Passing Values From Database To Variables.

Hello.

I need to store 2 values that i retrive from a databse into variables so i can check them towards what is typed into the textboxes for my login script iv built. How can i do this?1 string myConnectionString = @"Data Source=.SQLEXPRESS;AttachDbFilename=C:UsersalhoDocumentsIntrapointWebApp_DataIntrapoint.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True";
2
3 SqlConnection myConnection = new SqlConnection(myConnectionString);
4 SqlCommand cmd = new SqlCommand("SELECT [username], [password] FROM [company] WHERE (([username] = @username) AND ([password] = @password))");
5 cmd.Parameters.AddWithValue("username", TextBoxUsername.Text);
6 cmd.Parameters.AddWithValue("password", TextBoxPassword.Text);
7
8 myConnection.Open();
9
10 //how do i pass the values retrived into variables, like string usrname and string password?
11
12 myConnection.Close();