public Form1()
{
InitializeComponent();
OrderInfoCollection orderInfoCollection = new OrderInfoCollection("nomes.txt", "estados.txt");
sfDataGrid2.DataSource = orderInfoCollection.Orders;
ExcelCreator.CreateExcel("nomes.txt", "estados.txt");
}
public static ExcelCreator GetInstance()
{
if (_instance == null)
{
_instance = new ExcelCreator();
}
return(_instance);
}