private void GetTree()
{
DataTable dt = new DataTable();
var sql = @"
select OUID,ParentOUID,OUCode,OUName,OUShortName from tbl_Base_OUInfo where LEN(oucode) in(10,15)
order by LEN(oucode),OrderNo,ParentOUID";
dt = dataprovider.FillDataTable(sql, CommandType.Text);
var list = DatatableToHash(dt); var r = new List<Hashtable>();
Hashtable root = new Hashtable();
//集团公司
root = list.Find(p => p["OUID"].ToString() == "CCB93E1A-CC22-4120-B99F-62E941CC6E4A".ToLower());
TreeData(list, root, "CCB93E1A-CC22-4120-B99F-62E941CC6E4A".ToLower());
r.Add(root); TreeNode root1 = new TreeNode(r[0]["OUName"].ToString());
root1.Name = r[0]["OUID"].ToString(); if (r[0].ContainsKey("children"))
{
var children = r[0]["children"] as List<Hashtable>;
TreeBindData(root1, children);
} this.treeView1.Nodes.AddRange(new System.Windows.Forms.TreeNode[] { root1 }); }
private void TreeBindData(TreeNode node,List<Hashtable> list)
{ for(int i = 0; i < list.Count; i++)
{
if (list[i].ContainsKey("children"))
{
var children = list[i]["children"] as List<Hashtable>;
TreeNode root1 = new TreeNode(list[i]["OUName"].ToString());
root1.Name = list[i]["OUID"].ToString();
TreeBindData(root1, children);
node.Nodes.Add(root1);
}
else {
TreeNode root1 = new TreeNode(list[i]["OUName"].ToString());
root1.Name = list[i]["OUID"].ToString();
node.Nodes.Add(root1);
}
}
}
效果：
