简单的信息采集程序示例(小偷程序) (转)

      <asp:TextBox ID="Txt_Url" runat="server" Width="441px"></asp:TextBox><br /> 
   <asp:Button id="Btn_GetUrlSource" runat="server" Text="取得网页代码" OnClick="Btn_GetUrlSource_Click"></asp:Button>
   <br /> 
   <asp:TextBox id="Txt_UrlSource" runat="server" Width="100%" Height="195px" TextMode="MultiLine"></asp:TextBox><br />
      <br />
采集开始代码
      <asp:TextBox ID="Txt_First" runat="server" Height="90px" TextMode="MultiLine" Width="280px"></asp:TextBox><br />
      <asp:Button ID="Btn_ListCheck" runat="server" OnClick="Btn_ListCheck_Click" Text="测试唯一性" /><br />
采集结束代码      
<asp:TextBox ID="Txt_Last" runat="server" Height="90px" TextMode="MultiLine"
          Width="280px"></asp:TextBox><br />
      <br />
      <asp:Button ID="Btn_Result" runat="server" Text="取得采集结果" OnClick="Btn_Result_Click" /><br />
      <asp:TextBox ID="Txt_Result" runat="server" Height="134px" TextMode="MultiLine" Width="579px"></asp:TextBox>