为什么我按钮点击到后台的时候总是去刷新呢

Question

为什么我按钮点击到后台的时候总是去刷新呢，有没有什么方法可以不刷新，AJAX怎么用呢具体的，我不会啊，各位大哥救 救 小弟吧

Answer 1

看看这个
http://topic.csdn.net/u/20080831/21/73dfa3c9-93ef-4b30-8fca-4f893a8b49cf.html

Answer 2

$(function()
{ 
        $('#<%= TextBox3.ClientID %>').keyup(function()
        { 
            $.ajax({
                url: 'WebService.asmx/GetInfoByName',
                type: 'POST',
                dataType:"xml",
                data:{'rname':$(this).val()},
                cache:false,
                success: function(res)
                {     
                    var rdiv=$('#resultDiv');
                    rdiv.html('');
                    
                    var tb="<table style='color:brown;font-size:12px;width:100%;'>"
                    $(res).find('test').each(function()  {   tb+="<tr><td>"+$(this).text()+"</td></tr>";})
                    tb+="</table>";
                    
                    rdiv.html(tb);
                    rdiv.fadeIn();
                    rdiv.offset({ top: 100, left: 300 });
                     
                    rdiv.find('td')
                    .click(function() { $('#<%= TextBox3.ClientID %>').val($(this).text()); rdiv.fadeOut(); })
                    .each(function(){ $(this).css({"cursor":"hand"});   });
                    
                    rdiv.find('tr').hover(function(){$(this).css("background-Color","honeydew");},function(){$(this).css("background-Color","");});
                },
                error: function(x, e)
                {
                    alert(x.responseText);            
                }
            });        });    
    });

Answer 3

取消按鈕的默認事件,可用
function btn_click()
{
    return false;
}

Answer 4

<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger  ControlID="按钮ID"/>
</Triggers>
</asp:UpdatePanel>

Answer 5

page.ispostback属性应该可以控制吧

Answer 6

protected void Page_Load(object sender, EventArgs e)
    {    }
里面加if(!ispostback)