ddl seach

Hello,

How can I write the case selection for my search page.. I started from a expert help, but I have no idea how can I say :


            case 1: //teens  ddl = 1 ????
                storedProcName = "sp_SFParticipantSearch";
                break;
            case 2: //adults dd = 2 ???
                storedProcName = "sp_SFParticipantSearch_adult";
                break;

thanks,

private void Bind_Search()
    {
        string storedProcName = string.Empty;
        switch (int.Parse(ddlParticipantType.SelectedValue))
        {
            case 1: //teens 
                storedProcName = "sp_SFParticipantSearch";
                break;
            case 2: //adults
                storedProcName = "sp_SFParticipantSearch_adult";
                break;
            case 3: //seniors
                storedProcName = "sp_SFParticipantSearch_senior";
                break;
            case 4: //staff
                storedProcName = "sp_SFParticipantSearch_staff";
                break;
            case 0: //nothing selected. Could display error here or go with a default stored proc
                throw new NotImplementedException("No Type selected. Not sure of desired behavior");


                SqlCommand cmd3 = new SqlCommand("storedProcName", myConnection);
                cmd3.CommandType = CommandType.StoredProcedure;
                // Add your parameters here
                cmd3.Parameters.Add(new SqlParameter("@FileNo", txtFileNo.Text.Trim()));
                cmd3.Parameters.Add(new SqlParameter("@OrgID", Session["sOrgID"].ToString()));

                myConnection.Open();

                SqlDataReader reader = cmd3.ExecuteReader();

                gridsearch.DataSource = reader;
                gridsearch.DataBind();

                reader.Close();
                myConnection.Close();
        }
    }