生成图片问题？在线等待中

<%@ Page Language="C#" ContentType="image/jpeg" ResponseEncoding="gb2312" %>
<%@ Import namespace="System.Drawing"%>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script language="c#" runat="server">
  void Page_Load()
  {
     Bitmap image=new Bitmap(350,200);
          //提示下一句有错误
 Graphics g=new Graphics.FromImage(image);
 g.Clear(Color.White);
 Rectangle outline=new Rectangle(10,5,300,100);
 g.DrawEllipse(new Pen(Color.Black,8.0f),outline);
 g.FillPie(new SolidBrush(Color.Red),outline,-20f,120f);
 g.FillPie(new SolidBrush(Color.Yellow),outline,100f,120f);
 g.FillPie(new SolidBrush(Color.Red),outline,220f,100f);
 g.FillPie(new SolidBrush(Color.Green),outline,320f,40f);
 image.Save(Response.OutputStream,System.Drawing.Imaging.ImageFormat.Jpeg);
  }
</script>
</head>
<body>
<form runat="server">
</form>
</body>
</html>

解决方案 »

  1.   

    帮你改好了,你试试.
    <%@ Page Language="C#" ContentType="image/jpeg" ResponseEncoding="gb2312" %>
    <%@ Import namespace="System.Drawing"%>
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <script language="c#" runat="server">
      void Page_Load()
      {
         Graphics g;
         Bitmap Bitimage=new Bitmap(350,200);
              //提示下一句有错误
     g = Graphics.FromImage(Bitimage);
     g.Clear(Color.White);
     Rectangle outline=new Rectangle(10,5,300,100);
     g.DrawEllipse(new Pen(Color.Black,8.0f),outline);
     g.FillPie(new SolidBrush(Color.Red),outline,-20f,120f);
     g.FillPie(new SolidBrush(Color.Yellow),outline,100f,120f);
     g.FillPie(new SolidBrush(Color.Red),outline,220f,100f);
     g.FillPie(new SolidBrush(Color.Green),outline,320f,40f);
     Bitimage.Save(Response.OutputStream,System.Drawing.Imaging.ImageFormat.Jpeg);
      }
    </script>
    </head>
    <body>
    <form runat="server">
    </form>
    </body>
    </html>