Selecting Folder name for saving files

Posted by Shoyebaziz123 under ASP.NET on 9/4/2013 | Points: 10 | Views : 2081 | Status : [Member] | Replies : 3

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Hi All,

I have a problem that how i select a folder in my computer to save my file ?

means

there is selection for folder ( user can select any folder of any directory C/D/E and inside that he/ she select a folder) then how can i achive this folder path ...

Thanks

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Posted by: Bandi on: 9/4/2013 [Member] [MVP] Platinum | Points: 25

0	response.AddHeader("Content-Disposition", "attachment; filename=" + FileName + ";"); response.TransmitFile(FilePath); TransmitFile will causes to prompt user for Open/Save file options Refer these links: http://stackoverflow.com/questions/10818031/prompt-user-to-save-open-file-in-asp-net-c-sharp http://www.west-wind.com/weblog/posts/2007/May/21/Downloading-a-File-with-a-Save-As-Dialog-in-ASPNET Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Shoyebaziz123, if this helps please login to Mark As Answer. \| Alert Moderator

response.AddHeader("Content-Disposition", "attachment; filename=" + FileName + ";");

response.TransmitFile(FilePath);

TransmitFile will causes to prompt user for Open/Save file options

Refer these links:
http://stackoverflow.com/questions/10818031/prompt-user-to-save-open-file-in-asp-net-c-sharp
http://www.west-wind.com/weblog/posts/2007/May/21/Downloading-a-File-with-a-Save-As-Dialog-in-ASPNET

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Posted by: Bandi on: 9/4/2013 [Member] [MVP] Platinum | Points: 25

0	//Sample code // add below namespaces using System.IO; using Microsoft.Win32; protected void Page_Load(object sender, EventArgs e) { var file = Request.QueryString["file"]; var hasFile = !String.IsNullOrWhiteSpace(file); if(!hasFile) return; var hasFileExists = File.Exists(Server.MapPath(file)); if (!hasFileExists) return; var filepath = Server.MapPath(file); var filename = Path.GetFileName(filepath); var contentType = GetContentType(filepath); var hasValidFileExtension = IsValidFileExtension(filepath); var hasReadyForDownLoad = hasValidFileExtension && !String.IsNullOrWhiteSpace(filename) && !String.IsNullOrWhiteSpace(contentType); if (!hasReadyForDownLoad) return; HttpResponse response = HttpContext.Current.Response; response.ClearContent(); response.ContentType = contentType; response.AddHeader("Content-Disposition", "Attachment; filename=" + filename + ";"); response.TransmitFile(filepath); response.Flush(); response.End(); } // get content type private string GetContentType(string filepath) { var contentType = "application/octetstream"; var extension = Path.GetExtension(filepath); RegistryKey registryKey = Registry.ClassesRoot.OpenSubKey(extension); if (registryKey != null && registryKey.GetValue("Content Type") != null) contentType = registryKey.GetValue("Content Type").ToString(); return contentType; } // check is file have valid extension private bool IsValidFileExtension(string file) { bool isValidFileExtension = false; string[] VideoFileExtensions = new string[] {"avi", "mpeg","wmv", "mp4" }; string[] ImageFileExtensions = new string[] { "jpeg", "jpg", "gif", "png" }; string[] AudioFileExtensions = new string[] { "mp3", "aac", "wma", "wav" }; string extension = Path.GetExtension(file).TrimStart('.'); if (VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) { isValidFileExtension = true; } else if (ImageFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) { isValidFileExtension = true; } else if (AudioFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) { isValidFileExtension = true; } return isValidFileExtension; } Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Shoyebaziz123, if this helps please login to Mark As Answer. \| Alert Moderator

//Sample code

// add below namespaces

using System.IO; 

using Microsoft.Win32;  

  

protected void Page_Load(object sender, EventArgs e) 

{ 

   var file = Request.QueryString["file"]; 

   var hasFile = !String.IsNullOrWhiteSpace(file); 

  

   if(!hasFile) 

      return; 

  

   var hasFileExists = File.Exists(Server.MapPath(file)); 

   if (!hasFileExists) 

       return; 

  

   var filepath = Server.MapPath(file); 

   var filename = Path.GetFileName(filepath); 

   var contentType = GetContentType(filepath); 

  

              

   var hasValidFileExtension = IsValidFileExtension(filepath); 

   var hasReadyForDownLoad = hasValidFileExtension && !String.IsNullOrWhiteSpace(filename) && !String.IsNullOrWhiteSpace(contentType); 

  

   if (!hasReadyForDownLoad) 

       return; 

  

   HttpResponse response = HttpContext.Current.Response; 

   response.ClearContent(); 

   response.ContentType = contentType; 

   response.AddHeader("Content-Disposition", "Attachment; filename=" + filename + ";"); 

   response.TransmitFile(filepath); 

   response.Flush(); 

   response.End(); 

  

 } 

  

// get content type 

private string GetContentType(string filepath) 

{ 

   var contentType = "application/octetstream"; 

   var extension = Path.GetExtension(filepath); 

  

    RegistryKey registryKey = Registry.ClassesRoot.OpenSubKey(extension); 

  

    if (registryKey != null && registryKey.GetValue("Content Type") != null) 

         contentType = registryKey.GetValue("Content Type").ToString(); 

  

     return contentType; 

 } 

  

// check is file have valid extension 

private bool IsValidFileExtension(string file) 

{ 

   bool isValidFileExtension = false; 

  

   string[] VideoFileExtensions = new string[] {"avi", "mpeg","wmv", "mp4" }; 

   string[] ImageFileExtensions = new string[] { "jpeg", "jpg", "gif", "png" }; 

   string[] AudioFileExtensions = new string[] { "mp3", "aac", "wma", "wav" }; 

  

   string extension = Path.GetExtension(file).TrimStart('.'); 

  

   if (VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) 

   { 

      isValidFileExtension = true; 

   } 

   else if (ImageFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) 

   { 

      isValidFileExtension = true; 

   } 

   else if (AudioFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) 

   { 

      isValidFileExtension = true; 

   } 

  

  

    return isValidFileExtension; 

 }

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Posted by: Bandi on: 9/13/2013 [Member] [MVP] Platinum | Points: 25

0	Have you got solution for the above thread... if yes mark it as answered; otherwise post us back Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Shoyebaziz123, if this helps please login to Mark As Answer. \| Alert Moderator

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