Range CurRange = this.CurWorksheet.get_Range("F1", "U60000");
CurRange.HorizontalAlignment = XlHAlign.xlHAlignLeft;
CurRange.NumberFormat = "00";
CurRange = this.CurWorksheet.get_Range("A1", "U60000");
CurRange.HorizontalAlignment = XlHAlign.xlHAlignLeft;
CurRange.NumberFormat = "yyyy-MM-d HH:mm:ss";