化零为整WCF(7) - 消息处理(使用消息传输优化机制 - MTOM)

using System; 
using System.Collections; 
using System.Configuration; 
using System.Data; 
using System.Linq; 
using System.Web; 
using System.Web.Security; 
using System.Web.UI; 
using System.Web.UI.HtmlControls; 
using System.Web.UI.WebControls; 
using System.Web.UI.WebControls.WebParts; 
using System.Xml.Linq; 
using System.ServiceModel.Channels; 
using System.IO; 
 
public partial  class Message_Mtom : System.Web.UI.Page 
{ 
         protected  void Page_Load( object sender, EventArgs e) 
        { 
 
        } 
 
         protected  void btnUpload_Click( object sender, EventArgs e) 
        { 
                var proxy =  new MessageSvc.Mtom.MtomClient(); 
 
                var length = file.PostedFile.ContentLength; 
                var bytes =  new  byte[length]; 
                file.PostedFile.InputStream.Read(bytes, 0, length); 
 
                 try 
                { 
                        proxy.UploadFile( 
                                txtDestination.Text + Path.GetFileName(file.PostedFile.FileName),    
                                bytes); 
                        Page.ClientScript.RegisterStartupScript( typeof(Page),  "js",  "alert('上传成功');",  true); 
                } 
                 catch (Exception ex) 
                { 
                        Page.ClientScript.RegisterStartupScript( typeof(Page),  "js",  "alert('" + ex.ToString() +  "');",  true); 
                } 
 
                proxy.Close(); 
        } 
}