Loading win form chart using stored proc

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C#

Hi,

I need to load a win forms chart with data from my sql db
and i want to use this type of structure(I'm still new with charts)
This is the method I use when populating controls mostly...
The stored proc is not a problem, only the code behind

Can anyone please help me with this code?

clsConnection conn = new clsConnection();

                using (SqlCommand sqlcomm = new SqlCommand())
                {
                    SqlDataReader sqlread;

                    sqlcomm.Connection = conn.connection;
                    sqlcomm.CommandType = CommandType.StoredProcedure;
                    sqlcomm.CommandText = "usp_LoadChart";
                    sqlcomm.Parameters.Add("@ParameterExample", SqlDbType.NVarChar, 50).Value = cboExample.Text.ToString().Trim();

                    sqlread = sqlcomm.ExecuteReader();

                    while (sqlread.Read())
                    {
                       ....
                    }
                    sqlread.Dispose();
                    sqlread.Close();
                }