delphi 判断是否出现滚动条 if (GetWindowlong(Stringgrid1.Handle, GWL_STYLE) and WS_VSCROLL) <> 0 then ShowMessage('Vertical scrollbar is visible!'); if (GetWindowlong(Stringgrid1.Handle, GWL_STYLE) and WS_HSCROLL) <> 0 then ShowMessage('Horiz
在连接字符串中 添加设置节点 ConnectionLifeTime(计量单位为 秒).超过设定的连接会话 会被杀死! Connection Lifetime, ConnectionLifeTime 0 When a connection is returned to the pool, its creation time is compared with the current time, and the connection is destroyed if that time span (i
type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: could not execute query; nested exception is org.hibernate.exception.JDBCC
function IsNumberic(Vaule:String):Boolean; //判断Vaule是不是数字 var i:integer; begin result:=true; //设置返回值为 是(真) Vaule:=trim(Vaule); //去空格 to length(Vaule) do //准备循环 begin 中的任一个 begin result:=false; //返回值 不是(假) exit; //退出函数 end; end; end; function IsUpperC