private string stysql="Select id as 编号,operate_month as 月份,operate_day as 日,convert(char(10),on_time,108) as 开灯,convert(char(10),off_time,108) as 关灯 from schedule";
private System.Data.OleDb.OleDbCommandBuilder ccCMD;
private System.Windows.Forms.BindingManagerBase mybind;
//convert(char(10),on_time,108) 为时间 //(char(10),xqsj,111) //为日期