private void Rpot_ItemList_Load(object sender, EventArgs e) { cb_ctgy = cbx_ctgy; cb_Subctgy = cbx_subctgy; pnl_itmlst.Controls.Clear(); Rpot_ItemList1 ilist1 = new Rpot_ItemList1(); ilist1.TopLevel = false; ilist1.Visible = true; pnl_itmlst.Controls.Add(ilist1); String csql = "SELECT*FROM tbl_catogory"; SqlDataAdapter cget = new SqlDataAdapter(csql, ConnectionDB.Connection()); DataTable cdt = new DataTable(); cget.Fill(cdt); for (int i = 0; i < cdt.Rows.Count; i++) { cbx_ctgy.Items.Add(cdt.Rows[i]["catogory"]); } }
private void button1_Click(object sender, EventArgs e) { pnl_itmlst.Controls.Clear(); Rpot_ItemList1 ilist1 = new Rpot_ItemList1(); ilist1.TopLevel = false; ilist1.Visible = true; pnl_itmlst.Controls.Add(ilist1); cbx_ctgy.Text = ""; cbx_subctgy.Text = ""; cbx_subctgy.Items.Clear(); }