The first type: CSS implementation nbsp; The second type: JavaScript implementation HTML+JS+CSS realization of Click on the image to pop up the upload file window two ways
asp.net multiple file uploads using the HTML control's file control, you need to add the "enctype=" Multipart/form-data "" in the form.
Up3.aspx File Code
Copy Code code as follows:
Borderwidth= "1px" height= "20px" width= "60px" >
Up3.aspx.cs File Code
Copy Code code as follows:
Using System;
Using System.Collections.Generic;
Using System.Linq;
Using System.Web;
Using System.Web.UI;
Using System.Web.UI.WebControls;
HTML code
JS Code
Single File Upload
function Uploadfilemethodsinglefile ()
{
var filecontroller = $ctx + "/fankuicontroller/savefiles"; The background address//FormData object that receives the uploaded file is
var fileName = document.getElementById ("file"). Value;
Alert (GetPath (fileobj));
var form = new FormData ();
var fileobj = document.getEle
In html elements, the only control that can upload files is
It is worth noting that when a form contains this upload element, the form's enctype must be specified as multipart/form-data, and the method must be specified as post, the browser will recognize and correctly execute. However, the browser only allows users to click However, there is a way to obtain the
Html Js function Getfiletype (FilePath) {Gets the suffix name of the filevar startIndex = Filepath.lastindexof (".");if (startIndex! =-1)Return filepath.substring (startindex+1, filepath.length);else return "";}function UploadFile (obj, type) {var FilePath = $ ("#excel_input"). Val ();if (""! = FilePath) {var fileType = Getfiletype (FilePath);Determine if the uploaded attachment is a Word file and an Excel fileif ("Doc"!=filetype "docx"!=filetype "
Recently wrote the project needs to upload the image function but the browser comes with the button style is not bear to look straight, certainly to be modified, there are many methods on the Internet (self-check ...), I used a trickery method: is the function of the indirect call in the btn when clicked, let it perform the image selection functionAlthough the code is very simple but the effect is obvious, no longer need to worry about the selector st
How do I upload multiple files using HTML? I search Chinese how also can not find the appropriate, is to use JS dynamic add input, and then submit, do not meet what I want--open the window to select files to select multiple files at once.Then I try to search the English "HTML input file multiple", finally found an article in StackOverflow: http://stackoverflow.co
Most of the time, we need to save the picture data on the Web or the picture inside the canvas to the server. The HTML5 already provides the available interfaces.
Canvas's Todataurl method, you can export canvas data on canvas to a string format. We just need to transfer the string to the server.
What if the image is an IMG tag?
Very simply, Canvas provides the DrawImage method for drawing img or other canvas data onto your canvas.
Below, let's look at the client's code:
var cc = window.documen
Select Image: The browser uses the method property setting to route data from the form to the server for processing. There are two methods: the POST method and the GET method.If the POST method is used, the browser will send the data in the following two steps. First, the browser will contact the form processing server specified in the Action property, and once the connection is established, the browser will send the data to the server in a segmented transfer.On the server side, once the POST-st
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