摘要:
class ControlComponent { #region 实现窗体内的控件拖动 //用法:在Form初始化或者Form_Load时先执行 //DragComponent a = new DragComponent(); //a.initProperty(groupBox1); //将界面gr 阅读全文
摘要:
SELECT * FROM Billcode_in a LEFT JOIN Billcode_place b ON a.billcode=b.billcode AND b.id=(SELECT MAX(id) FROM Billcode_place WHERE billcode=b.billcode 阅读全文