Web Forms :: Download .xlsx File From Server
Sep 16, 2010
Iv created a web application using vb.net 2005. Its working fine and running fine on the server (Microsoft Server 2003). The problem i have is to dowload a file from the same server using vb.net. I tried using this code but it gives me a : "is not a virtual path" error.
Response.ContentType =
"file/xlsx"
Response.AppendHeader(
Response.TransmitFile(
Response.End()
"Content-Disposition",
"attachment; filename=AllReports.xlsx")".xlsx")
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Feb 16, 2010
I'm working on some code that generates an Excel spreadsheet server-side and then downloads it to the user. I'm using ExcelPackage to generate the file.
The generation is working just fine. I can open the generated files using Excel 2007 with no issues. But, I'm having trouble downloading the file with Response.TransmitFile().
Right now, I have the following code:
//Generate the file using ExcelPackage
string fileName = generateExcelFile(dataList, "MyReportData");
Response.AddHeader("content-disposition", "attachment;filename=FileName.xls");
Response.ContentType = "application/vnd.xls"
Response.Charset = "";
Response.TransmitFile(fileName);
When Excel 2007 opens the file downloaded as above, it gives the "file format doesn't match extension" warning. After clicking past the warning, Excel displays the raw xml contents of the file. If I change the file extension, like so Response.AddHeader("content-disposition", "attachment;filename=FileName.xlsx");
Excel 2007 gives an "Excel found unreadable content in the file" error, followed by a dialog that offers to locate a converter on the web. If I click "no" on this dialog, Excel is able to load the data.
I've also experimented with different MIME types, like application/vnd.ms-excel and application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, combined with file extensions of .xls and .xlsx. All combinations result in one of the two behaviors mentioned above. What is the correct combination of file extension and MIME type to use in this scenario? What else could cause this failure, other than an improper MIME type or extension? FYI, this is occurring with Visual Studio's built-in development web server. I haven't yet tried this with IIS.
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Jun 9, 2010
I have a link http://Test/Folder/file1.xls which is working fine But if I typehttp://Test/Folder/file1.xlsx it is not working. It is giving me a file not found error.So when I read online every one is suggesting me to add the correct MIME type at tyhe IIS level. I don't know if that's the correct thing to do.I opened IIS and navigated to folder FOLDER right clicked and selected properties -> HTTP Headers -> MIME Types->New -> Extension -> .Xlsx-> What should i be entering for MIME type?
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according below thread
[URL]
I export xslx file from database from estate_p table in Estate_p table are below column
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Id CustomerName Code Estate
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Dec 14, 2010
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Aug 24, 2010
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[Code]....
I have a window open from another page because I was having an issue doing this while the page was ajaxified. The FileData part of the code is a structure that holds a memorystream and 2 strings and they are returning proper values. The window opens up and then closes almost immediately when the page loads.
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Feb 24, 2010
I am using VS2005 with FrameWork 2.0 . I am trying to download a file from ftp server with the following code:
[Code]....
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Jul 18, 2013
I need to download more than one file from server and download into loacl. Using gzipStream class in system.io.compression.
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Mar 7, 2010
I am creating Excel file from code. This code is working fine in my local server. because it is local iis and local VS. When I deployed in the server. I am not able to see (download) excel to client browser. How can we give access to see excel in client browser?
[Code]....
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Apr 6, 2010
I am trying to download doc file from server and it show download same aspx file instead of document file.my code is working with .net framework 2.0 and IIS 6.0 but its not working with .net 3.5 framework and IIS6.0
===========================================
[Code]....
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Oct 19, 2010
I am working on a .NET1.1 application. I want to download file on the web servers using httpwebresponse.
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Mar 1, 2011
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Sep 20, 2013
I am trying to access a remote network share from a C# program in asp.net. What I need is something like
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Aug 10, 2010
In my application I've allowed users to upload Excel 2003 .xls files, and import them into a Gridview. This has been working fine using the following connection string:
[Code]....
Now my users are using Excel 2003, 2007 or 2010, I need to allow the newer file extensions (.XLSX) to be accessible too.
Therefore, within the connection string above I presume I could change the Excel version from 8.0 to 9.0 or 10.0 respectively, but is there much difference between Excel 2007 and Excel 2010 files?
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Jan 15, 2010
I get the following error message:
Could not find file 'C:CHURCHROOF - CRIME live 150110.xlsx'.
When running the following code:
if (FileUpLoad1.HasFile)
{
string serverpath = "\\server1\Temp\ ";
//top.window.close();
string filepath = FileUpLoad1.PostedFile.FileName;
string filename = FileUpLoad1.FileName;
string destination = serverpath + filename;
//File.Delete(destination);
string[] existingFilesArray = System.IO.Directory.GetFiles(serverpath, "*.xlsx");
foreach (string existingFile in existingFilesArray)
{
System.IO.File.Delete(existingFile);
}
File.Copy(filepath, destination);
}
The code looks for a file and uploads the file to another location.
it fails at the last section
It works for me on my machine. but not the users
File.Copy(filepath, destination);
NO matter were the users put the file it fails.
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Oct 26, 2010
I am using asp.net 3.5 with C#. I can able to upload the .doc file in the server but i now want to download the .doc file from the server and show it in a text file.I can able to download the file but it show with a save/open window. I just want to show the contents of the .doc file in a text box..
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Dec 30, 2010
I tried this method:
string alteredname = "/store/" + filenames;
string filepath = Server.MapPath(alteredname);
FileInfo file = new FileInfo(filepath);
Response.AddHeader("Content-Disposition", "Attachment;FileName:" + file.Name);
Response.AddHeader("Content-Length", file.Length.ToString());
Response.ContentType = "APPLICATION/OCTET-STREAM";
Response.Flush();
Response.TransmitFile(file.FullName);
Response.End();
but the downloaded file is losing extension. I am getting the file in the name of the page form which I am downloading.
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Nov 24, 2010
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Sep 3, 2010
I am using the code below to enable clients to download a .csv file from my server.
The problem I am having is that when the file is saved to the client computer the file name is prefixed and suffixed with an underscore which leads to a file type of .csv_ which is obviously not a recognised file type.
How can I strip the underscores from the file name at the transmit stage?
Dim FileName As String = LstBox1.SelectedItem.ToString
Dim FilePath As String = "~/temp" & FileName
Response.Clear()
Response.ContentType = "text/csv"
Response.AddHeader("Content-Disposition", "attachment; filename=" & FileName & "")
Response.TransmitFile(FilePath)
Response.End()
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