How to send image via web api 2?

Question

I have an android client and asp.net server and I'm using web api 2. I want to return an image from the server to the client as part of the response, I mean if my response object is:

public class Product { public int Id { get; set; } public string Name { get; set; } public string Category { get; set; } public decimal Price { get; set; } }

now I want my object to look like:

public class Product { public int Id { get; set; } public string Name { get; set; } public string Category { get; set; } public decimal Price { get; set; } public string Image { get; set; } }

so that string Image is an image from a folder in the server solution which contains images.

How can I do this?

(I do not know how to define the image object so I defined it to string)

Possible duplicate of Is there a recommended way to return an image using ASP.NET Web API — Strikegently
– Strikegently, Commented Oct 8, 2018 at 13:03
I want that the image will be part of the response, so that I will return my Product object and not an HttpResponseMessage obejct — Aviv
– Aviv, Commented Oct 8, 2018 at 13:07
Do you want the actual image, or just the path to it on disk? — Stuart
– Stuart, Commented Oct 8, 2018 at 13:08

Stuart · Accepted Answer · 2018-10-08 13:13:46Z

To get he actual image as a string, you will of course need to encode it, you could try base64 encoding it - this will allow you to have it as a string:

byte[] imageBits = System.IO.File.ReadAllBytes(@"/path/to/image"); string imageBase64 = Convert.ToBase64String(imageBits);

Then to display it, you can either use <img src="data:yourBase64StringHere" />, or decode it back into an actual image:

var img = Image.FromStream(new MemoryStream(Convert.FromBase64String(imageBase64)));

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