datagrid 控件绑定!!紧急求助!!
各位朋友们帮忙解决下我的问题吧:
先发下我的 页面的源码
<body>
<form id="form1" runat="server">
<div align=center> <uc2:Header ID="Header2" runat="server" /></div>
<div align=center><asp:Label ID="Label1" runat="server" Width="400px"><font color="#65186d" size=4 > <b> <%=Session["Username"] %>老师您好,欢迎您光临本网站!</b></font> </asp:Label></div>
<br />
<table cellSpacing="1" cellPadding="0" width="800" align=center bgColor="FDF5E6" border="0">
<div align=left><A href="Index.aspx">回到首页</A>-><A href="#"><font color="#00c100"><b>学生向我提问的问题:</b></font></A> </div>
</table>
<table cellSpacing="1" cellPadding="0" width="800" align="center" bgColor="FDF5E6" border="0">
<tr bgColor="#ffffff">
<td colSpan="2">
<asp:DataGrid id="subpro" runat="server" HorizontalAlign="Center" AutoGenerateColumns="False"
PageSize="30" AllowPaging="True" OnPageIndexChanged="Get_Page" OnItemCommand="subpro_ItemCommand" >
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<TABLE cellSpacing="0" cellPadding="0" width="700" align="center" border="0" >
<TR>
<TD bgColor="FDF5E6" colSpan=2 height=25>
<DIV align="left"><FONT color=green size="3"></font> <font size=3 color=DarkSlateGray ><%# DataBinder.Eval(Container.DataItem, "Pro_author") %></font> <STRONG>同学</STRONG> <FONT size="2"><STRONG> <font size="3">于</font> <font size=3 color=DarkSlateGray ><%# DataBinder.Eval(Container.DataItem, "Pro_date") %></font> <font size="3">向您提交了问题标题:</font> <font size=3 color=DarkSlateGray ><%# DataBinder.Eval(Container.DataItem, "Pro_title") %></font></STRONG></FONT></FONT></DIV>
</TD>
</TR>
<TR>
<TD style="HEIGHT: 31px" colSpan="2"><FONT style="FONT-SIZE: 12px"><FONT size="3"><strong>内容为</strong>  <%# DataBinder.Eval(Container.DataItem, "Pro_content") %></FONT><STRONG><FONT size="2"></FONT></STRONG><BR>
</FONT>
</TD>
</TR>
</TABLE>
</ItemTemplate>
</asp:TemplateColumn>
<asp:ButtonColumn CommandName="Select" Text="回复" ></asp:ButtonColumn>
</Columns>
<PagerStyle PageButtonCount="20" Mode="NumericPages"></PagerStyle>
</a