I have this in a public class:
SqlConnection myConnection = new SqlConnection(\"Data Source=hermes;database=qcvalues; Integrated Security=SSPI;\"); myConnect
You don't. Use a DataAdapter instead:
var ds = new DataSet(); using(var conn = new SqlConnection(connString)) { conn.Open(); var command = new SqlCommand(InitializeQuery(), conn); var adapter = new SqlDataAdapter(command); adapter.Fill(ds); }