private void GlassesProductsBackBtn_Click(object sender, EventArgs e)
{
BrandListBox.ClearSelected();
GlassTypeListBox.ClearSelected();
FrameTypeListBox.ClearSelected();
GlasseslistBoxColour.ClearSelected();
this.Hide();
}
private void GlassesProductsClearBtn_Click(object sender, EventArgs e)
{
GlassesPrice.Text = "5000";
GlassesPriceBar.Value = 5000;
GlassLeftStrengthText.Text = "";
GlassRightStrengthText.Text = "";
BrandListBox.ClearSelected();
GlassTypeListBox.ClearSelected();
FrameTypeListBox.ClearSelected();
GlasseslistBoxColour.ClearSelected();
GlassesDataView.DataSource = Reader.GetProductsDataTable();
}