Saving Canvas to .png file on the server

Caros, Abaixo tenho um codigo que salva a imagem do canvas ser for um desenho, se for uma imagem de webcam não faz o postback ! qual o problema ? <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="z_webcam.aspx.cs" Inherits="Portaria.z_webcam" %> ``` Saving Canvas to .png file on the server

abaixo o webservices.. using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Web; using System.Web.Script.Services; using System.Web.Services; using System.Web.UI; using System.Web.UI.WebControls; ``` namespace Portaria { public partial class z_webcam : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { ``` string teste = ""; teste = "asdf"; } } [ScriptService] public partial class z_webcam : System.Web.UI.Page { static string path = @"D:\temp\"; [WebMethod()] public static void UploadImage(string imageData) { string fileNameWitPath = path + DateTime.Now.ToString().Replace("/", "-").Replace(" ", "- ").Replace(":", "") + ".png"; using (FileStream fs = new FileStream(fileNameWitPath, FileMode.Create)) { using (BinaryWriter bw = new BinaryWriter(fs)) { byte[] data = Convert.FromBase64String(imageData); bw.Write(data); bw.Close(); } } } } } ```

Jorge E. Hime Somers

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