Previewing Image in ASP.NET Image Control using C# help you to get image from an Image Control Type.
You can save the image in the below way.
Image bitmap = Image.FromFile("C:\\MyFile.bmp");
bitmap.Save("C:\\MyFile2.bmp");
You should be able to use the Save Method from the Image Class and be just fine as shown above. The Save Method has 5 different options or overloads.
//Saves this Image to the specified file or stream.
img.Save(filePath);
//Saves this image to the specified stream in the specified format.
img.Save(Stream, ImageFormat);
//Saves this Image to the specified file in the specified format.
img.Save(String, ImageFormat);
//Saves this image to the specified stream, with the specified encoder and image encoder parameters.
img.Save(Stream, ImageCodecInfo, EncoderParameters);
//Saves this Image to the specified file, with the specified encoder and image-encoder parameters.
img.Save(String, ImageCodecInfo, EncoderParameters);