怎么创建DataTable后再将其代码绑定到gridview中去
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table >
<tr>
<th>
类型周期:
</th>
<td>
<asp:CheckBoxList ID="ck" runat="server" AutoPostBack="true"
RepeatDirection="Horizontal" onselectedindexchanged="ck_SelectedIndexChanged" >
<asp:ListItem Value="0" >季</asp:ListItem>
<asp:ListItem Value="1">年</asp:ListItem>
<asp:ListItem Value="2">月</asp:ListItem>
<asp:ListItem Value="3">日</asp:ListItem>
</asp:CheckBoxList>
</td>
</tr>
</table>
<table>
<tr>
<td>
<asp:GridView ID="gvw" runat="server" header AutoGenerateColumns="False">
<Columns>
<asp:TemplateField HeaderText="序号">
<ItemTemplate >