title: change picture in master page
body: <p>master1.master</p>
  
  <p>HTML</p>
  
  <pre><code>&lt;asp:Image ID="First" runat="server" /&gt;
  </code></pre>
  
  <hr>
  
  <p>tow.aspx</p>
  
  <pre><code>&lt;%@ Page Language="C#" MasterPageFile="~/master1.master" AutoEventWireup="true"
  CodeFile="two.aspx.cs" Inherits="ControlPanelPP"
  Title="Untitled Page" %&gt;
  
  protected void Page_Load(object sender, EventArgs e)
  {
      how can change Image `First` in master1.master
  }
  </code></pre>
  
  <p>how can change image in masterpage ???</p>