. NET get picture binary byte data stream based on picture network address

        /// <summary>        ///get the bytes of a picture based on the HTML path/// </summary>         /// <param name= "Picsize" >image Size, Original: 1, big Picture: 2, figure: 3, Small picture: 4</param>         /// <param name= "Serverpath" >Image Server Address</param>        /// <returns></returns>         Public Static byte[] Getimagebytebyhtmlimgurl (stringImgsize,stringServerpath) {            byte[] bt =New byte[4096]; Try{Serverpath= Serverpath.replace ("_1.",string. Format ("_{0}.", imgsize)); Image obj=Image.fromstream (System.Net.WebRequest.Create (Serverpath). GetResponse ().                GetResponseStream ()); BT= ImageToByteArray (obj);//Use the ImageToByteArray () function to turn the image type to byte[] typeobj.                Dispose (); returnBT; }            Catch  //If you get an exception, use the picture in the resource to display            {                //Image obj = Image.fromstream (""); //byte[] bt = ImageToByteArray (obj); //obj.                Dispose (); //return BT;            }            returnBT; }        /// <summary>        ///gets the byte of a picture based on image/// </summary>        /// <param name= "image" ></param>        /// <returns></returns>        Private Static byte[] ImageToByteArray (image image) {System.IO.MemoryStream Mstream=NewSystem.IO.MemoryStream (); Image.            Save (Mstream, System.Drawing.Imaging.ImageFormat.Png); byte[] ret =Mstream.toarray ();            Mstream.close (); returnret; }

Codeby: Blog Park-Cao Yongxi, http://www.cnblogs.com/yonsy/p/3716483.html
Get picture image instance based on picture binary byte data stream

  /// <summary>        ///get an image instance based on the picture byte stream/// </summary>        /// <param name= "Imagebyte" ></param>        /// <returns></returns>         Public StaticImage Setbytetoimage (byte[] imagebyte)            {image Image; MemoryStream Imagememorystream=NewMemoryStream (Imagebyte,0, Imagebyte.            Length); Image=Image.fromstream (Imagememorystream); returnimage; }