http://bbs.csdn.net/topics/370139193
|
1
2
3
4
5
6
|
CREATE TABLE [dbo].[Company] (
[Id] [int] IDENTITY (1, 1) Primary Key NOT NULL ,
[Levers] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[LevelId] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[Name] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ) |
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
public partial class Form1 : Form
{
public string rootId = "-1";
public Form1()
{
InitializeComponent();
AddRootCompany(rootId);
AddSubCompany();
}
/// <summary>
/// 添加总公司
/// </summary>
/// <param name="rootId"></param>
private void AddRootCompany(string rootId)
{
DataSet ds = new DataSet();
using (SqlConnection con = new SqlConnection("Data Source=localhost;uid=sa;pwd=saiyang;Database=CSDN"))
{
con.Open();
string strSQL = "select * from Company where Levers='" + rootId + "'";
using (SqlDataAdapter adapter = new SqlDataAdapter(strSQL, con))
{
adapter.Fill(ds);
}
TreeNode NewNode = new TreeNode();
NewNode.Text = ds.Tables[0].Rows[0]["Name"].ToString().Trim();
this.treeView1.Nodes.Add(NewNode);
}
}
/// <summary>
/// 添加子公司
/// </summary>
private void AddSubCompany()
{
DataSet ds = getMenuByLevel(rootId.ToString());
for (int j = 0; j < ds.Tables[0].Rows.Count; j++)
{
InitTreeCompanyChildNode(treeView1.Nodes[j], ds.Tables[0].Rows[j]["LevelId"].ToString());
}
}
/// <summary>
/// 获取层次级别
/// </summary>
/// <param name="getparams"></param>
/// <returns></returns>
public DataSet getMenuByLevel(string param)
{
DataSet ds = new DataSet();
using (SqlConnection con = new SqlConnection("Data Source=localhost;Initial Catalog=CSDN;User ID=sa;Password=saiyang"))
{
con.Open();
string strSQL = "select * from Company where Levers='" + param + "'";
using (SqlDataAdapter adapter = new SqlDataAdapter(strSQL, con))
{
adapter.Fill(ds);
}
}
return ds;
}
/// <summary>
/// 递归获取子节点
/// </summary>
/// <param name="PNode"></param>
/// <param name="classParentID"></param>
private void InitTreeCompanyChildNode(TreeNode pNode, string classParentID)
{
DataSet ds = getMenuByLevel(classParentID);
DataView dataView = new DataView();
dataView = ds.Tables[0].DefaultView;
foreach (DataRowView drv in dataView)
{
string id = drv["LevelId"].ToString();
string name = drv["Name"].ToString();
TreeNode NewNode = new TreeNode();
//将子公司添加到父节点下面
NewNode.Text = name;
pNode.Nodes.Add(NewNode);
InitTreeCompanyChildNode(NewNode, id);
}
}
}
|