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博客园 - answer

SQL查询重复记录 如何使用两台 NETGEAR 无线路由器进行无线中继(WDS) [转]取当前日期是在一年中的第几周 [转]写在UserControl销毁之时 给List排序( list sort) [转]检查本地DNS服务器是否正常工作及解决方法 SQLITE入门至精通 [转]WM手机,关于如何让手机一直运行下去,而不进入待机 [转]HTC G11 ROOT获取权限教程 [转]WebForm 与 winform 路径获取 [转]win7 系统装SQLServer2000 成功。 Mobile Development: Disable Windows Mobile 6.5 Start and Close Button [转]Windows Mobile: Hide StartButton in WinMo 6.5.x Windows CE 电源管理(转贴) [转]分享8个超棒的免费高质量图标搜索引擎 [转]Win7系统下VS2005_2008不识别WinCE5 SDK [转]windows 7 下ASP.net 本地配置 ( IIS 7) [转]SQLite存取二进制数据 [转]SelectObject() 装载字体 VC EVC
[转]string表达式运算
answer · 2012-03-17 · via 博客园 - answer

方法一:
引用using Microsoft.JScript.dll
然后使用Eval.JScriptEvaluate方法
具体如下:
string result = string.Format("({0}-{1})/100",500,100);
Console.WriteLine(Microsoft.JScript.Eval.JScriptEvaluate(result, Microsoft.JScript.Vsa.VsaEngine.CreateEngine()).ToString());

方法二:
str_value = new DataTable().Compute(string.Format(tbCount_Rules.Text.Trim(), ListToObject(percount)), "").ToString();

来自:

http://www.cnblogs.com/flish/archive/2011/06/29/2093662.html