Implement multi-file upload in C #

xiaoxiao2021-03-06  36

UPLOAD.ASPX

<% @ Page language = "c #" codebehind = "UPLOAD.ASPX.CS" autoeventwireup = "false" inherits = "Webportal.upload"%> Multi-file upload </ title> <script language =" javascript "> function addfile () {var str = '<input type =" file "size =" 50 "name = "File"> 'Document.getlementByid (' myfile '). INSERTADJACENTHTML ("BeForeEnd", Str)} </ script> </ head> <body> <form id = "Form1" method = "runat =" server "ENCTYPE =" Multipart / Form-Data "> <div align =" center "> <h3> multi-file upload </ h3> <p id =" myfile> <input type = "file" size = "50" Name = "File"> </ p> <p> <input type = "Button" value = "increase (add)" οnclick = "addfile ()> <input οnclick =" this.form.reset () "type = "Button" Value = "Reset (Reset"> <ask: button runat = "server" text = "Start Upload" ID = "UploadButton"> </ asp: button> </ p> <p> <asp: Label id = "strStatus" runat = "server" font-name = "Song" font-bold = "true" font-size = "9pt" WIDT h = "500px" borderstyle = "none" bordercolor = "white"> </ asp: label> </ p> </ div> </ form> </ body> <</p> <p>/HTML>UPLOAD.ASPX.CS</p> <p>using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls Using system.Web.ui.htmlcontrols;</p> <p>Namespace Webportal {/// <summary> /// Upload summary description. /// multi file upload /// </ summary> public class Upload: System.Web.UI.Page {protected System.Web.UI.WebControls.Button UploadButton; protected System.Web.UI.WebControls.Label strStatus;</p> <p>Private void Page_load (Object Sender, System.EventArgs E) {// The user code is placed here to initialize the page if (this.ispostback) .saveImages ();</p> <p>Private Boolean SaveImages () {/// 'Traversed File Form Elements HTTPFILECOLLECTION FILES = httpContext.current.Request.Files;</p> <p>/// 'statin system.text.stringbuilder strmsg = new system.text.StringBuilder (); strmsg.Append ("Uploaded files are: <hr color = red>"; try {for (int ifile = 0 ; iFile <files.Count; iFile ) {/// 'checks the file name extension HttpPostedFile postedFile = files [iFile]; string fileName, fileExtension; fileName = System.IO.Path.GetFileName (postedFile.FileName); if (fileName! = "") {FileExtension = system.io.path.getextension (filename); strmsg.append ("Uploaded file type:" PostedFile.conteType.toString () "<br>"); strmsg.append (" Client file address: " PostedFile.FileName " <br> "); strmsg.append (" Upload file name: " filename " <br> "); strmsg.append (" Upload file extension : " FileExtension " <br> <hr> "); /// 'Saves to different folders according to the different names of the extension name /// Note: You may want to modify anonymous write permission for your folder. postedFile.SaveAs (System.Web.HttpContext.Current.Request.MapPath ( "images /") fileName);}} strStatus.Text = strMsg.ToString (); return true;} catch (System.Exception Ex) {strStatus .Text = ex.Message; Return False;}} #Region Web Form Designer Generated Code Override Protected Void OnNit (Eventargs E) {// // Codegen: This call is necessary for the ASP.NET Web Form Designer of. // InitializeComponent (); base.oninit (e);</p> <p>/// <summary> /// Designer supports the required method - do not use the code editor to modify the // / this method. /// </ summary> private void initializecomponent () {this.id = "Upload"; this.load = new system.eventhandler (this.page_load);} #ENDREGON}}</p></div><div class="text-center mt-3 text-grey"> 转载请注明原文地址:https://www.9cbs.com/read-64761.html</div><div class="plugin d-flex justify-content-center mt-3"></div><hr><div class="row"><div class="col-lg-12 text-muted mt-2"><i class="icon-tags mr-2"></i><span class="badge border border-secondary mr-2"><h2 class="h6 mb-0 small"><a class="text-secondary" href="tag-2.html">9cbs</a></h2></span></div></div></div></div><div class="card card-postlist border-white shadow"><div class="card-body"><div class="card-title"><div class="d-flex justify-content-between"><div><b>New Post</b>(<span class="posts">0</span>) </div><div></div></div></div><ul class="postlist list-unstyled"> </ul></div></div><div class="d-none threadlist"><input type="checkbox" name="modtid" value="64761" checked /></div></div></div></div></div><footer class="text-muted small bg-dark py-4 mt-3" id="footer"><div class="container"><div class="row"><div class="col">CopyRight © 2020 All Rights Reserved </div><div class="col text-right">Processed: <b>0.038</b>, SQL: <b>9</b></div></div></div></footer><script src="./lang/en-us/lang.js?2.2.0"></script><script src="view/js/jquery.min.js?2.2.0"></script><script src="view/js/popper.min.js?2.2.0"></script><script src="view/js/bootstrap.min.js?2.2.0"></script><script src="view/js/xiuno.js?2.2.0"></script><script src="view/js/bootstrap-plugin.js?2.2.0"></script><script src="view/js/async.min.js?2.2.0"></script><script src="view/js/form.js?2.2.0"></script><script> var debug = DEBUG = 0; 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