ToHtmlTable

public static string ToHtmlTable<T>(this IEnumerable<T> list, string tableSyle, string headerStyle, string rowStyle, string alternateRowStyle)
{

    var result = new StringBuilder();
    if (String.IsNullOrEmpty(tableSyle))
    {
        result.Append("<table id=\"" + typeof(T).Name + "Table\">");
    }
    else
    {
        result.Append("<table id=\"" + typeof(T).Name + "Table\" class=\"" + tableSyle + "\">");
    }

    var propertyArray = typeof(T).GetProperties();
    foreach (var prop in propertyArray)
    {
        if (String.IsNullOrEmpty(headerStyle))
        {
            result.AppendFormat("<th>{0}</th>", prop.Name);
        }
        else
        {
            result.AppendFormat("<th class=\"{0}\">{1}</th>", headerStyle, prop.Name);
        }
    }

    for (int i = 0; i < list.Count(); i++)
    {
        if (!String.IsNullOrEmpty(rowStyle) && !String.IsNullOrEmpty(alternateRowStyle))
        {
            result.AppendFormat("<tr class=\"{0}\">", i % 2 == 0 ? rowStyle : alternateRowStyle);
        }
        else
        {
            result.AppendFormat("<tr>");
        }

        foreach (var prop in propertyArray)
        {
            object value = prop.GetValue(list.ElementAt(i), null);
            result.AppendFormat("<td>{0}</td>", value ?? String.Empty);
        }
        result.AppendLine("</tr>");
    }
    result.Append("</table>");
    return result.ToString();
}

public class Person
    {
public string FirstName { get; set; }
public string LastName { get; set; }
public int Age { get; set; }
    }
private void button1_Click(object sender, EventArgs e)
{
    var personList = new List<Person>();
    personList.Add(new Person
    {
        FirstName = "Alex",
        LastName = "Friedman",
        Age = 27
    });
    personList.Add(new Person
    {
        FirstName = "Jack",
        LastName = "Bauer",
        Age = 45

    });

    personList.Add(new Person
    {
        FirstName = "Cloe",
        LastName = "O'Brien",
        Age = 35
    });
    personList.Add(new Person
    {
        FirstName = "John",
        LastName = "Doe",
        Age = 30
    });



    string html = @"<style type = ""text/css""> .tableStyle{border: solid 5 green;} 
th.header{ background-color:#FF3300} tr.rowStyle { background-color:#33FFFF; 
border: solid 1 black; } tr.alternate { background-color:#99FF66; 
border: solid 1 black;}</style>";
    html += personList.ToHtmlTable("tableStyle", "header", "rowStyle", "alternate");
    this.webBrowser1.DocumentText = html;
}