上传后如何删除文件 [英] How I Delete File after uploading

问题描述

string savePath = Server.MapPath("\\Upload_File\\");
        // Get the name of the file to upload.
        string fileName = email_attach.FileName;
        string pathToCheck = savePath + fileName;

email_attach.SaveAs(pathToCheck);
                string file = pathToCheck;
                Attachment data = new Attachment(file);
                mail.Attachments.Add(data);
                SmtpServer.Port = 587;
                SmtpServer.Credentials = new System.Net.NetworkCredential("[e-mail]", "1234ASDF");
                SmtpServer.EnableSsl = true;
                SmtpServer.Send(mail);
                email_attach.Dispose();
                 FileInfo file_Delete = new FileInfo(pathToCheck);
                 if (file_Delete.Exists)
                 {
                     file_Delete.GetAccessControl();
                     file_Delete.Delete();
                 }

当我这样做时会引发异常，例如

when i did this it throws exception like

An exception of type 'System.IO.IOException' occurred in mscorlib.dll but was not handled in user code

Additional information: The process cannot access the file 'C:\Users\User\Documents\Visual Studio 2013\WebSites\Email_Sent_Web\Upload_File\DMP.edx' because it is being used by another process.

我如何解决plz帮助，感谢Advance

how i solve plz help ,thanks in Advance

推荐答案

同时处理dependecy对象

Dispose the dependecy objects as well

SmtpServer.Send(mail);
           data.Dispose();
           data = null;
           email_attach.Dispose();
           email_attach = null;

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