01.int i;
02. Label lblNum,lblBr;
03. TextBox txtQuan, txtUnit, txtAmount;
04. DropDownList DDLDetailList;
05. for (i = 1; i <= Convert.ToInt32(this.ddlNum.SelectedItem.Value); i++)
06. {
07. lblBr = new Label();
08. lblBr.Text = "<br /><br /><br />";
09.
10. txtQuan = new TextBox();
11. txtQuan.ID = "Quan" + i;
12. txtQuan.Width = 20;
13.
14. DDLDetailList = new DropDownList();
15. DDLDetailList.ID = "Detail" + i;
16.
17. lblNum = new Label();
18. lblNum.Text = Convert.ToString(i);
19.
20. txtUnit = new TextBox();
21. txtUnit.ID = "Unit" + i;
22.
23. txtAmount = new TextBox();
24. txtAmount.ID = "Amoumt" + i;
25.
26. this.Panel1.Controls.Add(lblNum);
27. this.Panel1.Controls.Add(lblBr);
28.
29. this.Panel2.Controls.Add(lblBr);
30. this.Panel2.Controls.Add(DDLDetailList);
31.
32. this.Panel3.Controls.Add(txtQuan);
33. this.Panel3.Controls.Add(lblBr);
34.
35. this.Panel5.Controls.Add(txtUnit);
36. this.Panel5.Controls.Add(lblBr);
37.
38. this.Panel6.Controls.Add(txtAmount);
39. this.Panel6.Controls.Add(lblBr);
