Highlighting Text within a GridView When Performing Search Results from SharePoint

Highlighting Text within a GridView When Performing Search Results from SharePoint

Ascx

<%@ Assembly Name="$SharePoint.Project.AssemblyFullName$" %> <%@ Assembly Name="Microsoft.Web.CommandUI, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="asp" Namespace="System.Web.UI" Assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %> <%@ Import Namespace="Microsoft.SharePoint" %> <%@ Register Tagprefix="WebPartPages" Namespace="Microsoft.SharePoint.WebPartPages" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="HKGridViewUserControl.ascx.cs" Inherits="HKGridView.HKGridView.HKGridViewUserControl" %> <style type="text/css"> .HighlightKeyWord {     text-decoration: none;     color:white;     background:green;     font-weight:bold; } </style> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <table width="100%"> <tr><td colspan="3"><asp:Label ID="lblMessage" runat="server"></asp:Label></td></tr> <tr> <td width="100px">Enter Keyword</td> <td width="100px"><asp:TextBox ID="txtSearchKeyWord" runat="server"></asp:TextBox></td> <td><asp:Button ID="btnSearch" runat="server" Text="Search"         onclick="btnSearch_Click" /></td> </tr> <tr> <td colspan="3"> <asp:GridView ID="dgvKeywordSearch" runat="server" Width="100%"     AutoGenerateColumns="False" CellPadding="4" EnableModelValidation="True"     ForeColor="#333333" GridLines="Both"         onrowdatabound="dgvKeywordSearch_RowDataBound">     <AlternatingRowStyle BackColor="White" ForeColor="#284775" /> <Columns> <asp:TemplateField HeaderText="SharePoint List Owner"> <ItemTemplate> <asp:Label ID="lblListOwner" runat="server" Text='<%# HighlightSearchKeyWord(Eval("ListOwners").ToString()) %>'></asp:Label> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="List Name"> <ItemTemplate> <asp:Label ID="lblListName" runat="server" Text='<%# HighlightSearchKeyWord(Eval("Title").ToString()) %>'></asp:Label> </ItemTemplate> </asp:TemplateField> </Columns>     <EditRowStyle BackColor="#999999" />     <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />     <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />     <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />     <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />     <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" /> </asp:GridView> </td> </tr> </table> </ContentTemplate> </asp:UpdatePanel>

Ascx.Cs

using System; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using Microsoft.SharePoint; using System.Security; using System.Text.RegularExpressions; namespace HKGridView.HKGridView {     public partial class HKGridViewUserControl : UserControl     {         protected void Page_Load(object sender, EventArgs e)         {         }         public string HighlightSearchKeyWord(string strSearchKeyword)         {             string Search_Str = txtSearchKeyWord.Text.ToLower();             Regex RegExp = new Regex(Search_Str.Replace(" ", "|").Trim(), RegexOptions.IgnoreCase);             return RegExp.Replace(strSearchKeyword, new MatchEvaluator(ReplaceSearchKeyWords));         }         public string ReplaceSearchKeyWords(Match mKeyWord)         {             return "<span class='HighlightKeyWord'>" + mKeyWord.Value + "</span>";         }         protected void btnSearch_Click(object sender, EventArgs e)         {             try             {                 SPSecurity.RunWithElevatedPrivileges(delegate()                 {                     SPQuery sQuery = new SPQuery();                     sQuery.Query = "<OrderBy><FieldRef Name='ID' Ascending='False' /></OrderBy><Where><Or><Contains><FieldRef Name='ListOwners' /><Value Type='Lookup'>" + txtSearchKeyWord.Text.ToLower() + "</Value></Contains><Contains><FieldRef Name='Title' /><Value Type='Text'>" + txtSearchKeyWord.Text.ToLower() + "</Value></Contains></Or></Where>";                     SPListItemCollection myColl = SPContext.Current.Web.Lists["Lists Log"].GetItems(sQuery);                     if (myColl.Count > 0)                     {                         dgvKeywordSearch.DataSource = myColl.GetDataTable();                         dgvKeywordSearch.DataBind();                     }                 });             }             catch (Exception ex)             {                 lblMessage.Text = ex.ToString();             }         }         protected void dgvKeywordSearch_RowDataBound(object sender, GridViewRowEventArgs e)         {             if (e.Row.RowType == DataControlRowType.DataRow)             {                 if (txtSearchKeyWord.Text != "")                 {                     HighlightSearchKeyWord(txtSearchKeyWord.Text);                 }             }         }     } }