关于弹出子页面参照的问题？

2008-12-15 02:18:33 261 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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我在项目中使用了较多的父页面弹出子页面，选择值后返回刷新父页面.查了不少资料，都是用JS控制，现在的问题是我的子页面全部是treeview,gridview之类的从数据库提取的动态提取的数据，在JS中如何访问这些服务器端的控件取得选择的值呢？还有其他方法没？TKS

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yumanqing

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切换为时间正序

jiaguoli 2008-12-15

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好好研究！

criedshy 2008-12-15

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不懂的可以参考DHTML

yumanqing 2008-12-15

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UP，还在琢磨中....

criedshy 2008-12-15

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anncesky 2008-12-15

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dt.rows(i).cells(j)

一般都是这样,有问题去查dhmtl

yumanqing 2008-12-15

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直接点，子页面这个方法如何改下
<script type="text/javascript">

</script>

criedshy 2008-12-15

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GridView返回值(例子)

   

       //给GridView每一列的checkbox加客户端事件

       function AddRemoveValues(oChk) { 

        //在处理这个地方需要注意的是：你保存的值应该具有唯一性，这样才能不会替换错误的项。

        if(oChk.checked)

        SelectMultiPage.HdnSelectedValues.value += "," + oChk.value; 

        else

        SelectMultiPage.HdnSelectedValues.value = SelectMultiPage.HdnSelectedValues.value.replace("," + oChk.value,""); 

    }

<asp:GridView id="base_gvMain" runat="server" Width="100%" ShowFooter="false" PageSize="8" DataKeyNames="F_User_ID,F_User_Name" CssClass="GridTable" CellPadding="3" AutoGenerateColumns="False" AllowPaging="True" OnRowDataBound="base_gvMain_RowDataBound">

            <SelectedRowStyle CssClass="GridSelectedItem"  />

            <AlternatingRowStyle BackColor="#DEDEDE" CssClass="GridAlterItem"  />

            <RowStyle CssClass="GridItem" HorizontalAlign="Center"  />

            <HeaderStyle CssClass="GridHeader"  />

            <FooterStyle CssClass="GridFooter"  />

            <Columns>

                <asp:TemplateField>

                    <ItemTemplate>

                      <input type="checkbox" runat="server" id="chkSelect" onclick="AddRemoveValues(this)"

				       value='<%#DataBinder.Eval(Container.DataItem,"F_User_Name")%>'/>

                    </ItemTemplate>

                </asp:TemplateField>

                <asp:BoundField DataField="F_User_Name" HeaderText="姓名" SortExpression="F_User_Name"></asp:BoundField>

                <asp:BoundField DataField="F_Position" HeaderText="职务" SortExpression="F_Position"></asp:BoundField>

                <asp:BoundField DataField="F_Telphone" HeaderText="联系电话" SortExpression="F_Telphone"></asp:BoundField>

            </Columns>

            <PagerSettings Visible="False" />

        </asp:GridView>

 #region 得到辅修人

    protected void ibtnSure_Click(object sender, ImageClickEventArgs e)

    {

        try

        {

            if (HdnSelectedValues.Value.Length == 0)

            {

                Alert("您还没选择辅修人员,请您选择要返回的辅修人！");

                return;

            }

            string strGetMaintainMan = HdnSelectedValues.Value.TrimEnd(',').TrimStart(',');

            string script = @"var GetData = '" + strGetMaintainMan + "';window.returnValue = GetData;window.close();";

            this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", script, true);

        }

        catch (Exception ex)

        {

            Alert(ex.Message);

        }

    }

    #endregion

#region 分页时记录状态

    protected void base_gvMain_RowDataBound(object sender, GridViewRowEventArgs e)

    {

        if (e.Row.RowType == DataControlRowType.DataRow)

        {



            foreach (string selectvalue in HdnSelectedValues.Value.Split(','))

            {

                if (selectvalue == this.base_gvMain.DataKeys[e.Row.RowIndex].Values["F_User_Name"].ToString())

                {

                    HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Row.FindControl("chkSelect"));

                    ChkSelected.Checked = true;

                }

            }

        }

    }

    #endregion

lxl_sports 2008-12-15

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那你就用代码在后台获取啊。。。

你不是已经都绑定好了啊。。。然后你直接在后台取就ok 了啊。。。

criedshy 2008-12-15

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treeview返回值



    /// <summary>

    /// 递归得到选择节点的Text和Value

    /// by liuqingjun

    /// </summary>

    /// <param name="node">树的节点</param>

    private void GetCheckedValue(TreeNode node)

    {

        if (node == null)

        {

            foreach (TreeNode treeNode in this.TV_Select.Nodes)

            {

                if (treeNode.Checked)

                {

                    this.hidName.Value += treeNode.Text.Trim() + ",";

                    this.hidID.Value += treeNode.Value + ",";

                }

                if (treeNode.ChildNodes.Count > 0)

               

                {

                    GetCheckedValue(treeNode);

                }



            }

        }

        else

        {

            foreach (TreeNode treeNode in node.ChildNodes)

            {

                if (treeNode.Checked)

                {

                    this.hidName.Value += treeNode.Text.Trim() + ",";

                    this.hidID.Value += treeNode.Value + ",";

                }

                if (treeNode.ChildNodes.Count > 0)

                {

                    GetCheckedValue(treeNode);

                }

            }

        }

    }



    /// <summary>

    /// 给选择该对话框的页面返回值



    /// by liuqingjun

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void btnSelect_ServerClick(object sender, EventArgs e)

    {

        this.hidID.Value = string.Empty;

        this.hidName.Value = string.Empty;

        GetCheckedValue((TreeNode)null);

       

        if (this.hidID.Value == string.Empty)

        {

            ClientScriptManager cs = Page.ClientScript;

            cs.RegisterStartupScript(this.GetType(), "", "alert('请您选择信息');", true);

        }

        else

        {            

            this.hidID.Value = this.hidID.Value.Substring(0, this.hidID.Value.Length - 1);

            this.hidName.Value = this.hidName.Value.Substring(0, this.hidName.Value.Length - 1);

            if ((string)ViewState["SelectMode"] == "Single")

            {

                if (this.hidID.Value.Split(',').Length > 1)

                {

                    ClientScriptManager cs = Page.ClientScript;

                    cs.RegisterStartupScript(this.GetType(), "", "alert('你只能选择一项目信息，不能多选');", true);

                    return; 

                }

            }

            string script = "var nodeInfo = new Array(2);nodeInfo[0] = '" + this.hidID.Value + "';nodeInfo[1] = '" + this.hidName.Value + "';window.returnValue = nodeInfo;window.close();";

            ClientScriptManager returnvalue = Page.ClientScript;

            returnvalue.RegisterStartupScript(this.GetType(), "", script, true);

        }

    }

dd__dd 2008-12-15

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没太明白你要取的什么值啊？
知道了id或name不就行了吗，GridVeiw的话设个模板列把这一行要用到的值都绑定在这列你添加的控件value上，用name取对应的值就行了。
treeview也差不多

yumanqing 2008-12-15

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这就是生成的HTML文件，JS如何找到呢？不好意思，不熟悉

yumanqing 2008-12-15

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  <div>

        <a href="#TreeView1_SkipLink"><img alt="跳过导航链接。" src="/WebSite5/WebResource.axd?d=A6pKNurI8cZBe9bKHOa6bQ2&t=633471415347187500" width="0" height="0" style="border-width:0px;" /></a><div id="TreeView1" style="height:90%;width:170px;position: relative">

	<table cellpadding="0" cellspacing="0" style="border-width:0;">

		<tr>

			<td><a id="TreeView1n0" href="javascript:TreeView_ToggleNode(TreeView1_Data,0,TreeView1n0,' ',TreeView1n0Nodes)"><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqvek9cb93Fx__XXIAt-v3A01&t=633471415347187500" alt="折叠 新建节点" style="border-width:0;" /></a></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t0');" id="TreeView1t0">新建节点</a></td>

		</tr>

	</table><div id="TreeView1n0Nodes" style="display:block;">

		<table cellpadding="0" cellspacing="0" style="border-width:0;">

			<tr>

				<td><div style="width:20px;height:1px"></div></td><td><a id="TreeView1n1" href="javascript:TreeView_ToggleNode(TreeView1_Data,1,TreeView1n1,' ',TreeView1n1Nodes)"><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqvek9cb93Fx__XXIAt-v3A01&t=633471415347187500" alt="折叠 新建节点" style="border-width:0;" /></a></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点\\新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t1');" id="TreeView1t1">新建节点</a></td>

			</tr>

		</table><div id="TreeView1n1Nodes" style="display:block;">

			<table cellpadding="0" cellspacing="0" style="border-width:0;">

				<tr>

					<td><div style="width:20px;height:1px"></div></td><td><div style="width:20px;height:1px"></div></td><td><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqneje2bfwtopj9ylkfZPJuE1&t=633471415347187500" alt="" /></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点\\新建节点\\新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t2');" id="TreeView1t2">新建节点</a></td>

				</tr>

			</table>

		</div>

	</div><table cellpadding="0" cellspacing="0" style="border-width:0;">

		<tr>

			<td><a id="TreeView1n3" href="javascript:TreeView_ToggleNode(TreeView1_Data,3,TreeView1n3,' ',TreeView1n3Nodes)"><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqvek9cb93Fx__XXIAt-v3A01&t=633471415347187500" alt="折叠 新建节点" style="border-width:0;" /></a></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t3');" id="TreeView1t3">新建节点</a></td>

		</tr>

	</table><div id="TreeView1n3Nodes" style="display:block;">

		<table cellpadding="0" cellspacing="0" style="border-width:0;">

			<tr>

				<td><div style="width:20px;height:1px"></div></td><td><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqneje2bfwtopj9ylkfZPJuE1&t=633471415347187500" alt="" /></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点\\新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t4');" id="TreeView1t4">新建节点</a></td>

			</tr>

		</table>

	</div><table cellpadding="0" cellspacing="0" style="border-width:0;">

		<tr>

			<td><a id="TreeView1n5" href="javascript:TreeView_ToggleNode(TreeView1_Data,5,TreeView1n5,' ',TreeView1n5Nodes)"><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqvek9cb93Fx__XXIAt-v3A01&t=633471415347187500" alt="折叠 新建节点" style="border-width:0;" /></a></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t5');" id="TreeView1t5">新建节点</a></td>

		</tr>

	</table><div id="TreeView1n5Nodes" style="display:block;">

		<table cellpadding="0" cellspacing="0" style="border-width:0;">

			<tr>

				<td><div style="width:20px;height:1px"></div></td><td><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqneje2bfwtopj9ylkfZPJuE1&t=633471415347187500" alt="" /></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点\\新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t6');" id="TreeView1t6">新建节点</a></td>

			</tr>

		</table>

	</div><table cellpadding="0" cellspacing="0" style="border-width:0;">

		<tr>

			<td><a id="TreeView1n7" href="javascript:TreeView_ToggleNode(TreeView1_Data,7,TreeView1n7,' ',TreeView1n7Nodes)"><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqvek9cb93Fx__XXIAt-v3A01&t=633471415347187500" alt="折叠 新建节点" style="border-width:0;" /></a></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t7');" id="TreeView1t7">新建节点</a></td>

		</tr>

	</table><div id="TreeView1n7Nodes" style="display:block;">

		<table cellpadding="0" cellspacing="0" style="border-width:0;">

			<tr>

				<td><div style="width:20px;height:1px"></div></td><td><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqneje2bfwtopj9ylkfZPJuE1&t=633471415347187500" alt="" /></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点\\新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t8');" id="TreeView1t8">新建节点</a></td>

			</tr>

		</table>

	</div><table cellpadding="0" cellspacing="0" style="border-width:0;">

		<tr>

			<td><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqneje2bfwtopj9ylkfZPJuE1&t=633471415347187500" alt="" /></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t9');" id="TreeView1t9">新建节点</a></td>

		</tr>

	</table><table cellpadding="0" cellspacing="0" style="border-width:0;">

		<tr>

			<td><img src="/WebSite5/WebResource.axd?d=yc7X5sc7fLVtRpfSXrhcqneje2bfwtopj9ylkfZPJuE1&t=633471415347187500" alt="" /></td><td style="white-space:nowrap;"><a class="TreeView1_0" href="javascript:__doPostBack('TreeView1','s新建节点')" onclick="TreeView_SelectNode(TreeView1_Data, this,'TreeView1t10');" id="TreeView1t10">新建节点</a></td>

		</tr>

	</table>

</div><a id="TreeView1_SkipLink"></a>

        <input type="submit" name="Button2" value="确定(服务器)" id="Button2" style="left: 47px;

            position: relative; top: 0px" />

            <input id="Button1" style="position: relative; left: -114px; top: 0px;" type="button" value="确定"  onclick="selectCode()"/>

    </div>

Jack123 2008-12-15

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JS返回数据可以。

游北亮 2008-12-15

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右键查看一下生成的html代码，就可以知道生成的Treeview或Gridview的Dom结构了
再去用js操作就快捷了

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