How to display both svg and png images from database?-CodePudding

So I have some images stored in the database. They consist of both png and svg images. But I cannot display the svg images but the png images are displayed correctly.

public ActionResult GetImage() {
    // some code here
    return new FileContentResult(image, "image/png");
}

How can I display both svg and png?

CodePudding user response：

The svg images was not displayed because of the wrong content type in FileContentResult.

So the solution is to find the content type:

public ActionResult GetImage() {
    // some code here
    var contentType = GetContentType(image);
    return new FileContentResult(image, contentType);
}

private string GetContentType(byte[] image)
{
    var returnType = "image/png";
    var fileheader = Encoding.UTF8.GetString(image, 0, 25);
    if (fileheader.StartsWith("<?xml ") || fileheader.StartsWith("<svg ") || fileheader.StartsWith("\r\n<svg "))
        returnType = "image/svg xml";
    return returnType;
}