在ExcelDNA中重载方法

    [ExcelFunction(Category = "Test",
        IsVolatile=true)]
    public static String TestMethod()
    {
        return "Hello Everyone";
    }

    [ExcelFunction(Category = "Test",
        IsVolatile = true)]
    public static String TestMethod(String Name)
    {
        return "Hello, " + Name;
    }