public void SetTag( 
   string name,
   DateTime value,
   string dateFormat 
)

using System;
using Dynamicweb.Rendering;

namespace Dynamicweb.Examples.CSharp.Rendering
{
    class TemplateSample
    {
        public string RenderTemplate()
        {
            //Load template from /Files/Templates/MyModuleName/List.html
            var t = new Template("MyModuleName/List.html");

            //Render string template tag <!--@WelcomeMessage-->
            t.SetTag("WelcomeMessage", "Hello world");

            //Render boolean template tag <!--@IsTuesDay-->
            t.SetTag("IsTuesday", DateTime.Now.DayOfWeek == System.DayOfWeek.Tuesday);

            //Render a datetime template tag <!--@TodaysDate--> - and also the <!--@TodaysDate.*--> date time extensions
            t.SetTag("TodaysDate", DateTime.Now);

            //Test if the loaded template contains a specific tag - if not do not do expensive work.
            if (t.TagExists("MyCalculation"))
            {
                t.SetTag("MyCalculation", "CallExpensiveMethod()");
            }

            //Test if the loop MyItems is present in the loaded template, and if not the code will not be executed.
            if (t.LoopExists("MyItems"))
            {
                //Create a loop in the template <!--@LoopStart(MyItems)--><!--@LoopEnd(MyItems)-->
                Template t2 = t.GetLoop("MyItems");
                for (var i = 1; i <= 5; i++)
                {
                    //Render a counter as a template tag inside the loop <!--@MyCounter-->
                    t2.SetTag("MyCounter", i);
                    //Commit the loop and make ready for the next iteration
                    t2.CommitLoop();
                }
            }

            //Render the template html with the parsed template tags and loops.
            return t.Output();
        }

    }
}