ListView.Items.Clear Not Working

Question

i am trying to populate listview on selection of node from treeview but every time i select node its get append in the listview my Listview.Items.Clear() function not working. My Code:

listView1.Clear();
            if (this.treeView1.SelectedNode.Tag != null)
            {
                string msg = this.treeView1.SelectedNode.Tag.ToString();
                int complaint_id = Convert.ToInt32(msg);
                PopulateDataTable2(complaint_id);
                foreach (DataRow row11 in dsTreeView_Info.Tables["Complaints_Info"].Rows)
                {
                    listView1.Items.Add(new ListViewItem() { Text = row11["Complaint_Descriptions_Info"].ToString() });
                }
            }

Answer 1

i am not clearing the data-set after forecah. so it item keep adding.

 dsTreeView_Info.Clear();

Thanks " DJ KRAZE".