大家帮忙看看 急 为什么老是出现死锁

Question

  //定时器
        private void timer1_Tick(object sender, EventArgs e)
        {
            string cout = "select count(*) from u_showKc";
            SqlConnection conn = new SqlConnection(Properties.Settings.Default.test);
            SqlCommand cmd = new SqlCommand(cout, conn);
            conn.Open();
            cmd.CommandTimeout = 900000000;
            int max = (int)cmd.ExecuteScalar();
            conn.Close();
            if (max != ucPage1.Max)
            {
                this.ucPage1.InitPaging();
            }
            if (this.ucPage1.CurPage < ucPage1.PageCount-1)
            {
                this.ucPage1.CurPage++;
                this.ucPage1.LoadPage();
            }
            if (this.ucPage1.CurPage == ucPage1.PageCount - 1)
            {
                this.ucPage1.CurPage = 0;
                this.ucPage1.LoadPage();
            }
            
        }大家帮忙看看这个有什么逻辑错误 为什么老是出现死锁

Answer 1

            if (max != ucPage1.Max)
            {
                this.ucPage1.InitPaging();
            }
            if (this.ucPage1.CurPage < ucPage1.PageCount-1)
            {
                this.ucPage1.CurPage++;
                this.ucPage1.LoadPage();
            }
            if (this.ucPage1.CurPage == ucPage1.PageCount - 1)
            {
                this.ucPage1.CurPage = 0;
                this.ucPage1.LoadPage();
            }
第三个有问题

Answer 2

定时器....把定时器改称button看看

Answer 3

cmd.CommandTimeout = 900000000;
估计是这句引起的。