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：
下面为效果图：
1
protectedvoidPage_Load(objectsender,EventArgse)
2
{
3
if(!IsPostBack)
4
{
5BindParent();
6
}
7
}
8
9privatevoidBindParent()
10{
11stringsql="select*fromPageLinkwherePID=0orderbyIDdesc";
12DataSetds=Iwoak.ExecSQL.ExecuteDataset(sql);
13gvParent.DataSource=ds.Tables[0].DefaultView;
14gvParent.DataBind();
15}
16
17
18protectedvoidgvParent_RowDataBound(objectsender,GridViewRowEventArgse)
19{
20if(e.Row.RowType==DataControlRowType.DataRow)
21{
22GridViewgvChild=(GridView)e.Row.FindControl("gvChild");
23LabellblID=(Label)e.Row.FindControl("lblID");
24stringsql="select*fromPageLinkwherePID="+lblID.Text;
25DataSetds=Iwoak.ExecSQL.ExecuteDataset(sql);
26gvChild.DataSource=ds.Tables[0].DefaultView;
27gvChild.RowDataBound+=newGridViewRowEventHandler(gvChild_RowDataBound);
28gvChild.DataBind();
29}
30}
31
32
33protectedvoidgvChild_RowDataBound(objectsender,GridViewRowEventArgse)
34{
35if(e.Row.RowType==DataControlRowType.DataRow)
36{
37GridViewgvlink=(GridView)e.Row.FindControl("gvlink");
38LabellblID=(Label)e.Row.FindControl("lbl_ID");
39stringsql="select*fromPageLinkwherePID="+lblID.Text;
40DataSetds=Iwoak.ExecSQL.ExecuteDataset(sql);
41gvlink.DataSource=ds.Tables[0].DefaultView;
42gvlink.DataBind();
43}
44}
protectedvoidPage_Load(objectsender,EventArgse)2
{3
if(!IsPostBack)4
{5
BindParent();6
}7
}8
9
privatevoidBindParent()10
{11
stringsql="select*fromPageLinkwherePID=0orderbyIDdesc";12
DataSetds=Iwoak.ExecSQL.ExecuteDataset(sql);13
gvParent.DataSource=ds.Tables[0].DefaultView;14
gvParent.DataBind();15
}16
17
18
protectedvoidgvParent_RowDataBound(objectsender,GridViewRowEventArgse)19
{20
if(e.Row.RowType==DataControlRowType.DataRow)21
{22
GridViewgvChild=(GridView)e.Row.FindControl("gvChild");23
LabellblID=(Label)e.Row.FindControl("lblID");24
stringsql="select*fromPageLinkwherePID="+lblID.Text;25
DataSetds=Iwoak.ExecSQL.ExecuteDataset(sql);26
gvChild.DataSource=ds.Tables[0].DefaultView;27
gvChild.RowDataBound+=newGridViewRowEventHandler(gvChild_RowDataBound);28
gvChild.DataBind();29
}30
}31
32
33
protectedvoidgvChild_RowDataBound(objectsender,GridViewRowEventArgse)34
{35
if(e.Row.RowType==DataControlRowType.DataRow)36
{37
GridViewgvlink=(GridView)e.Row.FindControl("gvlink");38
LabellblID=(Label)e.Row.FindControl("lbl_ID");39
stringsql="select*fromPageLinkwherePID="+lblID.Text;40
DataSetds=Iwoak.ExecSQL.ExecuteDataset(sql);41
gvlink.DataSource=ds.Tables[0].DefaultView;42
gvlink.DataBind();43
}44
}
1<headrunat="server">
2<title>内嵌页链接--列表页面</title>
3<scripttype="text/javascript"language="javascript">
4functionShowHidden(sid,ev)
5{
6ev=ev||window.event;
7vartarget=ev.target||ev.srcElement;
8varoDiv=document.getElementById("div"+sid);
9oDiv.style.display=oDiv.style.display=="none"?"block":"none";
10target.title=oDiv.style.display=="none"?"显示":"隐藏";
11varimgid='img'+sid;
12document.getElementById(imgid).src=oDiv.style.display=="none"?"../CommonFiles/images/open.gif":"../CommonFiles/images/close1.gif";
13}
14</script>
15</head>
16<body>
17<formid="form1"runat="server">
18
19<asp:GridViewID="gvParent"runat="server"Width="100%"AutoGenerateColumns="False"
20EmptyDataText='<fontcolor="red"class="GridViewItem">没有找到相关数据！</font>'
21OnRowDataBound="gvParent_RowDataBound">
22<EmptyDataRowStyleHorizontalAlign="Center"/>
23<HeaderStyleForeColor="White"HorizontalAlign="Center"CssClass="GridViewHeader"/>
24<PagerSettingsVisible="False"/>
25<Columns>
26<asp:TemplateFieldHeaderText="名称">
27<itemtemplate>
28<Aid='<%#Eval("ID")%>'onclick="ShowHidden('<%#Eval("id")%>',event)"href="#">
29<IMGstyle="BORDER-RIGHT:0px;BORDER-TOP:0px;BORDER-LEFT:0px;BORDER-BOTTOM:0px"id='img<%#Eval("ID")%>'
30alt="展开/折叠"src="../CommonFiles/images/close1.gif"/><%#Eval("name")%></A>
31<asp:LabelID="lblID"runat="server"Text='<%#Eval("id")%>'style="display:none;"></asp:Label>
32<divid="div<%#Eval("ID")%>">
33<asp:GridViewid="gvChild"runat="server"OnRowDataBound="gvChild_RowDataBound"CssClass="inputAwoke"Width="95%"AutoGenerateColumns="False"ShowHeader="False"BorderWidth="0px"HorizontalAlign="Center">
34<Columns>
35<asp:TemplateField>
36<itemtemplate>
37<Aid='<%#Eval("ID")%>'onclick="ShowHidden('<%#Eval("id")%>',event)"href="#">
38<IMGstyle="BORDER-RIGHT:0px;BORDER-TOP:0px;BORDER-LEFT:0px;BORDER-BOTTOM:0px"id='img<%#Eval("ID")%>'
39alt="展开/折叠"src="../CommonFiles/images/close1.gif"/><%#Eval("name")%></A>
40<asp:LabelID="lbl_ID"runat="server"Text='<%#Eval("id")%>'style="display:none;"></asp:Label>
41<divid="div<%#Eval("ID")%>">
42<asp:GridViewid="gvlink"runat="server"CssClass="inputAwoke"Width="92%"AutoGenerateColumns="False"
43ShowHeader="False"BorderWidth="0px"HorizontalAlign="Center">
44<EmptyDataRowStyleHorizontalAlign="Center"/>
45<HeaderStyleForeColor="White"HorizontalAlign="Center"CssClass="GridViewHeader"/>
46<PagerSettingsVisible="False"/>
47<Columns>
48<asp:TemplateField>
49<itemtemplate>
50<ahref="<%#Eval("UrlPath")%>"target="_blank"><%#Eval("name")%></a>
51</itemtemplate>
52<ItemStyleCssClass="GridViewItem"/>
53</asp:TemplateField>
54</Columns>
55</asp:GridView>
56
57</div>
58</itemtemplate>
59<ItemStyleCssClass="GridViewItem"/>
60</asp:TemplateField>
61</Columns>
62
63</asp:GridView>
64</div>
65</itemtemplate>
66<ItemStyleCssClass="GridViewItem"/>
67</asp:TemplateField>
68
69</Columns>
70</asp:GridView>
71
72</form>
73</body>
<headrunat="server">2
<title>内嵌页链接--列表页面</title>3
<scripttype="text/javascript"language="javascript">4
functionShowHidden(sid,ev)5
{6
ev=ev||window.event;7
vartarget=ev.target||ev.srcElement;8
varoDiv=document.getElementById("div"+sid);9
oDiv.style.display=oDiv.style.display=="none"?"block":"none";10
target.title=oDiv.style.display=="none"?"显示":"隐藏";11
varimgid='img'+sid;12
document.getElementById(imgid).src=oDiv.style.display=="none"?"../CommonFiles/images/open.gif":"../CommonFiles/images/close1.gif";13
}14
</script>15
</head>16
<body>17
<formid="form1"runat="server">18
19
<asp:GridViewID="gvParent"runat="server"Width="100%"AutoGenerateColumns="False"20
EmptyDataText='<fontcolor="red"class="GridViewItem">没有找到相关数据！</font>'21
OnRowDataBound="gvParent_RowDataBound">22
<EmptyDataRowStyleHorizontalAlign="Center"/>23
<HeaderStyleForeColor="White"HorizontalAlign="Center"CssClass="GridViewHeader"/>24
<PagerSettingsVisible="False"/>25
<Columns>26
<asp:TemplateFieldHeaderText="名称">27
<itemtemplate>28
<Aid='<%#Eval("ID")%>'onclick="ShowHidden('<%#Eval("id")%>',event)"href="#">29
<IMGstyle="BORDER-RIGHT:0px;BORDER-TOP:0px;BORDER-LEFT:0px;BORDER-BOTTOM:0px"id='img<%#Eval("ID")%>'30
alt="展开/折叠"src="../CommonFiles/images/close1.gif"/><%#Eval("name")%></A>31
<asp:LabelID="lblID"runat="server"Text='<%#Eval("id")%>'style="display:none;"></asp:Label>32
<divid="div<%#Eval("ID")%>">33
<asp:GridViewid="gvChild"runat="server"OnRowDataBound="gvChild_RowDataBound"CssClass="inputAwoke"Width="95%"AutoGenerateColumns="False"ShowHeader="False"BorderWidth="0px"HorizontalAlign="Center">34
<Columns>35
<asp:TemplateField>36
<itemtemplate>37
<Aid='<%#Eval("ID")%>'onclick="ShowHidden('<%#Eval("id")%>',event)"href="#">38
<IMGstyle="BORDER-RIGHT:0px;BORDER-TOP:0px;BORDER-LEFT:0px;BORDER-BOTTOM:0px"id='img<%#Eval("ID")%>'39
alt="展开/折叠"src="../CommonFiles/images/close1.gif"/><%#Eval("name")%></A>40
<asp:LabelID="lbl_ID"runat="server"Text='<%#Eval("id")%>'style="display:none;"></asp:Label>41
<divid="div<%#Eval("ID")%>">42
<asp:GridViewid="gvlink"runat="server"CssClass="inputAwoke"Width="92%"AutoGenerateColumns="False"43
ShowHeader="False"BorderWidth="0px"HorizontalAlign="Center">44
<EmptyDataRowStyleHorizontalAlign="Center"/>45
<HeaderStyleForeColor="White"HorizontalAlign="Center"CssClass="GridViewHeader"/>46
<PagerSettingsVisible="False"/>47
<Columns>48
<asp:TemplateField>49
<itemtemplate>50
<ahref="<%#Eval("UrlPath")%>"target="_blank"><%#Eval("name")%></a>51
</itemtemplate>52
<ItemStyleCssClass="GridViewItem"/>53
</asp:TemplateField>54
</Columns>55
</asp:GridView>56
57
</div>58
</itemtemplate>59
<ItemStyleCssClass="GridViewItem"/>60
</asp:TemplateField>61
</Columns>62
63
</asp:GridView>64
</div>65
</itemtemplate>66
<ItemStyleCssClass="GridViewItem"/>67
</asp:TemplateField>68
69
</Columns>70
</asp:GridView>71
72
</form>73
</body>
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