Hi  Ainguahj,
Check this example. Now please take its reference and correct your code.
Database
For this example I have used of NorthWind database that you can download using the link given below.
Download Northwind Database
Controller
public class HomeController : Controller
{
    // GET: Home
    public ActionResult Index()
    {
        NorthwindEntities entities = new NorthwindEntities();
        return View(from customer in entities.Customers.Take(5)
                    select customer);
    }
}
View
@model IEnumerable<_Print_Selected_Row.Customer>
@{
    Layout = null;
}
<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>
</head>
<body>
    <div id="Grid">
        <table>
            <tr>
                <th>CustomerID</th>
                <th>ContactName</th>
                <th>City</th>
                <th>Country</th>
                <th>Action</th>
            </tr>
            @foreach (Customer customer in Model)
            {
                <tr>
                    <td>@customer.CustomerID</td>
                    <td>@customer.ContactName</td>
                    <td>@customer.City</td>
                    <td>@customer.Country</td>
                    <td><img src="~/img/how-to-print-3.png" id="PrintIcon" alt="Print" onclick="Print(this);" /></td>
                </tr>
            }
        </table>
    </div>
    <script type="text/javascript">
        function Print(element) {
            var name = element.parentNode.parentNode.getElementsByTagName("td")[1].innerHTML;
            var city = element.parentNode.parentNode.getElementsByTagName("td")[2].innerHTML;
            var country = element.parentNode.parentNode.getElementsByTagName("td")[3].innerHTML;
            var output = "Customer Name : " + name + "<br />" + "Customer City: " + city + "<br />" + "Customer Country : " + country;
            var printWindow = window.open('', '', 'height=200,width=400');
            printWindow.document.write('<html><head><title>Selected Row</title>');
            printWindow.document.write('</head><body >');
            printWindow.document.write(output);
            printWindow.document.write('</body></html>');
            printWindow.document.close();
            printWindow.print();
        }
    </script>
</body>
</html>
Screenshot
