public BudgetTreeNodeHelper(DataTable dt)
{
if (dt == null || dt.Rows.Count == 0)
{
return;
}
budgetTree = new List <BudgetTreeNode>();
foreach (DataRow row in dt.Rows)
{
BudgetTreeNode node = new BudgetTreeNode(row);
if (ContainsNode(budgetTree, node.Id))
{
continue;
}
if (string.IsNullOrEmpty(row["ParentId"].ToString()) || row["ParentId"].ToString() == "-1")
{
node.state = "open";
budgetTree.Add(node);
}
else
{
AddNode(node, dt);
}
}
}
private void AddNode(BudgetTreeNode node, DataTable dt)
{
BudgetTreeNode parent = searchNode(node.ParentId);
if (parent == null)
{
DataRow row = searchNode(dt, node.ParentId);
if (row == null)
{
budgetTree.Add(node);
return;
}
parent = new BudgetTreeNode(row);
parent.children.Add(node);
AddNode(parent, dt);
}
else
{
if (!ContainsNode(parent.children, node.Id))
{
parent.children.Add(node);
}
}
}
