How to download file that is on another server in ASP.NET?

Question

1.00/5 (4 votes)

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If e.CommandName = "Down" Then

         Dim row As GridViewRow = DirectCast(DirectCast(e.CommandSource, LinkButton).NamingContainer, GridViewRow)
         Dim lblDoc = TryCast(row.FindControl("lbllog"), Label).Text
         Dim cs = "172.16.16.21/"

         Dim lblDoca = cs + "D:/1 Application/MobileApp/Documents/B2C 158712858622501161001263110.jpg"
         ''Dim lblDoca = cs + lblDoc


         Response.ContentType = ContentType
         Response.AppendHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(lblDoca))
         Response.WriteFile(lblDoca)
         Response.End()

What I have tried:

actually i want to download image which is another server..how can i download it

Posted 3-Apr-17 0:31am

Member 12300036

Updated 3-Apr-17 4:09am

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Comments

ZurdoDev 3-Apr-17 7:03am

You need to start with a valid path to the file.

Member 12300036 3-Apr-17 7:09am

didn get u

2 solutions

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Anbu_Mannan · Answer 1 · 2017-04-03T04:09:00

Solution 2

VB

Dim webClient As New System.Net.WebClient()
webClient.DownloadFile("http://<serverPath>/<filename>.txt", "<localpath2save>")

For Example :

<serverpath> : http://www.testserver.com (like => http://192.168.9.99:1880/testfolder/test.txt)
<filename> : test
<localpath2save> : C:\\test.txt

Posted 3-Apr-17 4:09am

Anbu_Mannan

Comments

Member 12300036 4-Apr-17 23:45pm

it is not working

Member 12300036 4-Apr-17 23:53pm

showing error:The given path's format is not supported.

Member 12300036 5-Apr-17 6:39am

ok now working...bt now showing downloding on browser direct save to local folder that i provided

mhemant · Answer 2 · 2017-04-03T01:25:00

Solution 1

1. You need to give valid path and include response modify the content type to download the image type
2. On the other server where file is located, you need to have permission to access the file

String filename = (String) request.getAttribute("fileName");
       response.setContentType("application/octet-stream");
       response.setHeader("Content-Disposition",
               "attachment;filename="+filename);

Posted 3-Apr-17 1:25am

mhemant

Updated 3-Apr-17 1:27am

v2

Comments

Kats2512 3-Apr-17 8:18am

The code in the question is VB, why did you post C#? and enquirer already has this snippet of code in the question so this makes no difference

Member 12300036 4-Apr-17 23:56pm

not working