RazorEngine

TemplateServiceConfiguration templateConfig 
                = new TemplateServiceConfiguration
                    {
                        BaseTemplateType = typeof(HtmlTemplateBase<>)
                    };
            Razor.SetTemplateService(new TemplateService(templateConfig));
            string template = "This is my sample template, Hello @Href()";
            
            Razor.Compile(template,typeof(TestModel),"aa");
            Console.WriteLine(Razor.Run("aa",new TestModel() { Name = "World"}));
            

    public class HtmlTemplateBase<T>:  TemplateBase<T>
    {
        
        public string Href()
        {
            var m = Model as TestModel;
            return m.Name.ToUpper();
        }

       
    }
    
    public class TestModel
    {
        public string Name
        {
            get;
            set;
        }
    }