public void loadComboBoxNhaXuatBan() { DBService db = new DBService(); db.openconn(); DataTable dt = db.getDataTable("select * from NhomNhaXuatBan"); cbNhaXuatBan.DataSource = dt; cbNhaXuatBan.DisplayMember = "NXB_id"; cbNhaXuatBan.ValueMember = "NXB_name"; if (txtNhaXB.Text == "System.Data.DataRowView") { txtNhaXB.Text = ""; } db.closeconn(); }
public void loadComboBoxTheLoai() { DBService db = new DBService(); db.openconn(); DataTable dt = db.getDataTable("select * from NhomTheLoai"); cbTheLoai.DataSource = dt; cbTheLoai.DisplayMember = "NTL_id"; cbTheLoai.ValueMember = "NTL_name"; if (txtTheLoai.Text == "System.Data.DataRowView") { txtTheLoai.Text = ""; } db.closeconn(); }