支持Oracle.MSSQL.MySQL.SQLite四种数据库,支持事务,支持对象关系映射:已在多个项目中实际使用. 没有语法糖,学习成本几乎为0,拿来即用. DBHelper类完整代码: using System; using System.Collections.Generic; using System.ComponentModel; using System.Configuration; using System.Data; using System.Data.Common; usin
附件下载:http://files.cnblogs.com/mengdejun/print.zip void CPrintView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo) { // TODO: Add your specialized code here and/or call the base class //设置打印环境坐标转换 pDC->SetMapMode(MM_ANISOTROPIC); int screenwidth_real=GetSys