Visual C# experts help please

[MindHunter]

Dear expert mjy ek project ma confusion ha thori si.......

1. ma database k table sa ek value lay k osay text box ma show kerna chahta hun. number of rows k b nhi pta or koi khas condition b nhi ha. bas jo sab sa last wala record ha os ki koi ek value text box ma show kerni hai.... is it possible? ager ha to please help me.

1. Kya visual C# ki reports ma hum sum ya subtract k formula lga saktay hen? method b bta den.

it very urgent please someone help

[tehseeninter]

bhai jahan tak mein aap ka sawal samjh paya hon. ye code hazir hay

 string connesctionstring = ConfigurationManager.ConnectionStrings["YourConnectionStrings"].ConnectionString;

             using (SqlConnection con = new SqlConnection(connesctionstring))
             {
                 string query = @"SELECT TOP 1 EmployeeName FROM
                 Employee ORDER BY EmployeeID DESC";

                 SqlCommand cmd = new SqlCommand(query, con);
                 cmd.CommandType = CommandType.Text;

                 con.Open();
                 SqlDataReader reader = cmd.ExecuteReader();
                 while (reader.Read())
                 {
                     TextBox1.Text = Convert.ToString(reader["EmployeeName"]);
                 }
             }

[MindHunter]

very thanx tehseeninter
but second question k lya b help ker do yara