Sitecore Search Implementation

C#

public partial class SearchResults : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        var searchQuery = Request.QueryString["s"]; // search query
        var searchResults = new List<SearchResult>();

        if (!string.IsNullOrEmpty(searchQuery))
        {
            // sitecore search index
            var index = ContentSearchManager.GetIndex("CustomSearch");

            using (var context = index.CreateSearchContext())
            {
                var results =
                    context.GetQueryable<MyResultItem>()
                        .Where(
                            resultItem =>
                                resultItem.PageTitle.Like(searchQuery) ||
                                resultItem.PageContent.Contains(searchQuery))
                        .GetResults();

                foreach (var result in results)
                {
                    var searchResult = new SearchResult();
                    var item = result.Document.GetItem();

                    searchResult.Title = item.Fields["Title"].ToString();
                    string content = Common.StripTags(item.Fields["Content"].ToString()); // get page content and strip HTML tags
                    searchResult.Summary = Common.TruncateString(content, 300); // truncate content to first 300 characters

                    searchResult.Link = Sitecore.Links.LinkManager.GetItemUrl(item);
                    searchResults.Add(searchResult);
                }
            }

            // bind search results to frontend
            rptSearchResults.DataSource = searchResults;
            rptSearchResults.DataBind();
        }
        else
        {
            // handle no search query
        }
    }

    /// <summary>
    /// Search results object for binding to frontend
    /// </summary>
    public class SearchResult
    {
        public string Title { get; set; }

        public string Summary { get; set; }

        public string Link { get; set; }
    }

    /// <summary>
    /// Custom sitecore search results item with required fields
    /// </summary>
    public class MyResultItem : SearchResultItem
    {
        [IndexField("Title")]
        public string PageTitle { get; set; }

        [IndexField("Content")]
        public string PageContent { get; set; }
    }
}