Sitecore Svg Render

svg field render.cs

public static string SvgImage(Item item, string fieldName, string parameters = "")
{
    if (item == null || string.IsNullOrEmpty(fieldName))
        return string.Empty;
    ImageField field = item.Fields[fieldName];
    if (field?.MediaItem == null)
        return $"<!--This field name :{fieldName} is not image field.-->";
    var mediaItem = new MediaItem(field.MediaItem);
    if (mediaItem.MimeType != "image/svg+xml" || Sitecore.Context.PageMode.IsExperienceEditor)
        return Sitecore.Web.UI.WebControls.FieldRenderer.Render(item, fieldName, parameters);
    string result = string.Empty;
    using (var reader = new StreamReader(MediaManager.GetMedia(mediaItem).GetStream().Stream))
    {
        result = reader.ReadToEnd();
    }
    if (string.IsNullOrWhiteSpace(result))
        return Sitecore.Web.UI.WebControls.FieldRenderer.Render(item, fieldName, parameters);
    return result;
}