private void add_ex_btn_Click(object sender, EventArgs e)
{
if (muscles_list.SelectedItems.Count < 1)
{
MessageBox.Show("A muscle group should be selected first!");
}
else
{
var obj = new add_into_database();
var input = obj.add_exercise(muscles_list.GetItemText(muscles_list.SelectedItem));
if (input != null)
{
exercises_list.Items.Add(input);
MessageBox.Show("Exercise succesfully created.");
}
}
}
