public static MvcHtmlString CheckBoxList(this HtmlHelper htmlHelper, string name, MultiSelectList listInfo, IDictionary<string, object> htmlAttributes)
{
if (String.IsNullOrEmpty(name))
throw new ArgumentException("The argument must have a value", "name");
if (listInfo == null)
throw new ArgumentNullException("listInfo");
if (listInfo.Count() < 1)
throw new ArgumentException("The list must contain at least one value", "listInfo");
StringBuilder sb = new StringBuilder();
foreach (SelectListItem info in listInfo)
{
TagBuilder builder = new TagBuilder("input");
if (info.Selected) builder.MergeAttribute("checked", "checked");
builder.MergeAttributes<string, object>(htmlAttributes);
builder.MergeAttribute("type", "checkbox");
builder.MergeAttribute("value", info.Value);
builder.MergeAttribute("name", name);
builder.InnerHtml = info.Text;
sb.Append(builder.ToString(TagRenderMode.Normal));
sb.Append("<br />");
}
return MvcHtmlString.Create(sb.ToString());
}
public static MvcHtmlString CheckboxListFor2 <TModel, TProperty>(
this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TProperty> > expression,
MultiSelectList listOfValues)
{
var metaData = ModelMetadata.FromLambdaExpression(expression, htmlHelper.ViewData);
var sb = new StringBuilder();
if (listOfValues != null)
{
for (int i = 0; i < listOfValues.Count(); i++)//foreach (var item in listOfValues)
{
var item = listOfValues.ElementAt(i);
var id = string.Format("{0}_{1}", htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldId(ExpressionHelper.GetExpressionText(expression)), item.Value);
var name = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldId(ExpressionHelper.GetExpressionText(expression));
var label = htmlHelper.Label(id, HttpUtility.HtmlEncode(item.Text));
var cb = new TagBuilder("input");
cb.MergeAttribute("type", "checkbox");
cb.MergeAttribute("name", name);
cb.MergeAttribute("value", @item.Value);
cb.MergeAttribute("id", id);
if (item.Selected)
{
cb.MergeAttribute("checked", "checked");
}
sb.AppendFormat("{0}{1}</br>", cb, label);
}
}
return(MvcHtmlString.Create(sb.ToString()));
}
