public static System.Drawing.Image ResizeImage(System.Drawing.Image sourceImage, int width, int height)

{

    System.Drawing.Image oThumbNail = new Bitmap(sourceImage, width, height);

    Graphics oGraphic = Graphics.FromImage(oThumbNail);

    oGraphic.CompositingQuality = CompositingQuality.HighQuality;

    oGraphic.SmoothingMode = SmoothingMode.HighQuality;

    oGraphic.InterpolationMode = InterpolationMode.HighQualityBicubic;

    Rectangle oRectangle = new Rectangle(0, 0, width, height);

    oGraphic.DrawImage(sourceImage, oRectangle);

    return oThumbNail;

}