Image img = Image.FromFile(sImage); 
    foreach (var prop in img.PropertyItems)
    {
        if (prop.Id == 0x0112) //value of EXIF
        {
            int orientationValue = img.GetPropertyItem(prop.Id).Value[0];
            RotateFlipType rotateFlipType = GetOrientationToFlipType(orientationValue);
            img.RotateFlip(rotateFlipType);
    
            break;
        }
    }
private static RotateFlipType GetOrientationToFlipType(int orientationValue)
{
    RotateFlipType rotateFlipType = RotateFlipType.RotateNoneFlipNone;
 
    switch (orientationValue)
    {
        case 1:
            rotateFlipType = RotateFlipType.RotateNoneFlipNone;
            break;
        case 2:
            rotateFlipType = RotateFlipType.RotateNoneFlipX;
            break;
        case 3:
            rotateFlipType = RotateFlipType.Rotate180FlipNone;
            break;
        case 4:
            rotateFlipType = RotateFlipType.Rotate180FlipX;
            break;
        case 5:
            rotateFlipType = RotateFlipType.Rotate90FlipX;
            break;
        case 6:
            rotateFlipType = RotateFlipType.Rotate90FlipNone;
            break;
        case 7:
            rotateFlipType = RotateFlipType.Rotate270FlipX;
            break;
        case 8:
            rotateFlipType = RotateFlipType.Rotate270FlipNone;
            break;
        default:
            rotateFlipType = RotateFlipType.RotateNoneFlipNone;
            break;
    }
 
    return rotateFlipType;
}