Creates a new Workbook. Exports
DBGrid 到工作表。把工作簿保存到指定文件，成功时返回 1
语法
function SaveDBGridAs( Filename: WideString): Integer;
| FileName |
WideString。指示要保存的文件名的字符串。可以包含完整路径；如果不包含，组件会将文件保存在当前文件夹中 |
示例
This example exports the DBGrid1 into Orders.xls Workbook and Orders.html file
begin
GridToXLS1.Workbook := nil; //Clears Workbook
GridToXLS1.WorksheetName := 'Orders sheet'; //Specifies name for new Worksheet
GridToXLS1.DBGrid := DBGrid1; //Specifies the dbgrid for export
GridToXLS1.SaveDBGridAs('Orders.xls'); //Saves the dbgrid into Orders.xls
GridToXLS1.SaveDBGridAs('Orders.html'); //Saves the dbgrid into Orders.html
end;