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Hover Effects for GridView Rows Using CSS

, 12 May 2008 CPOL
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This article describes how to apply hover effects on GridView rows using CSS.


Last week, I learned a technique of applying a hover effect to an HTML table’s rows with the help of pure CSS, without using a single line of JavaScript code. Great! Isn’t it? Before that, I’ve been doing this using JavaScript, as in my previous article: Hotmail-like Mouse Over and Mouse Out Effects on GridView. I thought it might be interesting to implement this technique on a GridView in order to create a hover effect on the GridView rows. So, I’ve quickly created a sample application and decided to share it. Below is the implementation details of this technique for applying hover effect to GridView rows using CSS.

The GridView HTML Code

The HTML code for the GridView in this article will looks like:

<asp:GridView ID="gvHover" BackColor="WhiteSmoke" runat="server" AutoGenerateColumns="False"
              GridLines="Vertical" CssClass="grid-view" OnRowCreated="gvHover_RowCreated">
      <asp:BoundField HeaderText="n" DataField="n">
         <HeaderStyle Width="25px" />
         <ItemStyle Width="25px" />
      <asp:BoundField HeaderText="sqrt(n)" DataField="sqrtn">
         <HeaderStyle Width="150px" />
         <ItemStyle Width="150px" />
      <asp:BoundField HeaderText="qbrt(n)" DataField="qbrtn">
         <HeaderStyle Width="150px" />
         <ItemStyle Width="150px" />

Styling the GridView

In order to style the Gridview, attach a CSS class to it, like so:

<asp:GridView ... CssClass="grid-view" ... > ... </asp:GridView>

Styling the GridView’s Header Row, Normal Row, and Alternate Row

In order to style the GridWiew’s header, normal, and alternate rows, attach the CSS classes to these rows through the RowCreated event of the GridView, as:

//Add CSS class on header row.
if (e.Row.RowType == DataControlRowType.Header)
   e.Row.CssClass = "header";

//Add CSS class on normal row.
if (e.Row.RowType == DataControlRowType.DataRow && 
          e.Row.RowState == DataControlRowState.Normal)
   e.Row.CssClass = "normal";

//Add CSS class on alternate row.
if (e.Row.RowType == DataControlRowType.DataRow && 
          e.Row.RowState == DataControlRowState.Alternate)
   e.Row.CssClass = "alternate";

The CSS Classes

Below are the CSS classes that have been used above to style the GridView and its header, normal, and alternate rows:

   padding: 0;
   margin: 0;
   border: 1px solid #333;
   font-family: "Verdana, Arial, Helvetica, sans-serif, Trebuchet MS";
   font-size: 0.9em;

.grid-view tr.header
   color: white;
   background-color: #FF5600;
   height: 25px;
   vertical-align: middle;
   text-align: center;
   font-weight: bold;

.grid-view tr.normal
   color: black;
   background-color: #FDC64E;
   height: 25px;
   vertical-align: middle;
   text-align: center;

.grid-view tr.alternate
   color: black;
   background-color: #D59200;
   height: 25px;
   vertical-align: middle;
   text-align: center;

Adding a Hover Effect to the GridView rows

Finally, to apply the hover effect to the GridView rows, the following CSS is used:

.grid-view tr.normal:hover, .grid-view tr.alternate:hover
   background-color: white;
   color: black;
   font-weight: bold;

Note that the hover effect has been applied to the normal and alternate rows only, not on the header row. You can also use different color schemes for the normal and alternate rows separately, for the hover effect.

Using the CSS Classes

Put all the corresponding CSS classes in a stylesheet and give its reference on the web page’s head section, as:

<link href="StyleSheet.css" rel="stylesheet" type="text/css" />


That’s all about this technique. Just download the sample application and happy CSS! I have tested this application on various browsers and it worked fine. Below is the list of those browsers:



This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Technical Lead Infogain India Pvt Ltd
India India

Samir NIGAM is a Microsoft Certified Professional. He is an insightful IT professional with results-driven comprehensive technical skill having rich, hands-on work experience n web-based applications using ASP.NET, C#, AJAX, Web Service, WCF, jQuery, Microsoft Enterprise Library , LINQ, MS Entity Framework, nHibernate, MS SQL Server & SSRS.

He has earned his master degree (MCA) from U.P. Technical University, Lucknow, INDIA, his post graduate dipoma (PGDCA ) from Institute of Engineering and Rural Technology, Allahabad, INDIA and his bachelor degree (BSc - Mathematics) from University of Allahabad, Allahabad, INDIA.

He has good knowledge of Object Oriented Programming, n-Tier Architecture, SOLID Principle, and Algorithm Analysis & Design as well as good command over cross-browser client side programming using JavaScript & jQuery,.


Comments and Discussions

GeneralMy Reason for Rate 4 PinmemberMember 1096742920-Oct-14 20:48 
GeneralMy vote of 5 PinmemberChris Hoch30-Aug-14 14:50 
QuestionHow to call style on hover evernt of the grid view in 4.0 PinmemberHarishankar Maurya20-Mar-14 1:23 
GeneralMy vote of 3 PinmemberShaileshcall429-Dec-12 0:44 
GeneralMy vote of 4 Pinmembergajendra bahakar7-Oct-11 21:25 
GeneralGood work Samir. PinmemberNetNat29-Dec-09 1:46 
GeneralRe: Good work Samir. PinmvpSamir NIGAM29-Dec-09 18:14 
GeneralMy vote of 1 PinmemberDaniel Nutu7-Oct-09 23:15 
GeneralRe: My vote of 1 PinmvpSamir NIGAM29-Dec-09 18:08 
Questionadding a hover effect to an ImageButton control PinmemberLMRT0926-Aug-09 12:47 
AnswerRe: adding a hover effect to an ImageButton control PinmemberNetNat29-Dec-09 2:33 
GeneralMy vote of 1 PinmemberHemant0266-Aug-09 3:35 
GeneralRe: My vote of 1 PinmvpSamir NIGAM29-Dec-09 18:06 
GeneralGreat work Pinmembergrantmasterb3-Jul-09 9:32 
GeneralRe: Great work PinmvpSamir NIGAM3-Jul-09 20:51 
GeneralGood work samir Pinmemberdeepak_rai6-Mar-09 21:04 
GeneralRe: Good work samir PinmemberSamir NIGAM8-May-09 19:00 
Generalok good Pinmemberahlawy420-Jan-09 1:44 
GeneralRe: ok good PinmemberSamir NIGAM8-May-09 19:00 
GeneralStyling the GridView’s Header Row, Normal Row, and Alternate Row Pinmemberanayda26-Aug-08 2:05 
GeneralRe: Styling the GridView’s Header Row, Normal Row, and Alternate Row PinmemberSamir NIGAM8-May-09 19:02 
QuestionHow to select a row by a simple mouse click? PinmemberMember 18125393-Jul-08 0:23 
AnswerRe: How to select a row by a simple mouse click? PinmemberSAMir Nigam3-Jul-08 19:22 
Generalwhy use code behind page to attach CSS class PinmemberMohm'ed Melhem10-Jun-08 20:00 
GeneralRe: why use code behind page to attach CSS class Pinmember SAMir Nigam10-Jun-08 21:57 

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