Excel.Workbooks books;
	Excel.Workbook book;
	Excel.Sheets sheets;
	Excel.Worksheet sheet;
	Excel.Range cells;

	Excel.ApplicationClass excel = new Excel.ApplicationClass();
	excel.SheetsInNewWorkbook=5;
	excel.Workbooks.Add(Type.Missing);
	excel.Visible = true;

	books = excel.Workbooks;
	book = books[1];
	sheets = book.Worksheets;
	sheet =(Excel.Worksheet)sheets.get_Item(1); //= sheets[1];
	sheet.Name = "Каталог";
	cells = sheet.get_Range("A1","A1"); 
         MySqlDataReader d;
         int i=0;
	d = sql.query_conn("SELECT name FROM mc;", sql.s, wreg);
	while (d.Read()) 
	{
		i++;
		cells = sheet.get_Range("A"+i,"A"+i); 
		cells.Value2 = d.GetString(0);
	}
	d.Close();