C# webapi return file

[HttpGet]
public HttpResponseMessage Generate()
{
    var stream = new MemoryStream();
    // processing the stream.

    var result = new HttpResponseMessage(HttpStatusCode.OK)
    {
        Content = new ByteArrayContent(stream.ToArray())
    };
    result.Content.Headers.ContentDisposition =
        new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment")
    {
        FileName = "CertificationCard.pdf"
    };
    result.Content.Headers.ContentType =
        new MediaTypeHeaderValue("application/octet-stream");

    return result;
}

Source: stackoverflow.com

Similar codes

29 votes135 views5 answers
Random string generator c#
C#
0 vote123 views4 answers
Hovercraft Physics in Unity
C#
1 vote152 views1 answer
Spawn coins randomli in the camera unity 2d
C#Unity
0 vote116 views1 answer
C# linq select specific columns
C#
12 votes177 views2 answers
Doing void when gameobject setactive unity
C#Unity
2 votes116 views1 answer
Remove a specific line in richtextbox c#
C#
0 vote119 views1 answer
Create file gz c#
C#
0 vote121 views1 answer
Nunjucks conditional
C#
1 vote124 views1 answer
Check valid binary search tree c#
C#
0 vote136 views1 answer
How to add rigidbody as a variable
C#