.NET Excel Library supports generating template based Excel files for bulk report generation. Templates are predesigned formats, used for creating same pattern reports. .NET code creates the new excel file same as template document having filled with data. Supported file formats include XLS, XLSX, XLSB, XLSM, ODS.
Create Reports Based on Predesigned Excel Template
To automate the process of creating same pattern files is easy using .NET Assembly API. There are different ways to import data and generate Excel files. API provides a WorkbookDesigner class to represent a designer worksheet. Create its object and use it to open template file. Set the datasource, that may be DataTable, Array, Json file etc. Process it to import data and save the file with data in required format. Programmers can assemble data into reports in other file formats as of below listed links.