public static List <Estudiantes> ListaDeEstudiantes(int Codigo_materia)
{
List <Estudiantes> Lista = new List <Estudiantes> {
};
DataTable datos = new DataTable();
string consulta = "select person.id, person.name from course inner join enrollment on course.code_course = enrollment.code_course inner join person on person.id = enrollment.id_student where course.code_course=" + Codigo_materia + ";";
datos = ConexionColonos.EjecutarConsulta(consulta);
DataTable Fotos = new DataTable();
byte[] imagenes = null;
for (int i = 0; i < datos.Rows.Count; i++)
{
try
{
string consultados = "SELECT photo_profile FROM profile inner join user on user.code_user = profile.code_user where user.code_user = "******"id"].ToString() + ";";
Fotos = MensajeriaColonos.ConexionChat.EjecutarConsulta(consultados);
imagenes = new byte[0];
imagenes = (Byte[])Fotos.Rows[i]["photo_profile"];
}
catch (Exception)
{
imagenes = null;
}
Estudiantes estudiante = new Estudiantes(Convert.ToInt32(datos.Rows[i]["id"].ToString()), datos.Rows[i]["name"].ToString(), imagenes);
Lista.Add(estudiante);
}
return(Lista);
}
public static String consultarusuario(int id)
{
string comando = "select person.name from person where id = " + id + "; ";
DataTable x = new DataTable();
x = ConexionColonos.EjecutarConsulta(comando);
String nom = x.Rows[0]["name"].ToString();
return(nom);
}
public static List <Cursos> CursosLista(int id)
{
List <Cursos> listadoCursos = new List <Cursos> {
};
DataTable Datos = new DataTable();
String consulta = "select course.number_course, course.code_course, subject.name_subject from course inner join enrollment on course.code_course = enrollment.code_course inner join person on person.id = enrollment.id_student inner join detail_curriculum on detail_curriculum.code_curriculum= course.code_curriculum and course.code_subject = detail_curriculum.code_subject inner join subject on subject.code_subject= detail_curriculum.code_subject where person.id =" + id + ";";
Datos = ConexionColonos.EjecutarConsulta(consulta);
for (int i = 0; i < Datos.Rows.Count; i++)
{
Cursos c = new Cursos(Convert.ToInt32(Datos.Rows[i]["code_course"].ToString()), Datos.Rows[i]["number_course"].ToString(), Datos.Rows[i]["name_subject"].ToString());
listadoCursos.Add(c);
}
return(listadoCursos);
}
