【小山】ASP.NET2.0 TreeView
待續
1.html程式碼
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Pagetitle>
<script language="javascript">
function chkAll()
{
//debugger;
var chkall= document.all["chkall"];
var chkother= document.getElementsByTagName("input");
for (var i=0;i<chkother.length;i++)
{
if( chkother[i].type=='checkbox')
{
if(chkother[i].id.indexOf('TreeView1')>-1)
{
if(chkall.checked==true)
{
chkother[i].checked=true;
}
else
{
chkother[i].checked=false;
}
}
}
}
}
script>
head>
<body>
<form id="form1" runat="server">
<table width=100% height=100%>
<tr height=10>
<td><input id="chkall" type="checkbox" onclick="chkAll();" />全選/取消td>
<td><asp:Button ID="Button1" runat="server" Text="Button" />td>
tr>
<tr valign=top>
<td><asp:TreeView ID="TreeView1" runat="server" >asp:TreeView>td>
<td><iframe id=fMain style="BORDER-TOP-STYLE.: none; BORDER-RIGHT-STYLE.: none; BORDER-LEFT-STYLE.: none; BORDER-BOTTOM-STYLE.: none"
src="" frameBorder="0" width="100%" scrolling="yes" height="100%">iframe>td>
tr>
<tr height=10>
<td>td>
tr>
table>
form>
body>
html>
2.cs程式碼
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Page_Wonderful_TreeView_System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
//BindTree();
InitTree();
}
}
主從表繫結#region 主從表繫結
private void BindTree()
{
DataSet dst = GetTreeViewData();
TreeView1.ShowCheckBoxes = TreeNodeTypes.All;
foreach (DataRow masterRow in dst.Tables["province"].Rows)
{
TreeNode masterNode = new TreeNode((string)masterRow["province"]);
TreeView1.Nodes.Add(masterNode);
foreach (DataRow childRow in masterRow.GetChildRows("Children"))
{
TreeNode childNode =new TreeNode((string)childRow["city"]);
masterNode.Expanded = false;
masterNode.ChildNodes.Add(childNode);
}
}
}
private DataSet GetTreeViewData()
{
string constring = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];
SqlConnection con = new SqlConnection(constring);
SqlDataAdapter daprovince = new SqlDataAdapter("SELECT * FROM province", con);
SqlDataAdapter dacity = new SqlDataAdapter("SELECT * FROM city", con);
DataSet ds = new DataSet();
daprovince.Fill(ds, "province");
dacity.Fill(ds, "city");
ds.Relations.Add("Children", ds.Tables["province"].Columns["provinceid"], ds.Tables["city"].Columns["father"]);
return ds;
}
#endregion
遞迴繫結同一個表資料#region 遞迴繫結同一個表資料
private void InitTree()
{
DataTable dt = GetTreeViewTable();
DataView dv = new DataView(dt);
dv.RowFilter = "ParentID=0";
TreeView1.ShowCheckBoxes = TreeNodeTypes.All;
foreach (DataRowView drv in dv)
{
TreeNode node = new TreeNode();
node.Text = drv["text"].ToString();
node.Value = drv["ID"].ToString();
node.Expanded = false;
TreeView1.Nodes.Add(node);
AddReplies(dt,node);
}
}
private DataTable GetTreeViewTable()
{
string constring = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];
SqlConnection con = new SqlConnection(constring);
SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM treeview", con);
DataTable dt = new DataTable();
da.Fill(dt);
return dt;
}
private void AddReplies(DataTable dt, TreeNode node)
{
DataView dv = new DataView(dt);
dv.RowFilter = "ParentID='" + node.Value + "'";
foreach (DataRowView row in dv)
{
![【小山】ASP.NET2.0 TreeView]()
1.html程式碼
<html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>Untitled Pagetitle> <script language="javascript"> function chkAll() { //debugger; var chkall= document.all["chkall"]; var chkother= document.getElementsByTagName("input"); for (var i=0;i<chkother.length;i++) { if( chkother[i].type=='checkbox') { if(chkother[i].id.indexOf('TreeView1')>-1) { if(chkall.checked==true) { chkother[i].checked=true; } else { chkother[i].checked=false; } } } } } script>head><body> <form id="form1" runat="server"> <table width=100% height=100%> <tr height=10> <td><input id="chkall" type="checkbox" onclick="chkAll();" />全選/取消td> <td><asp:Button ID="Button1" runat="server" Text="Button" />td> tr> <tr valign=top> <td><asp:TreeView ID="TreeView1" runat="server" >asp:TreeView>td> <td><iframe id=fMain style="BORDER-TOP-STYLE.: none; BORDER-RIGHT-STYLE.: none; BORDER-LEFT-STYLE.: none; BORDER-BOTTOM-STYLE.: none" src="" frameBorder="0" width="100%" scrolling="yes" height="100%">iframe>td> tr> <tr height=10> <td>td> tr> table> form>body>html>using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Data.SqlClient;public partial class Page_Wonderful_TreeView_System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { //BindTree(); InitTree(); } } 主從表繫結#region 主從表繫結 private void BindTree() { DataSet dst = GetTreeViewData(); TreeView1.ShowCheckBoxes = TreeNodeTypes.All; foreach (DataRow masterRow in dst.Tables["province"].Rows) { TreeNode masterNode = new TreeNode((string)masterRow["province"]); TreeView1.Nodes.Add(masterNode); foreach (DataRow childRow in masterRow.GetChildRows("Children")) { TreeNode childNode =new TreeNode((string)childRow["city"]); masterNode.Expanded = false; masterNode.ChildNodes.Add(childNode); } } } private DataSet GetTreeViewData() { string constring = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]; SqlConnection con = new SqlConnection(constring); SqlDataAdapter daprovince = new SqlDataAdapter("SELECT * FROM province", con); SqlDataAdapter dacity = new SqlDataAdapter("SELECT * FROM city", con); DataSet ds = new DataSet(); daprovince.Fill(ds, "province"); dacity.Fill(ds, "city"); ds.Relations.Add("Children", ds.Tables["province"].Columns["provinceid"], ds.Tables["city"].Columns["father"]); return ds; } #endregion 遞迴繫結同一個表資料#region 遞迴繫結同一個表資料 private void InitTree() { DataTable dt = GetTreeViewTable(); DataView dv = new DataView(dt); dv.RowFilter = "ParentID=0"; TreeView1.ShowCheckBoxes = TreeNodeTypes.All; foreach (DataRowView drv in dv) { TreeNode node = new TreeNode(); node.Text = drv["text"].ToString(); node.Value = drv["ID"].ToString(); node.Expanded = false; TreeView1.Nodes.Add(node); AddReplies(dt,node); } } private DataTable GetTreeViewTable() { string constring = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]; SqlConnection con = new SqlConnection(constring); SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM treeview", con); DataTable dt = new DataTable(); da.Fill(dt); return dt; } private void AddReplies(DataTable dt, TreeNode node) { DataView dv = new DataView(dt); dv.RowFilter = "ParentID='" + node.Value + "'"; foreach (DataRowView row in dv) {來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/12639172/viewspace-374437/，如需轉載，請註明出處，否則將追究法律責任。
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