private void linkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            IndexForm indexForm = new IndexForm();

            if (indexForm == null)
            {
                indexForm.Parent = this;
            }
            indexForm.Show();
            this.Hide();
        }
        private void btnNext_Click(object sender, EventArgs e)
        {
            IndexForm indexForm = new IndexForm();

            if (indexForm == null)
            {
                indexForm.Parent = this;
            }
            indexForm.Show();
            this.Hide();
        }