为何我点击 提交 按钮 ,没有跳转至 submt?
<%@ Page Language="C#" Debug="true" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.style1
{
width: 173px;
}
</style>
</head>
<body>
<form id="form1" runat="server" method="post" action="default.aspx" >
<div>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False">
<Columns>
<asp:BoundField DataField="pname" HeaderText="留言人">
<HeaderStyle BorderColor="#FFFF99" />
</asp:BoundField>
<asp:BoundField DataField="content" HeaderText="留言内容">
<HeaderStyle BorderColor="#FFFF99" />
</asp:BoundField>
<asp:BoundField DataField="tdate" DataFormatString="{0:M-dd-yyyy}"
HeaderText="日期">
<HeaderStyle BorderColor="#FFFF99" />
</asp:BoundField>
</Columns>
</asp:GridView>
</div>
<table width="399" id="table1">
<tr>
<td colspan=2> 查询留言内容</td>
</tr>
<tr>
<td class="style1">按姓名查 <input type="checkbox" name="chkname" value="0" onclick="check()"/></td>
<td>按时间查 <input type="checkbox" name="chktime" value="0" onclick="check()"/></td>
&n