摘要:
treeview1.Selected := treeview1.Items.Add(nil, '新节点 ');select substring(convert(varchar(50),convert(datetime,'9:12:45'),126),12,8)SELECT datename(WEEKDAY, GETDATE()) as t1 ------------得到星期五select datepart(WEEKDAY,getdate()-1)------------------显示当月第一天和最后一天----------------------------- 阅读全文