如何使用Datatable / Datacolumn

Question

我的代码库中有一些代码用于评估使用Datatable method传递给它的表达式，因为[在此插入历史原因]。该方法的简短版本如下。

当我的应用程序在非美国/澳大利亚/英国的区域设置（如西班牙）中运行时，其中句点以浮点数替换逗号，则代码不起作用。

有没有办法让Datatable方法更具文化意识？或者在事情发展到目前为止，我是否仍然坚持将数据解析为不变文化？

    void Main()
    {
        // This works
        CompareInACulture("en-US"); // US English

        // This doesn't
        CompareInACulture("es-ES"); // Spanish

    }

    // This is testing code for the purposes of exploring the issue
    // With this code I am comparing the value 1.1 with 1 and seeing if the first value is larger
    // than the second. The code fails when in Spanish locale.
    public void CompareInACulture(string cultureCode)
    {
        var value1 = 1.1;
        var value2 = 1;

        Thread.CurrentThread.CurrentCulture = new CultureInfo(cultureCode);
        Thread.CurrentThread.CurrentUICulture = new CultureInfo(cultureCode);

        var compareString = value1.ToString() + ">" + value2.ToString();

        // My current approach is to use an invariantCulture here, but I'm not satisfied it is the best approach
        // var compareString = value1.ToString(CultureInfo.InvariantCulture) + ">" + value2.ToString(CultureInfo.InvariantCulture);
        // I'd rather do something with the ExpressionEval class to let it know that the string it is workign with is from another culture.

        Console.WriteLine($"Now comparing {compareString}");

        var evaluator = new ExpressionEval();
        var result1 = evaluator.Evaluate(compareString, out var passOrFail);
        Console.WriteLine($"Evaluate returned {result1} and passOrFail is {passOrFail}.");
    }

    // This is a simplified version of the class that's doing the actual job. I can tweak this, but not radically change it.
    public class ExpressionEval
    {
        string _lastErrorText = "";
        public string LastErrorText => _lastErrorText;

        public bool Evaluate(string psExpression, out bool pbResult)
        {
            pbResult = false;

            try
            {
                var loDataTable = new DataTable();
                var loDataColumn = new DataColumn("Eval", typeof(bool), psExpression);
                loDataTable.Columns.Add(loDataColumn);
                loDataTable.Rows.Add(0);
                pbResult = (bool)(loDataTable.Rows[0]["Eval"]);
                return true;
            }
            catch (Exception ex)
            {
                // do stuff
                Console.WriteLine(ex.Message);
                return false;
            }
        }
    }

我希望DataTable.locale可以提供帮助，但设置它似乎无法实现任何目标。 this Microsoft site的评论部分地说“在包含表达式的列中，使用了InvariantCulture。忽略了CurrentCulture。”