C# 如果(addressesToSend.Length>0) addressesToSend.Append(“,”); addressossend.Append(addressList[userIndex]); if(sendCount==5 | | userIndex==addressList.Count-1) { SendEmail(addressesToSend.ToString(),“”,“每周新安全测验通知”,正文,true); addressesToSend.Clear(); sendCount=0; } }
以下是如何拆分列表:(请注意,这是伪代码,我没有测试过) 此外,这将每五个用户发送一封电子邮件。你可以随意增加金额C# 如果(addressesToSend.Length>0) addressesToSend.Append(“,”); addressossend.Append(addressList[userIndex]); if(sendCount==5 | | userIndex==addressList.Count-1) { SendEmail(addressesToSend.ToString(),“”,“每周新安全测验通知”,正文,true); addressesToSend.Clear(); sendCount=0; } },c#,asp.net,C#,Asp.net,以下是如何拆分列表:(请注意,这是伪代码,我没有测试过) 此外,这将每五个用户发送一封电子邮件。你可以随意增加金额 var sEMailAddresses = sbEmailAddresses.ToString(); string link = "<a href='http://pmv/pssp/StartQuiz.aspx?testid=" + quizid + "'> Click here to participate </a>"; string body = @"G
var sEMailAddresses = sbEmailAddresses.ToString();
string link = "<a href='http://pmv/pssp/StartQuiz.aspx?testid=" + quizid + "'> Click here to participate </a>";
string body = @"Good day, <br /><br />
<b> Please participate in the new short safety quiz </b>"
+ link +
@"<br /><br />
Also, give yourself a chance to gain more safety culture by reading the PMOD Newsletter.
<br /> <br /><br /> <br />
This email was generated using the <a href='http://pmv/pssp/Default.aspx'>PMOD Safety Services Portal (PSSP) </a>.
Please do not reply to this email.
";
int sendCount = 0;
List<string> addressList = new List<string>(sEMailAddresses.Split(','));
StringBuilder addressesToSend = new StringBuilder();
for (int userIndex = 0; userIndex < addressList.Count; userIndex++)
{
sendCount++;
if (addressesToSend.Length > 0)
addressesToSend.Append(",");
addressesToSend.Append(addressList[userIndex]);
if (sendCount == 5 || userIndex == addressList.Count - 1)
{
SendEmail(addressesToSend.ToString(), "", "Notification of New Weekly Safety Quiz", body, true);
addressesToSend.Clear();
sendCount = 0;
}
}
var sEMailAddresses=sbEmailAddresses.ToString();
字符串链接=”;
字符串正文=@“你好,
请参加新的简短安全测验“
+链接+
@“
此外,通过阅读PMOD时事通讯,给自己一个获得更多安全文化的机会。
此电子邮件是使用生成的。
请不要回复此电子邮件。
";
int sendCount=0;
List addressList=新列表(sEMailAddresses.Split(',');
StringBuilder addressesToSend=新建StringBuilder();
对于(int userIndex=0;userIndex0)
addressesToSend.Append(“,”);
addressossend.Append(addressList[userIndex]);
if(sendCount==5 | | userIndex==addressList.Count-1)
{
SendEmail(addressesToSend.ToString(),“”,“每周新安全测验通知”,正文,true);
addressesToSend.Clear();
sendCount=0;
}
}
首先要与公司管理员确认您使用的是正确的电子邮件服务器信息(SMTP主机、端口等),切勿写入throw ex
。它会破坏堆栈跟踪。摆脱那个catch
块。我正在使用我们公司的邮件服务器。根据他们的政策:请不要使用邮件服务器同时向多个用户发送多封电子邮件。那么解决方案是什么呢?在这种情况下,将用户列表拆分为较小的列表并发送多封电子邮件。此外,您正在将db记录标记为在发送消息之前已发送。你应该在成功发送邮件后才这样做。有趣的是,你实际上只向一大群收件人发送了一封电子邮件。创建一个邮件组,每个人都在其中(比如“安全测验用户”),然后只发送一封电子邮件作为“收件人”地址。首先,请与公司管理员确认您使用的是正确的电子邮件服务器信息(SMTP主机、端口等),切勿写入throw ex
。它会破坏堆栈跟踪。摆脱那个catch
块。我正在使用我们公司的邮件服务器。根据他们的政策:请不要使用邮件服务器同时向多个用户发送多封电子邮件。那么解决方案是什么呢?在这种情况下,将用户列表拆分为较小的列表并发送多封电子邮件。此外,您正在将db记录标记为在发送消息之前已发送。你应该在成功发送邮件后才这样做。有趣的是,你实际上只向一大群收件人发送了一封电子邮件。创建一个包含所有人的邮件组(比如“安全测验用户”)并发送一封电子邮件作为“收件人”地址如何?谢谢您的帮助,我非常感谢。但是我现在不知道应该在哪里使用你的代码。你能告诉我在我上面的代码中我应该在哪里使用你的代码吗?在你用SendEmail方法发送电子邮件的地方使用它。您将使用var semailaddress=sbEmailAddresses.ToString()代替addresses字符串;好的,谢谢。我会试试看,如果还有别的事,我会回来找你。对不起,问了个问题lot@Geotarget更正。谢谢。谢谢你的帮助,我真的很感激。但是我现在不知道应该在哪里使用你的代码。你能告诉我在我上面的代码中我应该在哪里使用你的代码吗?在你用SendEmail方法发送电子邮件的地方使用它。您将使用var semailaddress=sbEmailAddresses.ToString()代替addresses字符串;好的,谢谢。我会试试看,如果还有别的事,我会回来找你。对不起,问了个问题lot@Geotarget更正。谢谢
protected void Page_Load(object sender, EventArgs e)
{
SendEmailTOAllUser();
}
protected void SendEmail(string toAddresses, string fromAddress, string MailSubject, string MessageBody, bool isBodyHtml)
{
SmtpClient sc = new SmtpClient("MAIL.companyDomainName.com");
try
{
MailMessage msg = new MailMessage();
msg.From = new MailAddress("pssp@companyDomainName.com", "PMOD Safety Services Portal (PSSP)");
// In case the mail system doesn't like no to recipients. This could be removed
//msg.To.Add("pssp@companyDomainName.com");
msg.Bcc.Add(toAddresses);
msg.Subject = MailSubject;
msg.Body = MessageBody;
msg.IsBodyHtml = isBodyHtml;
//Response.Write(msg);
sc.Send(msg);
}
catch (Exception ex)
{
throw ex;
}
}
protected void SendEmailTOAllUser()
{
string connString = "Data Source=localhost\\sqlexpress;Initial Catalog=psspEmail;Integrated Security=True";
using (SqlConnection conn = new SqlConnection(connString))
{
var sbEmailAddresses = new System.Text.StringBuilder(1000);
string quizid = "";
// Open DB connection.
conn.Open();
string cmdText = "SELECT MIN (QuizID) As mQuizID FROM dbo.QUIZ WHERE IsSent <> 1";
using (SqlCommand cmd = new SqlCommand(cmdText, conn))
{
SqlDataReader reader = cmd.ExecuteReader();
if (reader != null)
{
while (reader.Read())
{
// There is only 1 column, so just retrieve it using the ordinal position
quizid = reader["mQuizID"].ToString();
}
}
reader.Close();
}
string cmdText2 = "SELECT Username FROM dbo.employee";
using (SqlCommand cmd = new SqlCommand(cmdText2, conn))
{
SqlDataReader reader = cmd.ExecuteReader();
if (reader != null)
{
while (reader.Read())
{
var sName = reader.GetString(0);
if (!string.IsNullOrEmpty(sName))
{
if (sbEmailAddresses.Length != 0)
{
sbEmailAddresses.Append(",");
}
// Just use the ordinal position for the user name since there is only 1 column
sbEmailAddresses.Append(sName).Append("@companyDomainName.com");
}
}
}
reader.Close();
}
string cmdText3 = "UPDATE dbo.Quiz SET IsSent = 1 WHERE QuizId = @QuizID";
using (SqlCommand cmd = new SqlCommand(cmdText3, conn))
{
// Add the parameter to the command
var oParameter = cmd.Parameters.Add("@QuizID", SqlDbType.Int);
// Get a local copy of the email addresses
var sEMailAddresses = sbEmailAddresses.ToString();
string link = "<a href='http://startQuiz.aspx?testid=" + quizid + "'> Click here to participate </a>";
string body = @"Good day, <br /><br />
<b> Please participate in the new short safety quiz </b>"
+ link +
@"<br /><br />
SendEmail(sEMailAddresses, "", "Notification of New Weekly Safety Quiz", body, true);
// Update the parameter for the current quiz
oParameter.Value = quizid;
// And execute the command
cmd.ExecuteNonQuery();
}
conn.Close();
}
}
var sEMailAddresses = sbEmailAddresses.ToString();
string link = "<a href='http://pmv/pssp/StartQuiz.aspx?testid=" + quizid + "'> Click here to participate </a>";
string body = @"Good day, <br /><br />
<b> Please participate in the new short safety quiz </b>"
+ link +
@"<br /><br />
Also, give yourself a chance to gain more safety culture by reading the PMOD Newsletter.
<br /> <br /><br /> <br />
This email was generated using the <a href='http://pmv/pssp/Default.aspx'>PMOD Safety Services Portal (PSSP) </a>.
Please do not reply to this email.
";
int sendCount = 0;
List<string> addressList = new List<string>(sEMailAddresses.Split(','));
StringBuilder addressesToSend = new StringBuilder();
for (int userIndex = 0; userIndex < addressList.Count; userIndex++)
{
sendCount++;
if (addressesToSend.Length > 0)
addressesToSend.Append(",");
addressesToSend.Append(addressList[userIndex]);
if (sendCount == 5 || userIndex == addressList.Count - 1)
{
SendEmail(addressesToSend.ToString(), "", "Notification of New Weekly Safety Quiz", body, true);
addressesToSend.Clear();
sendCount = 0;
}
}