private void bttnActualizar_Click(object sender, EventArgs e)
{
using (NotasEstudiantesEntities1 db = new NotasEstudiantesEntities1())
{
string Id = dgvMateria.CurrentRow.Cells[0].Value.ToString();
int IdC = int.Parse(Id);
Mate = db.materia.Where(VerificarId => VerificarId.id_materia == IdC).First();
Mate.nombre_materia = txtNombremateria.Text;
db.Entry(Mate).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
}
private void bttnActualizar_Click(object sender, EventArgs e)
{
using (NotasEstudiantesEntities1 db = new NotasEstudiantesEntities1())
{
string Id = dgvEstudiante.CurrentRow.Cells[0].Value.ToString();
int IdC = int.Parse(Id);
Est = db.estudiante.Where(VerificarId => VerificarId.id_estudiante == IdC).First();
Est.nombre_estudiante = txtNombreEstudiante.Text;
Est.apellido = txtApellido.Text;
Est.usuario = txtUsuario.Text;
Est.contrasena = txtContrasena.Text;
db.Entry(Est).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
}
private void button1_Click(object sender, EventArgs e)
{
using (NotasEstudiantesEntities1 db = new NotasEstudiantesEntities1())
{
string Id = dgvNota.CurrentRow.Cells[0].Value.ToString();
int IdC = int.Parse(Id);
Not = db.nota.Where(VerificarId => VerificarId.id_nota == IdC).First();
Not.id_estudante = int.Parse(txtIdestudiante.Text);
Not.id_materia = int.Parse(txtIdmateria.Text);
Not.notas = Convert.ToDouble(txtNota.Text);
db.Entry(Not).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
cargardatos();
}