[Solved] Why is this SqlCeCommand ExecuteReader call failing?
You forgot to open the connection. string connString = “Data Source=\”\\My Documents\\HHSDB003.sdf\””; string query = “SELECT * FROM MyTable”; SqlCeConnection conn = new SqlCeConnection(connString); SqlCeCommand cmd = new SqlCeCommand(query, conn); conn.Open(); // <— THIS SqlCeDataReader rdr = cmd.ExecuteReader(); try { // Iterate through the results while (rdr.Read()) { } } finally { // Always call … Read more