private void btDelete_Click(object sender, EventArgs e)
{
QueryStatements qs = new QueryStatements();
qs.Delete(dgvTable.SelectedRows[0].Index);
initShoeTable();
}
private void btOk_Click(object sender, EventArgs e)
{
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
Shoe shoe = new Shoe(tbName.Text, typeVal[tbType.SelectedIndex],
Convert.ToDouble(tbPrice.Text.Replace(',', '.')), Convert.ToInt32(tbNum.Text));
QueryStatements qs = new QueryStatements();
qs.Insert(shoe);
this.Close();
}