private void button2_Click(object sender, EventArgs e)
{
int ID;
if (!int.TryParse(deleteByIDTextbox.Text, out ID))
{
MessageBox.Show("ID must contain numbers only", "ID not a number", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
General.DeleteByID(ID, databasePath);
deleteByIDTextbox.Text = "";
}