DataTplFixFormatterConflict.cs
- //
- // This code is part of Document Solutions for Word demos.
- // Copyright (c) MESCIUS inc. All rights reserved.
- //
- using System;
- using System.IO;
- using System.Drawing;
- using System.Collections.Generic;
- using System.Linq;
- using System.Globalization;
- using GrapeCity.Documents.Word;
-
- namespace DsWordWeb.Demos
- {
- // This example shows how to deal with the template formatter
- // conflicting with another formatter error.
- public class DataTplFixFormatterConflict
- {
- // Code demonstrating the problem:
- GcWordDocument Problem()
- {
- using var oceans = File.OpenRead(Path.Combine("Resources", "data", "oceans.json"));
- var doc = new GcWordDocument();
- doc.DataTemplate.DataSources.Add("ds", oceans);
- // Incorrect: pbb (paragraph-block-behavior) and rbb (run-block-behavior) formatters
- // were both applied to the same range template tag:
- doc.Body.Paragraphs.Add("{{#ds.seas}:pbb():rbb()}{{ds.seas.name}} {{/ds.seas}}");
- doc.DataTemplate.Process(CultureInfo.GetCultureInfo("en-US"));
- return doc;
- }
-
- // Code demonstrating the fix:
- GcWordDocument Fix()
- {
- using var oceans = File.OpenRead(Path.Combine("Resources", "data", "oceans.json"));
- var doc = new GcWordDocument();
- doc.DataTemplate.DataSources.Add("ds", oceans);
- // Correct: pbb and rbb are block-modifier formatters, so only one of them can be used on a single range template tag:
- doc.Body.Paragraphs.Add("{{#ds.seas}:rbb()}{{ds.seas.name}} {{/ds.seas}}");
- doc.DataTemplate.Process(CultureInfo.GetCultureInfo("en-US"));
- return doc;
- }
-
- public GcWordDocument CreateDocx()
- {
- GcWordDocument doc;
- try
- {
- // This fails:
- doc = Problem();
- }
- catch (Exception ex)
- {
- // This works:
- doc = Fix();
- // Insert a brief explanation of the problem and the fix into the generated document:
- doc.Body.Paragraphs.Insert(
- $"The error \"{ex.Message}\" occurred because a pbb (paragraph-block-behavior) and a rbb (run-block-behavior) " +
- $"formatters were both applied to the same range template tag. pbb and rbb are block-modifier formatters, " +
- $"so only one of them can be used on a single range template tag.",
- doc.Styles[BuiltInStyleId.BlockText],
- InsertLocation.Start);
- }
- return doc;
- }
- }
- }
-