datatable表达式运算

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