private void PopulateNodes(TreeNodeCollection nodes, int ParentID)
{
DataTable dt = bll.GetList(ParentID);
for (int i = 0; i < dt.Rows.Count; i++)
{
TreeNode tn = new TreeNode();
tn.Text = dt.Rows[i]["categoryname"].ToString();
tn.Value = dt.Rows[i]["categoryid"].ToString();
tn.ImageToolTip = dt.Rows[i]["categoryname"].ToString();
tn.ToolTip = dt.Rows[i]["categoryname"].ToString();
tn.SelectAction = TreeNodeSelectAction.Select;
nodes.Add(tn);
PopulateNodes(tn.ChildNodes, Convert.ToInt32(dt.Rows[i]["categoryid"]));
}
}
private void BindCategory(int ParentID, int Level, string CategoryPath)
{
ListBox box = null;
switch (Level)
{
case 1:
box = ListBox1;
break;
case 2:
box = ListBox2;
break;
case 3:
box = ListBox3;
break;
default:
break;
}
if (box != null)
{
DataTable dt = bll.GetList(ParentID);
if (dt.Rows.Count > 0)
{
box.DataSource = dt;
box.DataTextField = "categoryname";
box.DataValueField = "categoryid";
box.DataBind();
box.Visible = true;
if (CategoryPath == null)
{
box.Items[0].Selected = true;
}
else
{
box.SelectedValue = CategoryPath.Split('/')[Level - 1];
}
SelectedCategoryID = Convert.ToInt32(box.SelectedValue);
BindCategory(Convert.ToInt32(box.SelectedValue), Level + 1, CategoryPath);
}
else
{
switch (Level)
{
case 1:
ListBox1.Visible = false;
ListBox2.Visible = false;
ListBox3.Visible = false;
break;
case 2:
ListBox2.Visible = false;
ListBox3.Visible = false;
break;
case 3:
ListBox3.Visible = false;
break;
default:
break;
}
}
}
}
