校区物业管理系统

jjuhouse405 13 0 RAR 2020-10-28 00:10:57

public partial class login : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { Random validateN = new Random(); this.Label1.Text = validateN.Next(9).ToString() + validateN.Next(9).ToString() + validateN.Next