private void TNodeDel_Click(object sender, EventArgs e)
{
TreeNode tn = treeView.SelectedNode;
if (tn.Tag.ToString().Length / 2 == 1)
{
MessageBox.Show("不能删除根节点");
return;
}
else
{
if (MessageBox.Show("是否要删除该节点?", "确定", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
tTableDiffcult db = new tTableDiffcult();
if (db.Delete(Convert.ToInt32(tn.Tag)))
{
MessageBox.Show("删除节点成功");
}
else
{
MessageBox.Show("删除节点失败");
}
}
update();
}
}
private void treeView_DoubleClick(object sender, EventArgs e)
{
TreeNode tn = treeView.SelectedNode;
tTableDiffcult db = new tTableDiffcult();
DataTable dt = db.Select(Convert.ToInt32(tn.Tag));
MessageBox.Show(string.Format("节点名称:{0}\r\n节点层级:{1}\r\n节点备注:{2}\r\n",
dt.Rows[0]["fName"], dt.Rows[0]["fid"].ToString().Length / 2 - 1, dt.Rows[0]["fRemark"]));
treeView.ExpandAll();
}
private void btnOK_Click(object sender, EventArgs e)
{
tTableDiffcult db = new tTableDiffcult();
if (op.Equals("Add"))
{
int fid = Convert.ToInt32(tn.Tag) * 100 + tn.Nodes.Count;
db.Insert(fid, txtBox_fName.Text, txtBox_fRemark.Text);
}
else if (op.Equals("Edit"))
{
db.updateByID(Convert.ToInt32(tn.Tag), txtBox_fName.Text, txtBox_fRemark.Text);
}
this.Hide();
}
public FormDetail(TreeNode tn, string op)
{
InitializeComponent();
this.tn = tn;
this.op = op;
if (op.Equals("Add"))
{
}
else if (op.Equals("Edit"))
{
tTableDiffcult db = new tTableDiffcult();
DataTable dt = db.Select(Convert.ToInt32(tn.Tag));
btnOK.Text = "修改";
txtBox_fName.Text = dt.Rows[0]["fName"].ToString();
txtBox_fRemark.Text = dt.Rows[0]["fRemark"].ToString();
}
}
private void update()
{
listNode.Clear();
treeView.Nodes.Clear();
tTableDiffcult db = new tTableDiffcult();
DataTable dt = db.SelectAll();
foreach (DataRow row in dt.Rows)
{
TreeNode tn = new TreeNode(row["fName"].ToString());
tn.Tag = row["fid"].ToString();
listNode.Add(tn);
if (tn.Tag.ToString().Length / 2 == 1)
{
treeView.Nodes.Add(tn);
}
else
{
foreach (TreeNode tmpTn in listNode)
{
if (tmpTn.Tag.ToString().Equals(tn.Tag.ToString().Substring(0, tn.Tag.ToString().Length - 2)))
{
tmpTn.Nodes.Add(tn);
break;
}
}
}
}
treeView.ExpandAll();
}
