title: asp.net html href send query string
body: <p>I have a this html code :<br/></p>
  
  <pre><code>&lt;li&gt;&lt;a href="Password.aspx" accesskey="2"  &gt;مشاهده&lt;/a&gt;&lt;/li&gt;
  </code></pre>
  
  <p><br/>
  I want when i click on the <code>li</code>,to redirect other page,for example:<br/></p>
  
  <pre><code>Response.Redirect("ManagerAdd.aspx");
  </code></pre>
  
  <p><br/>
  and i want to send the query string to ManagerAdd page, for example:<br/></p>
  
  <pre><code>Response.Redirect("ManagerAdd.aspx?rid=" + r_id.ToString());
  </code></pre>
  
  <p><br/>
  my <code>r_id</code> get from this <code>webform</code>,for example:<br/>
  <br/>
  how can i write this on li html?<br/></p>
  
  <pre><code>&lt;li&gt;&lt;a href="ManagerAddFood.aspx?rid=" + r_id.ToString() accesskey="2"  &gt;مشاهده منو&lt;/a&gt;&lt;/li&gt;
  
  
  protected void Page_Load(object sender, EventArgs e)
  {           
      t1 = Request.QueryString["id"];
  }
  </code></pre>
  
  <p>and i want to get id from form1 load event and send manageradd.aspx with string query.</p>