private void button4_Click_1(object sender, EventArgs e)
{
FormRubric h = new FormRubric();
this.Hide();
h.Show();
}
private void button2_Click(object sender, EventArgs e)
{
int index = dataGridView1.SelectedRows[0].Index;
DataGridViewRow selectedRow = dataGridView1.Rows[index];
string Id = Convert.ToString(selectedRow.Cells["Id"].Value);
string Details = Convert.ToString(selectedRow.Cells["Details"].Value);
FormRubric h = new FormRubric(Details, Id);
this.Hide();
h.Show();
}