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Asp.net mode window File Download Solution

Source: Internet
Author: User
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The idea of http://blog.163.com/red_guitar@126/blog/static/117206128201123845276/, put a shadow iframe in the modal window page.
First, we create a new modal window in the modal window a. aspx Java code
  1. <! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  3. <Html xmlns = "http://www.w3.org/1999/xhtml">
  4. <Head runat = "server">
  5. <Base target = "_ self"/>
  6. <Title> </title>
  7. </Head>
  8. <Body>
  9. <Form id = "form1" runat = "server">
  10. <Center>
  11. <Asp: LinkButton ID = "ibDownLoad" runat = "server" onclick = "ibDownLoad_Click"> click here to download the file </asp: LinkButton>
  12. </Center>
  13. <Iframe id = "download" runat = "server" style = "display: none;"> </iframe>
  14. </Form>
  15. </Body>
  16. </Html>
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

Background code: Java code


 
    
 
  
  1. Protected VoidIbDownLoad_Click (object sender, EventArgs e)
    2. 
 
  
  2. {
    3. 
 
  
  3. String filePath = Server. MapPath ("\ PDF \ a.txt ");
    4. 
 
  
  4. Download. Attributes ["src"] = "DownLoad. aspx? FilePath = "+ filePath;
    5. 
 
  
  5. }
    6. 

 


protected void ibDownLoad_Click(object sender, EventArgs e)          {              string filePath = Server.MapPath("\\PDF\\a.txt");              download.Attributes["src"] = "DownLoad.aspx?filePath=" + filePath;           }


Process DownLoad. aspx on the file DownLoad page. The page code is not written and written in the background code: Java code


 
    
 
  
  1. Protected VoidPage_Load (object sender, EventArgs e)
    2. 
 
  
  2. {
    3. 
 
  
  3. String filePath = Request. QueryString ["filePath"];
    4. 
 
  
  4. // String filePath = Server. MapPath ("\ PDF \ a.txt ");
    5. 
 
  
  5. If(File. Exists (filePath ))
    6. 
 
  
  6. {
    7. 
 
  
  7. FileInfo file =NewFileInfo (filePath );
    8. 
 
  
  8. Response. ContentEncoding = System. Text. Encoding. GetEncoding ("UTF-8"); // solve Chinese garbled characters
    9. 
 
  
  9. Response. AddHeader ("Content-Disposition", "attachment; filename =" + Server. UrlEncode (file. Name); // fix Chinese file Name garbled characters
    10. 
 
  
  10. // Response. AddHeader ("Content-Disposition", "attachment; filename =" + file. Name );
    11. 
 
  
  11. Response. AddHeader ("Content-length", file. Length. ToString ());
    12. 
 
  
  12. Response. ContentType = "appliction/octet-stream ";
    13. 
 
  
  13. Response. WriteFile (file. FullName );
    14. 
 
  
  14. Response. End ();
    15. 
 
  
  15. }
    16. 
 
  
  16. }
    17. 

 


Protected void Page_Load (object sender, EventArgs e) {string filePath = Request. queryString ["filePath"]; // string filePath = Server. mapPath ("\ PDF \ a.txt"); if (File. exists (filePath) {FileInfo file = new FileInfo (filePath); Response. contentEncoding = System. text. encoding. getEncoding ("UTF-8"); // solves Chinese garbled Response. addHeader ("Content-Disposition", "attachment; filename =" + Server. urlEncode (file. name); // solves Chinese file Name garbled characters // Response. addHeader ("Content-Disposition", "attachment; filename =" + file. name); Response. addHeader ("Content-length", file. length. toString (); Response. contentType = "appliction/octet-stream"; Response. writeFile (file. fullName); Response. end ();}}


OK. This will solve some problems such as clicking the download link in the modal window, or the pop-up prompt. From: http://269181927.javaeye.com/blog/865034

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