// For complete examples and data files, please go to https://github.com/groupdocs-assembly/GroupDocs.Assembly-for-.NET
//Setting up source open spreadsheet template
const String strSpreadsheetTemplate = "Spreadsheet Templates/In-Table List_DT_OpenDocument.ods";
//Setting up destination open spreadsheet report 
const String strSpreadsheetReport = "Spreadsheet Reports/In-Table List_DT Report.ods";
try
{
    //Instantiate DocumentAssembler class
    DocumentAssembler assembler = new DocumentAssembler();
    //Call AssembleDocument to generate In-Table List Report in open spreadsheet format
    assembler.AssembleDocument(CommonUtilities.GetSourceDocument(strSpreadsheetTemplate), 
                               CommonUtilities.SetDestinationDocument(strSpreadsheetReport), 
                               new DataSourceInfo(DataLayer.GetCustomersAndOrdersDataDT(), "ds"));
}
catch (Exception ex)
{
    Console.WriteLine(ex.Message);
}