我正在做一个电子邮件表单。电子邮件有附件,并在附加文件后发送电子邮件。接下来需要从服务器删除文件。当我试图获取文件时,它给了我主题错误。我什至在删除文件之前调用了 GC.Collect(),但错误仍然存在。我删除文件的代码是:
private void DeleteFiles(DataTable dt)
{
GC.Collect();
String[] sAttachments = new String[dt.Rows.Count];
try
{
sAttachments = new String[dt.Rows.Count];
for (Int32 J = 0; J < dt.Rows.Count; J++)
{
sAttachments[J] = dt.Rows[J]["AttachmentExt"].ToString().Trim();
string workDir = Server.MapPath(".") + @"\upload\";
if (File.Exists(workDir + sAttachments[J]))
File.Delete(workDir + sAttachments[J]);
}
}
catch (Exception ex)
{
}
要将文件附加到电子邮件,我的代码是:
oMess.Subject = sSubject;
string workDir = System.Web.HttpContext.Current.Server.MapPath(".") + @"\upload\";
if (Attachments != null)
{
for (Int32 I = 0; I < Attachments.Length; I++)
{
oatt = new Attachment(workDir+ sAttachments[I]);
oMess.Attachments.Add(oatt);
}
}
oMess.IsBodyHtml = IsHtml;
oMess.Body = sBody;
SendMessageGmail(oMess);
编辑:我的邮件发送代码是:
private void SendMessageGmail(MailMessage message)
{
SmtpClient client = new SmtpClient("smtp.gmail.com");
client.EnableSsl = true;
client.UseDefaultCredentials = false;
NetworkCredential loginInfo = new NetworkCredential("myid", "mypassword");
client.Credentials = loginInfo;
client.Port = 587;
client.Send(message);
}
请指导和帮助。谢谢
最佳答案
使用这个。它对我有用
client.Send(oMess);
oMess.Attachments.Dispose();
这个我试过了,但是没用
client.Send(oMess);
oMess.Dispose();
关于c# - 电子邮件删除附件后,错误 "The process cannot access the file because it is being used by another process.",我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5819810/