protected void btnKiemTra_Click(object sender, EventArgs e) { if (Request.QueryString["type"] == "chuyenchuong") { if (Session["DSCaSauChuyenChuong"] != null && Session["DSCaSauChuyenChuong"].ToString() != "") { lblCSLoai.Text = ""; string strCS = Session["DSCaSauChuyenChuong"].ToString(); string[] arrCS = strCS.Substring(1, strCS.Length - 2).Split(new string[] { "@@" }, StringSplitOptions.RemoveEmptyEntries); for (int i = 0; i < arrCS.Length; i++) { if (csCont.CoTheNhapChuong(int.Parse(arrCS[i]), int.Parse(ddlChuong.SelectedValue), 3) == 0) { lblCSLoai.Text += arrCS[i] + ";"; } } if (lblCSLoai.Text == "") { Page.ClientScript.RegisterStartupScript(typeof(string), "tot", "<script language=javascript>alert('Tất cả đều hợp lệ');</script>", false); } else { btnChuyenMotPhan.Visible = true; Page.ClientScript.RegisterStartupScript(typeof(string), "khonghople", "<script language=javascript>alert('Những con sau đây không hợp lệ: " + lblCSLoai.Text.Remove(lblCSLoai.Text.Length - 1) + "');</script>", false); } } } else if (Request.QueryString["type"] == "editchuyenchuong") { if (hdIDCaSau.Value != "0") { lblCSLoai.Text = ""; if (csCont.CoTheNhapChuong(int.Parse(hdIDCaSau.Value), int.Parse(ddlChuong.SelectedValue), 3) == 0) { lblCSLoai.Text += hdIDCaSau.Value + ";"; } if (lblCSLoai.Text == "") { Page.ClientScript.RegisterStartupScript(typeof(string), "tot", "<script language=javascript>alert('Hợp lệ');</script>", false); } else { Page.ClientScript.RegisterStartupScript(typeof(string), "khonghople", "<script language=javascript>alert('Không hợp lệ');</script>", false); } } } }