UpdatePanel 提示框！？？~~~

Question

第一种情况：<asp:UpdatePanel ID="UpdatePanel1" runat="server">      
          <ContentTemplate>          
              <cc1:TabContainer ID="TabContainer1" runat="server" ActiveTabIndex="0" Width="499px">
                  <cc1:TabPanel ID="TabPanel1" runat="server" HeaderText="TabPanel1">                      <ContentTemplate>                         
                          <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /><br />                         
                      </ContentTemplate>
                  </cc1:TabPanel>                  
              </cc1:TabContainer>          </ContentTemplate>
      </asp:UpdatePanel>.cs代码
 protected void Button1_Click(object sender, EventArgs e)
    {
        ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "alert", " <script language='javascript'>alert('提示信息'); </script>", false);
    }问题：这种方法会把 TabContainer 屏蔽掉；
有什么办法让他 只单纯的 做出提示 而后面还是可见的吗？？
后面被屏蔽掉出现空白的一片，客户很不满意这样的效果！！！！
有谁可以帮帮忙~~~~~~`~~

Answer 1

试试:
ScriptManager.RegisterStartupScript(.......);

Answer 2

试试: 
ScriptManager.RegisterStartupScript(.......);
这样成的吧

Answer 3

 ScriptManager.RegisterStartupScript(this.page, this.page.GetType(), "post", "alert('提示信息')", true);

Answer 4

protected void Button1_Click(object sender, EventArgs e) 
{ 
     ScriptManager.RegisterStartupScript(this.page, this.page.GetType(), "post", "alert('提示信息')", true);
} 

Answer 5

ScriptManager.RegisterStartupScript(this.page, this.page.GetType(), "post", "alert('提示信息')", true); 也是 一样的 TabContainer 里的内容还是被屏蔽

Answer 6

想要漂亮用AJAX的modal dialog咯，就是会慢点