I want to display all the row from list box if I select only one row

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C#

i have the table with the list box with display member as name but i want to that when user select the any name from the list box all the value from that name like address and contact get in html editor .but i am only able to show the select name

What I have tried:

                 Email obj = new Email();
             List<Email> lstEmail = abc.Emails.ToList();
            string selected = listBox1.GetItemText(listBox1.SelectedValue);
//            string selected = listBox1.SelectedIndices().ToString();

              htmlEditor1.Html = htmlEditor1.Html.Replace("</BODY>", selected  + "</BODY>");