private void btnEliminar_Click(object sender, EventArgs e) { btnActualizar.Enabled = false; btnEliminar.Enabled = false; btnCancelar.Enabled = false; btnAgregar.Enabled = true; txtNombre.Enabled = false; cbCarrera.Enabled = false; cbCarrera.Text = ""; txtNombre.Text = ""; if (MessageBox.Show("¿Desea Eliminar al alumno " + dgAlumno.CurrentRow.Cells[1].Value.ToString() + "?", "Eliminar alumno", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { int id = Convert.ToInt32(dgAlumno.CurrentRow.Cells[0].Value); try { alumnos_Query a = new alumnos_Query(); a.Eliminar(id); dgAlumno.DataSource = null; } catch (Exception ex) { MessageBox.Show(ex.Message); } } }