runat="server" Width="102px"></asp:TextBox>
起始日期:<asp:DropDownList ID="nian" runat="server"
onselectedindexchanged="nian_SelectedIndexChanged">
</asp:DropDownList>
<asp:DropDownList ID="yue" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="ri" runat="server">
</asp:DropDownList>终止日期:<asp:DropDownList ID="nian2" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="yue2" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="ri2" runat="server">
</asp:DropDownList>
<asp:CheckBox ID="CheckBox1" runat="server" />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="搜索" />
<asp:DataGrid ID="DataGrid1" runat="server" AutoGenerateColumns="False" 企业ERP管理软件采购管理采购合同子模块的设计与开发(21):http://www.youerw.com/jisuanji/lunwen_2109.html