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POA bug in win7 about ASP.Net Download file to client browser?
 

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    <p>Let me say:</p> <p>Click the first link pop up the save as box,then click cancel。Next,</p> <p>Click the second link pop up the save as box,then click cancel。Next,</p> <p>Click the third link pop up the save as box,then click cancel。</p> <p>At the moment,The pop up box do not show and the page same as busying!</p> <p>The condition just in win7 . In XP no problem.</p> <p>Sorry for my bad english! Index.aspx:</p> <pre><code>&lt;a href="ShowFile.aspx?fileID=1" &gt;download&lt;/a&gt; &lt;a href="ShowFile.aspx?fileID=2" &gt;download&lt;/a&gt; &lt;a href="ShowFile.aspx?fileID=3"&gt;download&lt;/a&gt; &lt;a href="ShowFile.aspx?fileID=4" &gt;download&lt;/a&gt; </code></pre> <p>ShowFile.aspx.cs:</p> <pre><code>protected void Page_Load(object sender, EventArgs e) { Page.Response.Clear(); bool success = ResponseFile(Page.Request, Page.Response, "1.doc", @"d:\1.doc", 1024000); if (!success) Response.Write("dowload error！"); Page.Response.End(); } public static bool ResponseFile(HttpRequest _Request, HttpResponse _Response, string _fileName, string _fullPath, long _speed) { try { FileStream myFile = new FileStream(_fullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); BinaryReader br = new BinaryReader(myFile); try { _Response.AddHeader("Accept-Ranges", "bytes"); _Response.Buffer = false; long fileLength = myFile.Length; long startBytes = 0; double pack = 10240; //10K bytes //int sleep = 200; // int sleep = (int)Math.Floor(1000 * pack / _speed) + 1; if (_Request.Headers["Range"] != null) { _Response.StatusCode = 206; string[] range = _Request.Headers["Range"].Split(new char[] { '=', '-' }); startBytes = Convert.ToInt64(range[1]); } _Response.AddHeader("Content-Length", (fileLength - startBytes).ToString()); if (startBytes != 0) { //Response.AddHeader("Content-Range", string.Format(" bytes {0}-{1}/{2}", startBytes, fileLength-1, fileLength)); } _Response.AddHeader("Connection", "Keep-Alive"); _Response.ContentType = "application/octet-stream"; _Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(_fileName, System.Text.Encoding.UTF8)); br.BaseStream.Seek(startBytes, SeekOrigin.Begin); int maxCount = (int)Math.Floor((fileLength - startBytes) / pack) + 1; for (int i = 0; i &lt; maxCount; i++) { if (_Response.IsClientConnected) { _Response.BinaryWrite(br.ReadBytes(int.Parse(pack.ToString()))); Thread.Sleep(sleep); } else { i = maxCount; } } } catch { return false; } finally { br.Close(); myFile.Close(); } } catch { return false; } return true; } </code></pre>
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    1. USDarin Dimitrov
    1. USuser1662936
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    1. COIts better to use a handler for download files, anyway, in the aspx disable the session for this page and try again.
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      1. USAristos
    2. CO@Aristos－Thanks for your help,you are right! disable the session .work like a charm。you are my star
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    3. COOk, then I make it an answer
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