RadioButtonListHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using System.Collections;
using System.Web;

namespace G4S.Common.MVC.Extensions
{
    public static class RaidioButtonListHelper
    {
        /// <summary>
        /// Create a radiobutton list from viewmodel.
        /// </summary>
        public static MvcHtmlString RadioButtonList<TModel, TResult>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TResult>> expression, IEnumerable<SelectListItem> listOfValues = null)
        {
            var typeOfProperty = expression.ReturnType;
            if (listOfValues == null && typeOfProperty.IsEnum)
                listOfValues = new SelectList(Enum.GetValues(typeOfProperty));

            var metaData = ModelMetadata.FromLambdaExpression(expression, htmlHelper.ViewData);

            // Ctreat table
            TagBuilder tableTag = new TagBuilder("table");
            tableTag.AddCssClass("radio-main");

            // Create tr:s
            var trTagLable = new TagBuilder("tr id=\"" + metaData.PropertyName + "Lables\"");
            var trTagRadio = new TagBuilder("tr id=\"" + metaData.PropertyName + "Radios\"");

            foreach (SelectListItem item in listOfValues)
            {
                var text = item.Text;
                var value = item.Value ?? text;

                // Generate an id to be given to the radio button field
                var id = string.Format("{0}_{1}", metaData.PropertyName, value);

                // Create the radiobuttons
                var radioTag = htmlHelper.RadioButtonFor(expression, value, new { id = id }).ToHtmlString();

                // Create the label for the radiobuttons.
                var labelTag = htmlHelper.Label(id, HttpUtility.HtmlEncode(text));

                // Add the lables and reaiobuttons to td:s
                var tdTagLable = new TagBuilder("td style=\"padding-left: 10px; text-align: center\"");
                var tdTagRadio = new TagBuilder("td style=\"padding-left: 10px; text-align: center\"");
                tdTagLable.InnerHtml = labelTag.ToString();
                tdTagRadio.InnerHtml = radioTag.ToString();

                // Add tds: to tr:s
                trTagLable.InnerHtml += tdTagLable.ToString();
                trTagRadio.InnerHtml += tdTagRadio.ToString();

            }

            // Add tr:s to table
            tableTag.InnerHtml = trTagLable.ToString() + trTagRadio.ToString();

            //Return the table tag
            return new MvcHtmlString(tableTag.ToString());
        }
    }
}