public static MvcHtmlString PageLinks(this HtmlHelper html, PagingInfo pagingInfo, Func<int, string> pageUrl)
 {
     StringBuilder result = new StringBuilder();
     for (int i = 1; i <= pagingInfo.TotalPages; i++)
     {
         TagBuilder tag = new TagBuilder("a"); // Construct an <a> tag
         tag.MergeAttribute("href", pageUrl(i));
         tag.InnerHtml = i.ToString();
         if (i == pagingInfo.CurrentPage)
             tag.AddCssClass("selected");
         result.Append(tag.ToString());
     }
     return MvcHtmlString.Create(result.ToString());
 }
Esempio n. 2
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 public void Can_Generate_Page_Links()
 {
     // Arrange - define an HTML helper - we need to do this
     // in order to apply the extension method
     HtmlHelper myHelper = null;
     // Arrange - create PagingInfo data
     PagingInfo pagingInfo = new PagingInfo
     {
         CurrentPage = 2,
         TotalItems = 28,
         ItemsPerPage = 10
     };
     // Arrange - set up the delegate using a lambda expression
     Func<int, string> pageUrlDelegate = i => "Page" + i;
     // Act
     MvcHtmlString result = myHelper.PageLinks(pagingInfo, pageUrlDelegate);
     // Assert
     Assert.AreEqual(result.ToString(), @"<a href=""Page1"">1</a>"
     + @"<a class=""selected"" href=""Page2"">2</a>"
     + @"<a href=""Page3"">3</a>");
 }