I want to download a content from invoice integrated service platform,
Think the webbrowser in c # to achieve
But don't want to the pop-up dialog box, the default save to a location,

CodePudding user response:

Download, as if first request to the server, and then to save, I can't think of display system default download dialog box, and let him save the default to a directory

CodePudding user response:

The up
The download as if is to call a js then to the server address

CodePudding user response:

webrequest

CodePudding user response:

It is not necessary to use webbrowser? Set to download and you said I do, silent download to the specified location, but completely silent seems blocked by some "security software, add a loading, if you look at the use, the code is moved to the CSDN forget what is the great god wrote

 
///& lt; Summary> 
///c # and the.net download file 
///& lt;/summary> 
///& lt; Param name="URL" & gt; Download address & lt;/param> 
///
///& lt; Param name="Filename" & gt; After the download store address & lt;/param> 
///& lt; Param name="Prog" & gt; Used to display the progress bar & lt;/param> 
///
Public void DownloadFile (URL string, the string filename, ProgressBar prog) 
{
Float percent=0; 
Try 
{
HttpWebRequest Myrq=(HttpWebRequest) WebRequest. Create (URL); 
HttpWebResponse myrp=(HttpWebResponse) Myrq. The method GetResponse (); 
Long totalBytes=myrp. ContentLength; 
If (prog!=null) 
{
Prog. Maximum=(int) totalBytes; 
} 
The Stream st=myrp. GetResponseStream (); 
The Stream so=new FileStream (filename, FileMode. Create); 
Long totalDownloadedByte=0; 
Byte [] by=new byte [1024]. 
Int osize=st. Read (by 0, (int) by. Length); 
While (osize & gt; 0) 
{
TotalDownloadedByte=osize + totalDownloadedByte; 
Application.DoEvents(); 
So, the Write (by 0, osize); 
If (prog!=null) 
{
Prog. Value=https://bbs.csdn.net/topics/totalDownloadedByte (int); 
} 
Osize=st. Read (by 0, (int) by. Length); 

Percent=(float) totalDownloadedByte/(float) totalBytes * 100; 
Persent. Text="download updates" + percent. The ToString () + "%, please do not shut down the software"; 
Application.DoEvents(); 
} 
So, Close (); 
St. Close (); 

Persent. Visible=false; 
ProgressBar1. Visible=false; 
} 
The catch (Exception) 
{
Throw; 
} 
}