1.需要添加微软的类库 Interop.MSScriptControl.dll
2.
 var path = Path.GetFullPath("../../javascript/youziku.lib.js");
                    string str2 = File.ReadAllText(path);
                    string fun = string.Format(@"hex_md5(‘{0}‘)", item.Text);
                    string result = ExecuteScript(fun, str2);
3.
 private string ExecuteScript(string sExpression, string sCode)
         {
             MSScriptControl.ScriptControl scriptControl = new MSScriptControl.ScriptControl();
             scriptControl.UseSafeSubset = true;
             scriptControl.Language = "JScript";
             scriptControl.AddCode(sCode);
             try
             {
                
                 string str = scriptControl.Eval(sExpression).ToString();
                 return str;
             }
             catch (Exception ex)
             {
                 string str = ex.Message;
             }
             return null;
         }
原文:http://www.cnblogs.com/xiaoyaodijun/p/4969643.html