How to upload large files in ASP.Net MVC 4

Question

I have code like this in the controller:

Request.Files.Get("img").SaveAs(Server.MapPath("~/Images/ImgSong/" + +Out.Id + ".jpg"));

It only allows uploading a small file, while the file I want to upload would range from 10Mb to 100Mb.

Please help me.

Douglas Reid · Accepted Answer · 2019-06-05 15:59:50Z

2

You need to change you web.config:

<configuration>
  <system.web>
    <httpRuntime maxRequestLength="4096" />
  </system.web>
</configuration>

The default value is 4096kb. You need to change this value to 10240 for 10mb uploading.

edited Jun 5, 2019 at 15:59

Douglas Reid

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answered Jul 2, 2014 at 8:18

Ozan Yurtseven

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2 Comments

quocleanh Over a year ago

I have to do what you instruct but still an error, here is the picture![enter image description here][1] i.sstatic.net/y6xVK.png

Ozan Yurtseven Over a year ago

This error means you have <security> tag on web.config but don't have configsections. Can you try only with my code if not run than try only @Kamlesh's code.By the way you have already <system.web> section. You need to write httpruntime thing only.

Kamlesh Meghwal · Accepted Answer · 2014-07-02 08:17:40Z

0

Edit your web.config as per size of file.

<system.web>
    <compilation debug="true" targetFramework="4.5" />
    <httpRuntime targetFramework="4.5" maxRequestLength="10240" executionTimeout="1600" requestLengthDiskThreshold="10240" />
    <security>
      <requestFiltering>
        <requestLimits maxAllowedContentLength="10240" />
      </requestFiltering>
    </security>
    ...
</system.web>

answered Jul 2, 2014 at 8:17

Kamlesh Meghwal

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