/// <summary>

/// ImageData 的摘要说明

/// </summary>

public class ImageData : IHttpHandler

{

public void ProcessRequest(HttpContext context)

{

context.Response.ContentType = "image/Jpeg";

string item_code = context.Request.QueryString["ItemCode"];

IntegralDal dal = new IntegralDal();

byte[] imgbyte = dal.GetImage(item_code);

Bitmap myImage = new Bitmap(GetImageByBytes(imgbyte));

MemoryStream ms = new MemoryStream();

myImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);

context.Response.ClearContent();

ms.WriteTo(context.Response.OutputStream);

context.Response.Flush();

context.Response.End();

}

}

/// <summary>

/// 读取byte[]并转化为图片

/// </summary>

/// <param name="bytes">byte[]</param>

/// <returns>Image</returns>

public static Image GetImageByBytes(byte[] bytes)

{

    Image photo = null;

    using (MemoryStream ms = new MemoryStream(bytes))

    {

        ms.Write(bytes, , bytes.Length);

        photo = Image.FromStream(ms, true);

    }

    return photo;

}

 this.image.Src = " ../Servers/ImageData.ashx?ItemCode=" + model.ItemCode;