datalist的嵌套

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datalist1嵌套datatlist2:
在.aspx页面的代码：
<asp:DataList ID="DataList1" runat="server" Width="98%" onitemdatabound="DataList1_ItemDataBound" DataKeyField="DeptName">
<ItemTemplate>
<asp:DataList ID="DataList2" runat="server" Width="100%" RepeatColumns="10" RepeatDirection="Horizontal" onitemdatabound="DataList2_ItemDataBound">
<ItemTemplate>
<table cellpadding="0" cellspacing="1">
<tr>
<td align="left">
<asp:Label ID="lblID" runat="server" Text='<%#Eval("ID") %>' Visible="false"></asp:Label>
<asp:Button ID="Button1" runat="server" Style="cursor: pointer; text-align: center;vertical-align: middle;" Text='<%# Eval("Name") %>' BackColor='<%# Eval("Status").ToString() == "在位" ? System.Drawing.Color.FromName("#009EEF") : (Eval("Status").ToString() == "外出"? System.Drawing.Color.FromName("#20B051"):System.Drawing.Color.FromName("#FEC80E ")) %>' BorderStyle="None" Height="30px" Width="80px" />
</td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
</asp:DataList>
在.cs后台的代码：
protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e)
{
DataList DataList2 = (DataList)e.Item.FindControl("DataList2");
staffBusiness.Dept = DataList1.DataKeys[e.Item.ItemIndex].ToString();
DataTable dt2 = staffBusiness.getDutyStaffByDept();
DataList2.DataSource = dt2;
DataList2.DataBind();
}