
mail.From = new MailAddress("[email protected]");
mail.To.Add(new MailAddress(drRow["Email"].ToString()));
mail.Subject = "subjectttttt";
mail.Body ="booooooooodddddyyyyyyyyy";
mail.IsBodyHtml = true;
SmtpClient smtp = new SmtpClient("smpt.mydomains.com");
smtp.Credentials = new NetworkCredential("[email protected]", "bIXSg1a8");
smtp.EnableSsl = false;
smtp.Send(mail);
Label lbl = LoginView1.FindControl("lblError") as Label;
lbl.ForeColor = Color.ForestGreen;
lbl.Text ="send new pass";
}
else
{
Label lbl = LoginView1.FindControl("lblError") as Label;
lbl.ForeColor = Color.Red;
lbl.Text = "user not found";
}
and my error
A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host ...
how to resolve it.
解决方案
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