MemoryStream Stream1 = New MemoryStream ((Byte []) Detail.Image); // Take the picture data stream, you read the file first.
System.drawing.image tempimg = system.drawing.image.fromstream (stream1); // Transfer to a picture class
System.drawing.Image mythumbnail = Tempimg.getthumbnailimage (width, height, null, intptr.zero); // Thumbnail, width, Height you want to define a size
Mythumbnail.save (response.outputstream, Tempimg.rawFormat); // Display
