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This is Part 2 of a 2-part tutorial series for the Sales Invoice scenario. It is recommended that you complete Part 1 - Getting Started before starting this section.

Following the Sample


There is a downloadable with completed templates and code. The completed example of the template is available under templates/Part2_Invoice_Template.xlsx. The code for this part of the tutorial can be found in Part2.aspx.cs.

This part focuses on adding repeating data to an order summary. There are slight modifications to the template and code from Part 1.

Changing the Template

The starting template is from Part 1 - Getting Started:

Repeat blocks are used to import multiple rows.  A repeat block is a fragment in the template document - defined by a Word bookmark - that contains merge fields and that will be repeated for each row in a data source. To import multiple rows from a single data source, create a repeat block in the template and, in the WordWriter code, call SetRepeatBlock to bind the repeat block to a data source.

In this sample, the repeat block is added to the order info merge fields. This bookmark is called "Repeat."

Add a bookmark around the data you wish to import.

Writing the Code

Following the Sample Code


There is a sample web application page Part2.aspx and code behind Part2.aspx.cs available in the SalesInvoice/ directory that shows the completed code.

1. Include the SoftArtisans.OfficeWriter.WordWriter namespace in the code behind.

2. In the method that will actually run the report, instantiate the WordTemplate object.

3. Open the template file with the WordTemplate.Open method.

4. Create an object array for the header and total values and a string array for the column names.

WordTemplate can be bound to numerous types of .NET data structures: single variables, arrays (1-D, jagged, multi-dimensional), DataSet,DataTableIDataReader etc. The source of the data can come from anywhere.

Some of the aforementioned structures have built in column names, such as the DataTable. When working with arrays, which don't have built in column names, you have to define the column names in a separate string array.

Following the Sample


In the sample project, we are parsing CSV files with query results, rather than querying a live database. The CSV files are available under the data _directory. There is a copy of the CSV parser, GenericParsing.dll in the _bin directory of the project. GetCSVData is defined in Part1.aspx.cs in a region marked Utility Methods.

If you are following in your own project and would like to parse the CSV files as well, you will need to:

  • Add a reference to GenericParsing.dll.
  • Include GeneringParsing at the top of your code.
  • Add the GetCSVData method that can be found in the sample code.

5. Get the datatable for the repeat block.

6. Use WordTemplate.SetRepeatBlock to pass the data and the bookmark name.

7. Use SetDataSource() to bind the order details arrays. Note that the data source name is the last string

8. Call WordTemplate.Process to import the data into the file.

9. Call WordTemplate.Save to save the output file.

WordTemplate has several output options: save to disk, save to a stream, stream the output file in a page's Response inline or as an attachment.

The final output should resemble this:

Final Code


You can download the code for the Basic WordWriter Tutorials as a Visual Studio solution, which includes the Simple Expense Summary.

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