DataList嵌套DataList

<asp:DataList ID="dllcompany" runat="server" DataKeyField="id" OnItemDataBound="dllcompany_ItemDataBound" OnItemCommand="dllcompany_ItemCommand">

    <ItemTemplate>

            <ul class="dllul">

                        <li id="btnview" runat="server">

                            <asp:LinkButton ID="LinkButton1" CommandName="view" class="ullia" runat="server">查看</asp:LinkButton></li>

                        <li id="btnadd" runat="server">

                            <asp:LinkButton ID="LinkButton2" CommandName="add" class="ullia" runat="server">增加</asp:LinkButton></li>

                        <li id="btnupdate" runat="server">

                            <asp:LinkButton ID="LinkButton3" CommandName="update" class="ullia" runat="server">修改</asp:LinkButton></li>

                        <li id="btndel" runat="server">

                            <asp:LinkButton ID="LinkButton4" CommandName="del" class="ullia" runat="server">删除</asp:LinkButton></li>

                    </ul>

          <asp:DataList ID="dllcenter" runat="server" DataKeyField="id" OnItemDataBound="dllcenter_ItemDataBound" OnItemCommand="dllcenter_ItemCommand">

                 <ItemTemplate>

                       <asp:DataList ID="dlldepart" runat="server" DataKeyField="id" OnItemDataBound="dlldepart_ItemDataBound" OnItemCommand="dlldepart_ItemCommand">

                            <ItemTemplate>

                                 <asp:DataList ID="dllduties" runat="server" DataKeyField="id" OnItemCommand="dllduties_ItemCommand">

                                       <ItemTemplate>

                                        </ItemTemplate>

                                 </asp:DataList>

                             </ItemTemplate>

                       </asp:DataList>

                  </ItemTemplate>

            </asp:DataList>

         </ItemTemplate>

</asp:DataList>

 

后台代码

 /// <summary>

    /// 公司绑定

    /// </summary>

    private void BindCompany()

    {

        List<Company> listcompany = CompanyAdapter.Instance.GetList();

        if (listcompany.Count > 0)

        {

            try

            {

                dllcompany.DataSource = listcompany;

                dllcompany.DataBind();

            }

            catch (Exception)

            {

            }

        }

    }

    /// <summary>

    /// 中心绑定

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void dllcompany_ItemDataBound(object sender, DataListItemEventArgs e)

    {

        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)

        {

            DataList dllcenter = (DataList)e.Item.FindControl("dllcenter");

            List<CenterGL> listcenter = CenterGLAdapter.Instance.LoadBycompanyid(Convert.ToInt32(dllcompany.DataKeys[e.Item.ItemIndex].ToString().Trim()));

            if (listcenter.Count > 0)

            {

                LinkButton dellink = (LinkButton)e.Item.FindControl("LinkButton4");

                dellink.Visible = false;

                dllcenter.DataSource = listcenter;

                dllcenter.DataBind();

            }

        }

    }

    /// <summary>

    /// 部门编辑

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void dllcenter_ItemDataBound(object sender, DataListItemEventArgs e)

    {

        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)

        {

            DataList dllcenter = (DataList)sender;

            DataList dlldepart = (DataList)e.Item.FindControl("dlldepart");

            List<Department> listdepart = DepartmentAdapter.Instance.LoadBycenterid(Convert.ToInt32(dllcenter.DataKeys[e.Item.ItemIndex].ToString().Trim()));

            if (listdepart.Count > 0)

            {

                LinkButton dellink = (LinkButton)e.Item.FindControl("LinkButton8");

                dellink.Visible = false;

                dlldepart.DataSource = listdepart;

                dlldepart.DataBind();

            }

        }

    }

    /// <summary>

    /// 职务绑定

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void dlldepart_ItemDataBound(object sender, DataListItemEventArgs e)

    {

        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)

        {

            DataList dlldepart = (DataList)sender;

            DataList dllduties = (DataList)e.Item.FindControl("dllduties");

            List<Duties> listduties = DutiesAdapter.Instance.LoadBydepartid(Convert.ToInt32(dlldepart.DataKeys[e.Item.ItemIndex].ToString().Trim()));

            if (listduties.Count > 0)

            {

                LinkButton dellink = (LinkButton)e.Item.FindControl("LinkButton12");

                dellink.Visible = false;

                dllduties.DataSource = listduties;

                dllduties.DataBind();

            }

        }

    }

    /// <summary>

    /// 公司编辑

    /// </summary>

    /// <param name="source"></param>

    /// <param name="e"></param>

    protected void dllcompany_ItemCommand(object source, DataListCommandEventArgs e)

    {

        DataList dlldepart = (DataList)source;

        int id = Convert.ToInt32(dlldepart.DataKeys[e.Item.ItemIndex].ToString().Trim());

        if (id != 0)

        {

            comadd.Visible = true;

            btnSave.Enabled = true;

            if (e.CommandName == "view")

            {

                Company company = CompanyAdapter.Instance.LoadByid(id);

                txtmc.Enabled = false;

                txtbz.Enabled = false;

                txtorders.Enabled = false;

                btnSave.Enabled = false;

                txtmc.Text = company.CompanyName;

                txtbz.Text = company.Remarks;

                txtorders.Text = company.orders.ToString();

            }

            if (e.CommandName == "add")

            {

                lbltable.Text = "Companyadd";

                lblid.Text = id.ToString();

                txtmc.Enabled = true;

                txtbz.Enabled = true;

                txtorders.Enabled = true;

                txtmc.Text = "";

                txtbz.Text = "";

                txtorders.Text = "";

            }

            if (e.CommandName == "update")

            {                

                Company company = CompanyAdapter.Instance.LoadByid(id);

                lbltable.Text = "Company";

                lblid.Text = id.ToString();

                txtmc.Enabled = true;

                txtbz.Enabled = true;

                txtorders.Enabled = true;

                txtmc.Text = company.CompanyName;

                txtbz.Text = company.Remarks;

                txtorders.Text = company.orders.ToString();

            }

            if (e.CommandName == "del")

            {

                comadd.Visible = false;

                if (CompanyAdapter.Instance.DeleteByid(id) != 0)

                {

                    Message.SendMessageParent("删除成功！", "/backstage/Company.aspx");

                }

            }

        }

    }