Response. addHeader ("Content-Disposition", "attachment; filename =" + HttpUtility. urlEncode (fileName, System. text. encoding. UTF8 ));Response. BinaryWrite (bytes );Response. Flush ();Response. End ();}} /*Four download methods are provided for reference:This article uses an example to introduce some basic knowledge of using C # For Internet communication programming. We know that the. Net class includes the request/response layer, application protocol layer, transmission layer, and other la
) // download{FileInfo DownloadFile = new FileInfo (FullFileName); // you can specify the object to be downloaded.Response. Clear (); // Clear all content output in the buffer streamResponse. ClearHeaders (); // clear all headers in the buffer streamResponse. Buffer = false; // set the Buffer output to false.// Set the http mime type of the output stream to application/octet-streamResponse. ContentType = "application/octet-stream ";// Add the HTTP hea
opened by the word program, and if the extension is PDF, It will be opened by the acrobat program, of course, the client must install corresponding application software.
(12) downloadfile ()How to download a file. Used to download files. Call method:Smartuploadobjectname. downloadfile (string sourcefilepathname) orSmartuploadobjectname. downloadfile (string sour
output stream.Response. contenttype = "application/MS-word"; // MIME type of the output streamResponse. Write (textbox1.text );Response. End (); // stop the output}
Why use clear ():
Not required. If you are calling response. writefile (picturefilename); previously written data to the buffer, for example, called: response. write ("ABC"); and you want the browser to display the image normally, then you need response. clear (); if not response. clear (); then the image may not be displayed normal
extension is PDF, It will be opened by the acrobat program, and so on ).
2. downloadfile
Purpose: download an object.
Prototype: The following three prototypes are available: the first one is the most commonly used, and the last two are used for downloading files in special circumstances (such as changing the content type and changing the file name of another storage ).
① Public void downloadfile (string s
Configure the Struts. xml file
"Struts. Enable. dynamicmethodinvocation"Value ="True"/> Change value to true. When an action is accessed, the action class is called and the execute method is not executed by default.
If it is false, which call Action to execute the execute method?
"Default"Namespace ="/"Extends ="Struts-Default"> Namespace: the prefix used to access action extends: It can inherit from other packages. Name: package name
"Validatebar"Class ="Net. dbet. Action. validatebaraction" Me
The gridview is wrapped up by updatepanel, but the gridview has a download imagebutton. If it is refreshed locally, the file cannot be downloaded.
Code Register the Download button in updatepanel. The whole page is PostBack every time you click it.
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Original Problem description: I checked the application version every 24 hours on the web server background. If the update is available, the system prompts you to download the new apk. [Java] Uri uri = Uri. parse (downloadURL); Intent intent = new Intent (Intent. ACTION_VIEW, uri); startActivity (intent); the above Code opens the user's browser and starts downloading. I don't want to open the browser, but I need to download the apk file. Or directly install the latest apk without opening other p
For example, the address to download the file is: Htpp://127.0.0.1/test.rarThis method has no effect on Firefox, it is available on IE browserwindow.open ("Htpp://127.0.0.1/test.rar");This method is not supported by some versions of FirefoxWindow.location.href= "Htpp://127.0.0.1/test.rar";In order to solve some versions of Firefox does not support, can be changed to this wayWindow.location= "Htpp://127.0.0.1/test.rar";//This method can be both IE and Firefox, //url represents the path of the fil
ways to do, I believe many people have heard the word datauri, more common is the image of the SRC, such as:Datauri's explanation can be here, I will not explain.So, now to download the content of JS generated by the laws. Encapsulated as a method as follows:function DownloadFile (ALink, fileName, content) {
Alink.download = FileName;Alink.href = "Data:text/plain," + content;}
After calling Download
downloaded file is an attachment, and the result is that IE will prompt for the save file. Instead of automatically opening this file (ie browser generally determines what to do based on the file name extension you download, the extension doc will be opened with a Word program, the extension PDF will be opened with Acrobat program, and so on).2, DownloadFilefunction: Download the file.Prototype: The following three prototypes are available, the first one is most commonly used, and the last two
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