private void PopulateTreeView(int parentNodeVal, DataTable dt)
{
foreach (DataRow r in dt.Rows)
{
TreeNode t1 = new TreeNode();
TreeNode pIndex = Node(r["PARENT"].ToString());
t1.NodeKey = r["UID"].ToString();
t1.Text = r["NODE"].ToString();
OnNextSnippet(this, new NextSnippetEventArgs(t1.NodeKey));
if (parentNodeVal != -1)
{
// child node
if (pIndex != null)
{
AddNode(t1, pIndex.Key?.ToString());
}
}
else
{
// It's a root node
AddNodeRoot(t1);
}
if (ContainsNode(r["UID"].ToString()))
{
PopulateTreeView(Int32.Parse(r["UID"].ToString()), SnippetDb.PopulateTreeQuery(Int32.Parse(r["UID"].ToString())));
}
}
}
public void PopulateTreeView(int parentNodeVal)
{
if (parentNodeVal == -1 || ContainsNode(parentNodeVal.ToString()))
{
using (DataTable y = SnippetDb.PopulateTreeQuery(parentNodeVal))
{
OnSendTotal(this, new TotalCountEventArgs(y.Rows.Count));
PopulateTreeView(parentNodeVal, y);
OnComplete(this, new EventArgs());
}
}
}