protected void TextBox4_TextChanged(object sender, EventArgs e) { try { { DropDownList1.DataSource = null; System.Data.DataTable lsp = new System.Data.DataTable(); { string sql = "select id_loai_san_pham, ten_loai_san_pham from loai_san_pham where cap_do_loai_san_pham = " + (int.Parse(TextBox4.Text) - 1); WebApplication2.YNNSHOP56131778.CONGFIG.connect cnt = new WebApplication2.YNNSHOP56131778.CONGFIG.connect(); System.Data.SqlClient.SqlConnection ketnoi = new System.Data.SqlClient.SqlConnection(connect.getconnect()); System.Data.SqlClient.SqlCommand lenh = new System.Data.SqlClient.SqlCommand(sql, ketnoi); ketnoi.Open(); System.Data.SqlClient.SqlDataAdapter data = new System.Data.SqlClient.SqlDataAdapter(lenh); data.Fill(lsp); ketnoi.Close(); for (int i = 0; i < lsp.Rows.Count; i++) { lsp.Rows[i][1] = mH.Base64Decode(lsp.Rows[i][1].ToString()); } if ((int.Parse(TextBox4.Text)) == 0) { System.Data.DataRow row; row = lsp.NewRow(); row[0] = 0; row[1] = "cao nhất"; lsp.Rows.Add(row); } DropDownList1.DataSource = lsp; DropDownList1.DataTextField = "ten_loai_san_pham"; DropDownList1.DataValueField = "id_loai_san_pham"; DropDownList1.DataBind(); try { DropDownList1.Items.FindByValue(id_cha + "").Selected = true; } catch (Exception a) { } } } } catch (Exception x) { } }
protected void Page_Load(object sender, EventArgs e) { id_loai_san_pham = 0; connect = new connect(); mH = new WebApplication2.QuanTri.maHoa(); try { if (Request.QueryString["id_loai_san_pham"] != null && Request.QueryString["id_loai_san_pham"] != "") { id_loai_san_pham = int.Parse(Request.QueryString["id_loai_san_pham"]); } } catch (Exception a) { } if (id_loai_san_pham == 0) { Response.Redirect("danhsachloaisanpham.aspx"); } System.Data.DataTable ds = new System.Data.DataTable(); { string sql = "select id_loai_san_pham, ten_loai_san_pham, anh_loai_san_pham, bieu_tuong_loai_san_pham, cap_do_loai_san_pham, id_cha_loai_san_pham from loai_san_pham where id_loai_san_pham=" + id_loai_san_pham; WebApplication2.YNNSHOP56131778.CONGFIG.connect cnt = new WebApplication2.YNNSHOP56131778.CONGFIG.connect(); System.Data.SqlClient.SqlConnection ketnoi = new System.Data.SqlClient.SqlConnection(connect.getconnect()); System.Data.SqlClient.SqlCommand lenh = new System.Data.SqlClient.SqlCommand(sql, ketnoi); ketnoi.Open(); System.Data.SqlClient.SqlDataAdapter data = new System.Data.SqlClient.SqlDataAdapter(lenh); data.Fill(ds); ketnoi.Close(); id_cha = ds.Rows[0][5].ToString(); if (!IsPostBack) { TextBox1.Text = mH.Base64Decode(ds.Rows[0][1].ToString()); TextBox4.Text = ds.Rows[0][4].ToString(); } //TextBox4.Text = ds.Rows[0][4].ToString(); } System.Data.DataTable lsp = new System.Data.DataTable(); { string sql = "select id_loai_san_pham, ten_loai_san_pham from loai_san_pham where cap_do_loai_san_pham = " + (int.Parse(TextBox4.Text) - 1); WebApplication2.YNNSHOP56131778.CONGFIG.connect cnt = new WebApplication2.YNNSHOP56131778.CONGFIG.connect(); System.Data.SqlClient.SqlConnection ketnoi = new System.Data.SqlClient.SqlConnection(connect.getconnect()); System.Data.SqlClient.SqlCommand lenh = new System.Data.SqlClient.SqlCommand(sql, ketnoi); ketnoi.Open(); System.Data.SqlClient.SqlDataAdapter data = new System.Data.SqlClient.SqlDataAdapter(lenh); data.Fill(lsp); ketnoi.Close(); for (int i = 0; i < lsp.Rows.Count; i++) { lsp.Rows[i][1] = mH.Base64Decode(lsp.Rows[i][1].ToString()); } if ((int.Parse(TextBox4.Text)) == 0) { System.Data.DataRow row; row = lsp.NewRow(); row[0] = 0; row[1] = "cao nhất"; lsp.Rows.Add(row); } DropDownList1.DataSource = lsp; DropDownList1.DataTextField = "ten_loai_san_pham"; DropDownList1.DataValueField = "id_loai_san_pham"; DropDownList1.DataBind(); try { DropDownList1.Items.FindByValue(id_cha + "").Selected = true; }catch (Exception a) { } } }