12 2019 档案

winform 控件 point 位置计算
摘要：public Point PointToScreen(Point p) { NativeMethods.POINT pt = new NativeMethods.POINT(p.X, p.Y); UnsafeNativeMethods.MapWindowPoints(new HandleRef(th 阅读全文
posted @ 2019-12-21 10:57 哥,我还要 阅读(1045) 评论(0) 推荐(1)
sqlserver json 查询
摘要：select * from 表名 where JSON_VALUE(字段名,'$."json字段名"') like '%查询关键字符串%' $表示object的根 例 select * from Country where JSON_VALUE(Name,'$."CountryName"') lik 阅读全文
posted @ 2019-12-08 11:39 哥,我还要 阅读(3095) 评论(0) 推荐(1)