In the example I am showing data from the following table:
![Data from table]()
                                       Figure 1
The following is the script of my Employee table:
- CREATE TABLE [dbo].[Employee](  
-     [ID] [int] IDENTITY(1,1) NOT NULL,  
-     [Name] [varchar](50) NULL,  
-     [Email] [varchar](500) NULL,  
-     [Country] [varchar](50) NULL,  
-     [ProjectID] [int] NULL,  
-     [ManagerName] [varchar](50) NULL,  
-  CONSTRAINT [PK_Employee] PRIMARY KEY CLUSTERED   
- (  
-     [ID] ASC  
- )WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF,   
- IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON,   
- ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]  
- ) ON [PRIMARY]  
-   
- GO  
 The following is the data in my Employee table:
![Data from table]() Figure 2.
                                    Figure 2.
I am making a join with the Project table when showing records from this table.
The following is the Project table:
![Project Table]() Figure 3
                                          Figure 3The following is the script of my Project table:
- CREATE TABLE [dbo].[Project](  
-     [ProjectID] [int] IDENTITY(1,1) NOT NULL,  
-     [ProjectName] [varchar](50) NULL,  
-     [ProjectLeader] [varchar](50) NULL,  
-  CONSTRAINT [PK_Project] PRIMARY KEY CLUSTERED   
- (  
-     [ProjectID] ASC  
- )WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF,  
-  IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON,   
-  ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]  
- ) ON [PRIMARY]  
-   
- GO  
 The following is the data in my Project table:
![Data in my Project Table]() Figure 4
                                             Figure 4The following is the aspx code: 
- <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default3.aspx.cs" Inherits="Contains_In_jQuery.Default3" %>  
-   
- <!DOCTYPE html>  
- <html xmlns="http://www.w3.org/1999/xhtml">  
- <head runat="server">  
-   
-     <title>jQuery: Change Row Back Color</title>  
-     <script src="Scripts/jquery-2.1.4.min.js"></script>  
-       
-     <style type="text/css">  
-         body {  
-             font-family: Arial;  
-             font-size: 10pt;  
-         }  
-   
-         td {  
-             cursor: pointer;  
-         }  
-   
-         .hover_row {  
-             background-color: #A1DCF2;  
-         }  
-     </style>  
-     <script type="text/javascript">  
-         $(document).ready(function () {  
-             $('#gvData').empty();  
-             $.ajax({  
-                 type: "POST",  
-                 contentType: "application/json; charset=utf-8",  
-                 url: "Default3.aspx/BindEmployees",  
-                 data: "{}",  
-                 dataType: "json",  
-                 success: function (result) {  
-                     $("#gvData").append("<tr style='background-color:red; color:white; font-weight:bold;'><td style='text-align:left;'>ID</td><td style='text-align:left;'>Name</td><td style='text-align:left;'>Email</td><td style='text-align:left;'>Country</td><td style='text-align:left;'>Project name</td><td style='text-align:left;'>Manager Name</td></tr>");  
-                     for (var i = 0; i < result.d.length; i++) {  
-                         var Country = result.d[i].Country;  
-                         if (Country.indexOf('India') != -1) {  
-                             $("#gvData").append("<tr  style='background-color:#DC143C; font-family:Verdana; font-size:10pt;color:White;'><td style='text-align:left;'>" + result.d[i].ID + "</td><td style='text-align:left;'>" + result.d[i].Name + "</td><td style='text-align:left;'>" + result.d[i].Email + "</td><td style='text-align:left;'>" + result.d[i].Country + "</td><td style='text-align:left;'>" + result.d[i].ProjectID + "</td><td style='text-align:left;'>" + result.d[i].ManagerName + "</td></tr>");  
-                         }  
-                         else {  
-                             $("#gvData").append("<tr style='background-color:skyblue; font-family:Verdana; font-size:10pt ;'><td style='text-align:left;'>" + result.d[i].ID + "</td><td style='text-align:left;'>" + result.d[i].Name + "</td><td style='text-align:left;'>" + result.d[i].Email + "</td><td style='text-align:left;'>" + result.d[i].Country + "</td><td style='text-align:left;'>" + result.d[i].ProjectID + "</td><td style='text-align:left;'>" + result.d[i].ManagerName + "</td></tr>");  
-                         }  
-                     }  
-                 },  
-                 error: function (result) {  
-                     alert("Error");  
-                 }  
-             });  
-   
-             $(function () {  
-                 $("[id*=gvData] td").hover(function () {  
-                     $("td", $(this).closest("tr")).addClass("hover_row");  
-                 }, function () {  
-                     $("td", $(this).closest("tr")).removeClass("hover_row");  
-                 });  
-             });  
-         });  
-     </script>  
- </head>  
- <body>  
-     <form id="form1" runat="server">  
-         <table style="width: 100%; text-align: center; border: solid 5px red; background-color: orange; vertical-align: top;">  
-             <tr>  
-                 <td>  
-                     <div>  
-                         <fieldset style="width: 99%;">  
-                             <legend style="font-size: 20pt; color: white; font-family: Verdana">jQuery Set Row Back Color By Checking Column Value</legend>  
-                             <table style="width: 100%;">  
-   
-                                 <tr>  
-                                     <td style="vertical-align: top; background-color: yellowgreen; text-align: center;">  
-                                         <asp:GridView ID="gvData" runat="server" CellPadding="4" ShowHeaderWhenEmpty="True"  
-                                             BackColor="White" GridLines="Both"  
-                                             BorderColor="#CC9966" BorderStyle="None" Width="90%" BorderWidth="1px" HorizontalAlign="Center">  
-                                             <FooterStyle BackColor="#FFFFCC" ForeColor="#330099" />  
-                                             <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="#FFFFCC" />  
-                                             <PagerStyle BackColor="#FFFFCC" ForeColor="#330099" HorizontalAlign="Center" />  
-                                             <RowStyle BackColor="White" ForeColor="#330099" />  
-                                             <SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="#663399" />  
-                                             <SortedAscendingCellStyle BackColor="#FEFCEB" />  
-                                             <SortedAscendingHeaderStyle BackColor="#AF0101" />  
-                                             <SortedDescendingCellStyle BackColor="#F6F0C0" />  
-                                             <SortedDescendingHeaderStyle BackColor="#7E0000" />  
-                                         </asp:GridView>  
-                                     </td>  
-                                 </tr>  
-                             </table>  
-                         </fieldset>  
-                     </div>  
-                 </td>  
-             </tr>  
-         </table>  
-     </form>  
- </body>  
- </html>  
 Now my aspx.cs code is:
- using System;  
- using System.Collections.Generic;  
- using System.Data;  
- using System.Data.SqlClient;  
- using System.Linq;  
- using System.Web;  
- using System.Web.Services;  
- using System.Web.UI;  
- using System.Web.UI.WebControls;  
-   
- namespace Contains_In_jQuery  
- {  
-     public partial class Default3 : System.Web.UI.Page  
-     {  
-         protected void Page_Load(object sender, EventArgs e)  
-         {  
-             if (!Page.IsPostBack)  
-             {  
-                 BindGridWithDummyRow();  
-             }  
-         }  
-   
-         public void BindGridWithDummyRow()  
-         {  
-             DataTable dt = new DataTable();  
-             dt.Columns.Add("ID");  
-             dt.Columns.Add("Name");  
-             dt.Columns.Add("Email");  
-             dt.Columns.Add("Country");  
-             dt.Columns.Add("ProjectID");  
-             dt.Columns.Add("ManagerName");  
-             gvData.DataSource = dt;  
-             gvData.DataBind();  
-         }  
-    
-         [WebMethod]  
-         public static Employee[] BindEmployees()  
-         {  
-             string connectionString = @"Data Source=INDIA\MSSQLServer2k8; Initial Catalog= TestDB; Integrated Security=true;";  
-             DataTable dt = new DataTable();  
-             List<Employee> employeeList = new List<Employee>();  
-             using (SqlConnection con = new SqlConnection(connectionString))  
-             {  
-                 using (SqlCommand command = new SqlCommand("select e.ID, e.Name,e.Email,e.Country,ProjectName,e.ManagerName from Employee as e Inner join project as p on e.ProjectID=p.ProjectID ORDER BY e.Name", con))  
-                 {  
-                     con.Open();  
-                     SqlDataAdapter da = new SqlDataAdapter(command);  
-                     da.Fill(dt);  
-                     foreach (DataRow dtrow in dt.Rows)  
-                     {  
-                         Employee employee = new Employee();  
-                         employee.ID = Convert.ToInt32(dtrow["ID"].ToString());  
-                         employee.Name = dtrow["Name"].ToString();  
-                         employee.Email = dtrow["Email"].ToString();  
-                         employee.Country = dtrow["Country"].ToString();  
-                         employee.ProjectID = dtrow["ProjectName"].ToString();  
-                         employee.ManagerName = dtrow["ManagerName"].ToString();  
-                         employeeList.Add(employee);  
-                     }  
-                 }  
-             }  
-             return employeeList.ToArray();  
-         }  
-     }  
- }  
 Here when showing records I am setting the row background color where the Country value is India:
![row back color]() Figure 5
                                                                        Figure 5If you want to set Column background color then use the following changes:
- $(document).ready(function() {  
-     $('#gvData').empty();  
-     $.ajax({  
-         type: "POST",  
-         contentType: "application/json; charset=utf-8",  
-         url: "Default3.aspx/BindEmployees",  
-         data: "{}",  
-         dataType: "json",  
-         success: function(result) {  
-             $("#gvData").append("<tr style='background-color:red; color:white; font-weight:bold;'><td style='text-align:left;'>ID</td><td style='text-align:left;'>Name</td><td style='text-align:left;'>Email</td><td style='text-align:left;'>Country</td><td style='text-align:left;'>Project name</td><td style='text-align:left;'>Manager Name</td></tr>");  
-             for (var i = 0; i < result.d.length; i++) {  
-                 var Country = result.d[i].Country;  
-                 if (Country.indexOf('India') != -1) {  
-                     $("#gvData").append("<tr  style='background-color:#DC143C; font-family:Verdana; font-size:10pt;color:White;'><td style='text-align:left;'>" + result.d[i].ID + "</td><td style='text-align:left;'>" + result.d[i].Name + "</td><td style='text-align:left;'>" + result.d[i].Email + "</td><td style='text-align:left; background-color:green;'>" + result.d[i].Country + "</td><td style='text-align:left;'>" + result.d[i].ProjectID + "</td><td style='text-align:left;'>" + result.d[i].ManagerName + "</td></tr>");  
-                 } else {  
-                     $("#gvData").append("<tr style='background-color:skyblue; font-family:Verdana; font-size:10pt ;'><td style='text-align:left;'>" + result.d[i].ID + "</td><td style='text-align:left;'>" + result.d[i].Name + "</td><td style='text-align:left;'>" + result.d[i].Email + "</td><td style='text-align:left;'>" + result.d[i].Country + "</td><td style='text-align:left;'>" + result.d[i].ProjectID + "</td><td style='text-align:left;'>" + result.d[i].ManagerName + "</td></tr>");  
-                 }  
-             }  
-         },  
-         error: function(result) {  
-             alert("Error");  
-         }  
-     });  
 ![set Column background color]() Figure 6
                                                                           Figure 6