如何编写快速登录框呀？

Question

用户已经登录就显示say hello信息和退出登录按钮
  用户未登录就显示登录框，注册等，用户登录时需要验证信息，并回馈给用户。
   想写在一个控件里面，思路怎么样子呢？
  该如何设计呢？

Answer 1

//*****写一个用户控件
//****代码为
<link href="../CSS/WebStyleCSS.css" type="text/css" rel="stylesheet" />
<table border="0" cellpadding="0" cellspacing="0">
    <tr>
        <td class="FontSize">
            <%if (LoginUserCode == "")%>
            <%{%>
            <table border="0" cellpadding="0" cellspacing="0">
                <tr class="FontSize">
                    <td>
                        <img alt="" src='<%=ResolveUrl("../emot/03.gif")%>' border="0" align="middle" /></td>
                    <td>
                        用户名:</td>
                    <td>
                        <input id="UserCode" runat="server" type="text" /></td>
                    <td>
                        密码:</td>
                    <td>
                        <input id="Password" runat="server" type="password" /></td>
                    <td>
                        <input id="butLogin" runat="server" type="submit" onclick="javascript:if(InputChecked()==false) return false;"
                            value="登陆" onserverclick="butLogin_ServerClick" /></td>
                </tr>
            </table>
            <%}%>
            <%else
                {%>
            <table border="0" cellpadding="0" cellspacing="0" width="100%">
                <tr class="FontSize">
                    <td>
                        <font color="red"><b>您好!,<%=LoginUserName%>欢迎你登陆我们的网站!</b></font>
                    </td>
                    <td align="right">
                        <asp:LinkButton ID="lkbBackLgoin" runat="server" Text="退出登陆" OnClick="lkbBackLgoin_Click"></asp:LinkButton>
                </tr>
            </table>
            <%}%>
        </td>
    </tr>
</table><script language="javascript">
  <!-- 
      function InputChecked()
      {  
 
          if(document.all("NavBarLogin1_UserCode").value=="")
          {
              alert("请输入用户编号!");
              document.all("NavBarLogin1_UserCode").focus();
              return false;
          }
          
          if(document.all("NavBarLogin1_Password").value=="")
          {
             alert("请输入密码！");
             document.all("NavBarLogin1_Password").focus();
             return false;
          }
          
          return true;
      }
      
      //*****打开窗体，认窗体居中显示
      function OpenWindows(varUrl,varHeight,varWidth)
      {
         
         var varTop=(window.screen.height-varHeight)/2;
         var varLeft=(window.screen.width-varWidth)/2;
      
      　 window.open(varUrl,"openonices","width="+varWidth+",height="+varHeight+",top="+varTop+",left="+varLeft+"");
      　
      }      
      
      //*****设置替换URL内容
      function DeleteMoveBookInfor(BookID)
      {
          if(window.location.href!="")
          {
             if(window.location.href.indexOf(",")<0)
             {
                window.location.href=window.location.href.replace(BookID,"");
             }
             else
             {
                window.location.href=window.location.href.replace(BookID+",","");
             }
          }
      }
     
   
      
  //-->
</script>

Answer 2

学习
-------------------------------
100M Asp.Net空间(支持1.1，2.0)+50M企业邮局=60元/年
100M Asp.Net空间(支持1.1，2.0)+国际顶级域名＝100元/年
国际顶级域名.com.net.cn=50元/年
咨询OICQ：68311305,379620139 81778640 
公司主页(www.kingtoo.com)

Answer 3

我自己已经搞定了，不过谢谢zhangxiaopin(zxp),分数给你吧