GridView三层嵌套加折叠

class="baidu_pl"> <class="tags" href="/tags/DIV.html" title=div>div id="article_content" class="article_content clearfix"> <class="tags" href="/tags/DIV.html" title=div>div id="content_views" class="htmledit_views"> <class="tags" href="/tags/DIV.html" title=div>div class="postText"> 今天在开发遇到一个问题，需求三层嵌套，于是根据孟子的两层嵌套加折叠的基础上，增加为三层嵌套！
下面为效果图：

<class="tags" href="/tags/DIV.html" title=div>div style="border: 1px solid rgb(204, 204, 204); padding: 4px 5px 4px 4px; font-size: 13px; width: 98%; background-color: rgb(238, 238, 238);"> 1

protected void Page_Load( object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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BindParent();
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}
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}
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private void BindParent()
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{
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string class="tags" href="/tags/SQL.html" title=sql>sql = "select * from PageLink where PID=0 order by ID desc";
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DataSet ds = Iwoak.ExecSQL.ExecuteDataset(class="tags" href="/tags/SQL.html" title=sql>sql);
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gvParent.DataSource = ds.Tables[0].DefaultView;
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gvParent.DataBind();
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}
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protected void gvParent_RowDataBound( object sender, GridViewRowEventArgs e)
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{
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if (e.Row.RowType == DataControlRowType.DataRow)
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{
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GridView gvChild = (GridView)e.Row.FindControl("gvChild");
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Label lblID = (Label)e.Row.FindControl("lblID");
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string class="tags" href="/tags/SQL.html" title=sql>sql = "select * from PageLink where PID=" + lblID.Text;
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DataSet ds = Iwoak.ExecSQL.ExecuteDataset(class="tags" href="/tags/SQL.html" title=sql>sql);
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gvChild.DataSource = ds.Tables[0].DefaultView;
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gvChild.RowDataBound += new GridViewRowEventHandler(gvChild_RowDataBound);
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gvChild.DataBind();
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}
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}
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protected void gvChild_RowDataBound( object sender, GridViewRowEventArgs e)
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{
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if (e.Row.RowType == DataControlRowType.DataRow)
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{
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GridView gvlink = (GridView)e.Row.FindControl("gvlink");
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Label lblID = (Label)e.Row.FindControl("lbl_ID");
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string class="tags" href="/tags/SQL.html" title=sql>sql = "select * from PageLink where PID=" + lblID.Text;
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DataSet ds = Iwoak.ExecSQL.ExecuteDataset(class="tags" href="/tags/SQL.html" title=sql>sql);
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gvlink.DataSource = ds.Tables[0].DefaultView;
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gvlink.DataBind();
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}
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} class="tags" href="/tags/DIV.html" title=div>div>
<class="tags" href="/tags/DIV.html" title=div>div style="border: 1px solid rgb(204, 204, 204); padding: 4px 5px 4px 4px; font-size: 13px; width: 98%; background-color: rgb(238, 238, 238);"> 1

< head runat ="class="tags" href="/tags/SERVER.html" title=server>server" >
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< title > 内嵌页链接--列表页面 </ title >
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< script type ="text/class="tags" href="/tags/JAVASCRIPT.html" title=javascript>javascript" language ="class="tags" href="/tags/JAVASCRIPT.html" title=javascript>javascript" >
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function ShowHidden(sid,ev)
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{
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ev = ev || window.event;
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var target = ev.target || ev.srcElement;
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var oDiv = document.getElementById("class="tags" href="/tags/DIV.html" title=div>div" + sid);
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oDiv.style.display = oDiv.style.display == "none"?"block":"none";
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target.title = oDiv.style.display == "none"?"显示":"隐藏";
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var imgid='img'+sid;
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document.getElementById(imgid).src=oDiv.style.display == "none"?"../CommonFiles/images/open.gif":"../CommonFiles/images/close1.gif";
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}
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</ script >
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</ head >
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< body >
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< form id ="form1" runat ="class="tags" href="/tags/SERVER.html" title=server>server" >
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< class="tags" href="/tags/ASP.html" title=asp>asp:GridView ID ="gvParent" runat ="class="tags" href="/tags/SERVER.html" title=server>server" Width ="100%" AutoGenerateColumns ="False"
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EmptyDataText ='<font color ="red" class ="GridViewItem" > 没有找到相关数据！ </ font > '
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OnRowDataBound="gvParent_RowDataBound" >
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< EmptyDataRowStyle HorizontalAlign ="Center" />
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< HeaderStyle ForeColor ="White" HorizontalAlign ="Center" CssClass ="GridViewHeader" />
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< PagerSettings Visible ="False" />
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< Columns >
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< class="tags" href="/tags/ASP.html" title=asp>asp:TemplateField HeaderText ="名称" >
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< itemtemplate >
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< A id ='<%#Eval("ID") % > ' οnclick="ShowHidden(' <% #Eval("id") %> ',event)" href="#">
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< IMG style ="BORDER-RIGHT: 0px; BORDER-TOP: 0px; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px" id ='img<%# Eval("ID")% > '
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alt="展开/折叠" src="../CommonFiles/images/close1.gif" /> <% # Eval("name") %> </ A >
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< class="tags" href="/tags/ASP.html" title=asp>asp:Label ID ="lblID" runat ="class="tags" href="/tags/SERVER.html" title=server>server" Text ='<%#Eval("id") % > ' style="display:none;"> </ class="tags" href="/tags/ASP.html" title=asp>asp:Label >
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< class="tags" href="/tags/DIV.html" title=div>div id ="class="tags" href="/tags/DIV.html" title=div>div<%# Eval(" ID")% > " >
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< class="tags" href="/tags/ASP.html" title=asp>asp:GridView id ="gvChild" runat ="class="tags" href="/tags/SERVER.html" title=server>server" OnRowDataBound ="gvChild_RowDataBound" CssClass ="inputAwoke" Width ="95%" AutoGenerateColumns ="False" ShowHeader ="False" BorderWidth ="0px" HorizontalAlign ="Center" >
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< Columns >
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< class="tags" href="/tags/ASP.html" title=asp>asp:TemplateField >
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< itemtemplate >
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< A id ='<%#Eval("ID") % > ' οnclick="ShowHidden(' <% #Eval("id") %> ',event)" href="#">
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< IMG style ="BORDER-RIGHT: 0px; BORDER-TOP: 0px; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px" id ='img<%# Eval("ID")% > '
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alt="展开/折叠" src="../CommonFiles/images/close1.gif" /> <% # Eval("name") %> </ A >
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< class="tags" href="/tags/ASP.html" title=asp>asp:Label ID ="lbl_ID" runat ="class="tags" href="/tags/SERVER.html" title=server>server" Text ='<%#Eval("id") % > ' style="display:none;"> </ class="tags" href="/tags/ASP.html" title=asp>asp:Label >
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< class="tags" href="/tags/DIV.html" title=div>div id ="class="tags" href="/tags/DIV.html" title=div>div<%# Eval(" ID")% > " >
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< class="tags" href="/tags/ASP.html" title=asp>asp:GridView id ="gvlink" runat ="class="tags" href="/tags/SERVER.html" title=server>server" CssClass ="inputAwoke" Width ="92%" AutoGenerateColumns ="False"
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ShowHeader ="False" BorderWidth ="0px" HorizontalAlign ="Center" >
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< EmptyDataRowStyle HorizontalAlign ="Center" />
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< HeaderStyle ForeColor ="White" HorizontalAlign ="Center" CssClass ="GridViewHeader" />
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< PagerSettings Visible ="False" />
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< Columns >
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< class="tags" href="/tags/ASP.html" title=asp>asp:TemplateField >
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< itemtemplate >
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< a href ="<%# Eval(" UrlPath")% > " target="_blank"> <% # Eval("name") %> </ a >
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</ itemtemplate >
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< ItemStyle CssClass ="GridViewItem" />
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</ class="tags" href="/tags/ASP.html" title=asp>asp:TemplateField >
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</ Columns >
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</ class="tags" href="/tags/ASP.html" title=asp>asp:GridView >
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</ class="tags" href="/tags/DIV.html" title=div>div >
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</ itemtemplate >
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< ItemStyle CssClass ="GridViewItem" />
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</ class="tags" href="/tags/ASP.html" title=asp>asp:TemplateField >
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</ Columns >
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</ class="tags" href="/tags/ASP.html" title=asp>asp:GridView >
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</ class="tags" href="/tags/DIV.html" title=div>div >
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</ itemtemplate >
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< ItemStyle CssClass ="GridViewItem" />
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</ class="tags" href="/tags/ASP.html" title=asp>asp:TemplateField >
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</ Columns >
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</ class="tags" href="/tags/ASP.html" title=asp>asp:GridView >
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</ form >
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</ body > class="tags" href="/tags/DIV.html" title=div>div> class="tags" href="/tags/DIV.html" title=div>div> class="tags" href="/tags/DIV.html" title=div>div> class="tags" href="/tags/DIV.html" title=div>div> <class="tags" href="/tags/DIV.html" title=div>div id="treeSkill">class="tags" href="/tags/DIV.html" title=div>div>

GridView三层嵌套加折叠

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