public static string InputButton(this HtmlHelper htmlHelper,
string name,
SelectListItem listItem,
IDictionary <string, object> htmlAttributes,
InputListType inputListType = InputListType.RadioButton)
{
var inputIdSb = new StringBuilder();
inputIdSb.Append(name).Append("_").Append(listItem.Value);
var sb = new StringBuilder();
var builder = new TagBuilder("input");
if (listItem.Selected)
{
builder.MergeAttribute("checked", "checked");
}
builder.MergeAttribute("type", inputListType == InputListType.RadioButton ? "radio" : "checkbox");
builder.MergeAttribute("value", listItem.Value);
builder.MergeAttribute("id", inputIdSb.ToString());
builder.MergeAttribute("name", name);
builder.MergeAttributes(htmlAttributes);
sb.Append(builder.ToString(TagRenderMode.SelfClosing));
sb.Append(RadioButtonLabel(inputIdSb.ToString(), listItem.Text, htmlAttributes));
sb.Append("<br>");
return(sb.ToString());
}
public static MvcHtmlString InputListFor <TModel, TValue>(
this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TValue> > expression,
IEnumerable <SelectListItem> selectList,
object htmlAttributes = null,
InputListType inputListType = InputListType.RadioButton)
{
return(htmlHelper.InputListFor(expression, selectList, new RouteValueDictionary(htmlAttributes), inputListType));
}
public static MvcHtmlString InputListFor <TModel, TValue>(
this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TValue> > expression,
IEnumerable <SelectListItem> selectList,
IDictionary <string, object> htmlAttributes,
InputListType inputListType = InputListType.RadioButton)
{
var inputName = GetInputName(expression);
TValue value = (TValue)(ModelMetadata.FromLambdaExpression(expression, htmlHelper.ViewData).Model);
// IEnumerable<SelectListItem> radioButtonList = GetValue(htmlHelper, expression);
if (selectList == null)
{
return(MvcHtmlString.Empty);
}
var divTag = new TagBuilder("div");
divTag.MergeAttribute("id", inputName);
divTag.MergeAttribute("class", inputListType == InputListType.RadioButton ? "radio" : "checkbox");
foreach (var item in selectList)
{
var selectItem = new SelectListItem {
Text = item.Text, Selected = item.Selected, Value = item.Value.ToString()
};
if (value != null && selectItem.Value.Equals(value.ToString()))
{
selectItem.Selected = true;
}
var radioButtonTag =
InputButton(htmlHelper,
inputName,
selectItem,
htmlAttributes,
inputListType);
divTag.InnerHtml += radioButtonTag;
}
return(MvcHtmlString.Create(divTag.ToString()));
}
