public static string SafeRedirectUrl(UrlHelper url, string returnUrl)
{
if (!String.IsNullOrWhiteSpace(returnUrl)
&& url.IsLocalUrl(returnUrl)
&& returnUrl.Length > 1
&& returnUrl.StartsWith("/", StringComparison.Ordinal)
&& !returnUrl.StartsWith("//", StringComparison.Ordinal)
&& !returnUrl.StartsWith("/\\", StringComparison.Ordinal))
{
return returnUrl;
}
return url.Home();
}
public static string PageBreadcrum(this HtmlHelper helper, News item)
{
UrlHelper url = new UrlHelper(helper.ViewContext.RequestContext);
StringBuilder sb = new StringBuilder();
Category category = item.Category;
List<Category> categories = new List<Category>();
categories.Add(category);
while (category.Category1!= null)
{
category = category.Category1;
categories.Insert(0, category);
};
sb.AppendFormat("<h3>");
sb.AppendFormat("<a href=\"{0}\">Trang chủ</a>",url.Home());
sb.AppendFormat("<span class=\"space\"><img src=\"/Content/images/next.gif\"></span>");
foreach (var cat in categories)
{
sb.AppendFormat(" <a href=\"{0}\">{1}</a><span class=\"space\"><img src=\"/Content/images/next.gif\"></span>",url.CategoryLink(cat), cat.CategoryName);
}
sb.AppendFormat("<span class=\"current\">{0}</span>", item.Subject);
sb.AppendFormat("</h3>");
return sb.ToString();
}
