aspx 页面代码
<head runat="server">
<title>Untitled Page</title>
<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();" />全选/取消</td>
<td><asp:Button ID="Button1" runat="server" Text="Button" /></td>
</tr>
<tr valign=top>
<td><asp:TreeView ID="TreeView1" runat="server"
onselectednodechanged="TreeView1_SelectedNodeChanged" ></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>
aspx.cs代码
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
BindTree();
// InitTree();
}
}
#region 主从表绑定
private void BindTree()
{
DataSet dst = GetTreeViewData();
TreeView1.ShowCheckBoxes = TreeNodeTypes.All;
foreach (DataRow masterRow in dst.Tables["province"].Rows)
{
TreeNode masterNode = new TreeNode();
masterNode.Text = (string)masterRow["B_Name"];
masterNode.Value = masterRow["B_Id"].ToString();
TreeView1.Nodes.Add(masterNode);
foreach (DataRow childRow in masterRow.GetChildRows("Children"))
{
TreeNode childNode =new TreeNode((string)childRow["s_name"]);
masterNode.Expanded = false;
masterNode.ChildNodes.Add(childNode);
}
}
}
private DataSet GetTreeViewData()
{
string constring = System.Configuration.ConfigurationSettings.AppSettings["ConStr"];
SqlConnection con = new SqlConnection(constring);
SqlDataAdapter daprovince = new SqlDataAdapter("SELECT * FROM tb_BigKind", con);
SqlDataAdapter dacity = new SqlDataAdapter("SELECT * FROM tb_SmallKind", con);
DataSet ds = new DataSet();
daprovince.Fill(ds, "province");
dacity.Fill(ds, "city");
ds.Relations.Add("Children", ds.Tables["province"].Columns["B_Id"], ds.Tables["city"].Columns["B_Id"]);
return ds;
}
#endregion
#region 递归绑定同一个表数据
private void InitTree()
{
DataTable dt = GetTreeViewTable();
DataView dv = new DataView(dt);
dv.RowFilter = "kind_fathar_id=0";
TreeView1.ShowCheckBoxes = TreeNodeTypes.All;
foreach (DataRowView drv in dv)
{
TreeNode node = new TreeNode();
node.Text = drv["kind_name"].ToString();
node.Value = drv["kind_id"].ToString();
node.Expanded = false;
TreeView1.Nodes.Add(node);
AddReplies(dt,node);
}
}
private DataTable GetTreeViewTable()
{
string constring = System.Configuration.ConfigurationSettings.AppSettings["ConStr"];
SqlConnection con = new SqlConnection(constring);
SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM tb_kind", con);
DataTable dt = new DataTable();
da.Fill(dt);
return dt;
}
private void AddReplies(DataTable dt, TreeNode node)
{
DataView dv = new DataView(dt);
dv.RowFilter = "kind_fathar_id='" + node.Value + "'";
foreach (DataRowView row in dv)
{
TreeNode replyNode = new TreeNode();
replyNode.Text = row["kind_name"].ToString();
replyNode.Value = row["kind_id"].ToString();
replyNode.Expanded = false;
node.ChildNodes.Add(replyNode);
AddReplies(dt,replyNode);
}
}
#endregion
protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
{
WanHePMS.Common.MessageBox.Show(this, this.TreeView1.SelectedNode.Value+" --" +this.TreeView1.SelectedNode.Text);
}
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