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Spire.Doc for .NET
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C#: Add, Insert, or Delete Pgaes in Word Documents

Adding, inserting, and deleting pages in a Word document is crucial for managing and presenting content. By adding or inserting a new page in Word, you can expand the document to accommodate more content, making it more structured and readable. Deleting pages can help streamline the document by removing unnecessary information or erroneous content. This article will explain how to use Spire.Doc for .NET to add, insert, or delete a page in a Word document within a C# project.

Install Spire.Doc for .NET

To begin with, you need to add the DLL files included in the Spire.Doc for .NET package as references in your .NET project. The DLL files can be either downloaded from this link or installed via NuGet.

PM> Install-Package Spire.Doc

Add a Page in a Word Document using C#

The steps to add a new page at the end of a Word document involve first obtaining the last section, then inserting a page break at the end of the last paragraph of that section to ensure that subsequently added content appears on a new page. Here are the detailed steps:

  • Create a Document object.
  • Load a Word document using the Document.LoadFromFile() method.
  • Get the body of the last section of the document using Document.LastSection.Body.
  • Add a page break by calling Paragraph.AppendBreak(BreakType.PageBreak) method.
  • Create a new ParagraphStyle object.
  • Add the new paragraph style to the document's style collection using Document.Styles.Add() method.
  • Create a new Paragraph object and set the text content.
  • Apply the previously created paragraph style to the new paragraph using Paragraph.ApplyStyle(ParagraphStyle.Name) method.
  • Add the new paragraph to the document using Body.ChildObjects.Add(Paragraph) method.
  • Save the resulting document using the Document.SaveToFile() method.
  • C#
// Create a new document object
Document document = new Document();

// Load a document
document.LoadFromFile("Sample.docx");

// Get the body of the last section of the document
Body body = document.LastSection.Body;

// Insert a page break after the last paragraph in the body
body.LastParagraph.AppendBreak(BreakType.PageBreak);

// Create a new paragraph style
ParagraphStyle paragraphStyle = new ParagraphStyle(document);
paragraphStyle.Name = "CustomParagraphStyle1";
paragraphStyle.ParagraphFormat.LineSpacing = 12;
paragraphStyle.ParagraphFormat.AfterSpacing = 8;
paragraphStyle.CharacterFormat.FontName = "Microsoft YaHei";
paragraphStyle.CharacterFormat.FontSize = 12;

// Add the paragraph style to the document's style collection
document.Styles.Add(paragraphStyle);

// Create a new paragraph and set the text content
Paragraph paragraph = new Paragraph(document);
paragraph.AppendText("Thank you for using our Spire.Doc for .NET product. The trial version will add a red watermark to the generated document and only supports converting the first 10 pages to other formats. Upon purchasing and applying a license, these watermarks will be removed, and the functionality restrictions will be lifted.");

// Apply the paragraph style
paragraph.ApplyStyle(paragraphStyle.Name);

// Add the paragraph to the body's content collection
body.ChildObjects.Add(paragraph);

// Create another new paragraph and set the text content
paragraph = new Paragraph(document);
paragraph.AppendText("To experience our product more fully, we provide a one-month temporary license free of charge to each of our customers. Please send an email to sales@e-iceblue.com, and we will send the license to you within one working day.");

// Apply the paragraph style
paragraph.ApplyStyle(paragraphStyle.Name);

// Add the paragraph to the body's content collection
body.ChildObjects.Add(paragraph);

// Save the document to the specified path
document.SaveToFile("Add a Page.docx", FileFormat.Docx);

// Close the document
document.Close();

// Release the resources of the document object
document.Dispose();

C#: Add, Insert, or Delete Pgaes in Word Documents

Insert a Page in a Word Document using C#

Before inserting a new page, it is necessary to determine the ending position index of the specified page content within the section. Subsequently, add the content of the new page to the document one by one after this position. Finally, to separate the content from the following pages, adding a page break is essential. The detailed steps are as follows:

  • Create a Document object.
  • Load a Word document using the Document.LoadFromFile() method.
  • Create a FixedLayoutDocument object.
  • Obtain the FixedLayoutPage object of a page in the document.
  • Determine the index position of the last paragraph on the page within the section.
  • Create a new ParagraphStyle object.
  • Add the new paragraph style to the document's style collection using Document.Styles.Add() method.
  • Create a new Paragraph object and set the text content.
  • Apply the previously created paragraph style to the new paragraph using the Paragraph.ApplyStyle(ParagraphStyle.Name) method.
  • Insert the new paragraph at the specified using the Body.ChildObjects.Insert(index, Paragraph) method.
  • Create another new paragraph object, set its text content, add a page break by calling the Paragraph.AppendBreak(BreakType.PageBreak) method, apply the previously created paragraph style, and then insert this paragraph into the document.
  • Save the resulting document using the Document.SaveToFile() method.
  • C#
using Spire.Doc;
using Spire.Doc.Pages;
using Spire.Doc.Documents;

namespace SpireDocDemo
{
    internal class Program
    {
        static void Main(string[] args)
        {
           // Create a new document object
            Document document = new Document();

            // Load the sample document from a file
            document.LoadFromFile("Sample.docx");

            // Create a fixed layout document object
            FixedLayoutDocument layoutDoc = new FixedLayoutDocument(document);

            // Get the first page
            FixedLayoutPage page = layoutDoc.Pages[0];

            // Get the body of the document
            Body body = page.Section.Body;

            // Get the last paragraph of the current page
            Paragraph paragraphEnd = page.Columns[0].Lines[page.Columns[0].Lines.Count - 1].Paragraph;

            // Initialize the end index
            int endIndex = 0;
            if (paragraphEnd != null)
            {
                // Get the index of the last paragraph
                endIndex = body.ChildObjects.IndexOf(paragraphEnd);
            }

            // Create a new paragraph style
            ParagraphStyle paragraphStyle = new ParagraphStyle(document);
            paragraphStyle.Name = "CustomParagraphStyle1";
            paragraphStyle.ParagraphFormat.LineSpacing = 12;
            paragraphStyle.ParagraphFormat.AfterSpacing = 8;
            paragraphStyle.CharacterFormat.FontName = "Microsoft YaHei";
            paragraphStyle.CharacterFormat.FontSize = 12;

            // Add the paragraph style to the document's style collection
            document.Styles.Add(paragraphStyle);

            // Create a new paragraph and set the text content
            Paragraph paragraph = new Paragraph(document);
            paragraph.AppendText("Thank you for using our Spire.Doc for .NET product. The trial version will add a red watermark to the generated document and only supports converting the first 10 pages to other formats. Upon purchasing and applying a license, these watermarks will be removed, and the functionality restrictions will be lifted.");

            // Apply the paragraph style
            paragraph.ApplyStyle(paragraphStyle.Name);

            // Insert the paragraph at the specified position
            body.ChildObjects.Insert(endIndex + 1, paragraph);

            // Create another new paragraph
            paragraph = new Paragraph(document);
            paragraph.AppendText("To experience our product more fully, we provide a one-month temporary license free of charge to each of our customers. Please send an email to sales@e-iceblue.com, and we will send the license to you within one working day.");

            // Apply the paragraph style
            paragraph.ApplyStyle(paragraphStyle.Name);

            // Add a page break
            paragraph.AppendBreak(BreakType.PageBreak);

            // Insert the paragraph at the specified position
            body.ChildObjects.Insert(endIndex + 2, paragraph);

            // Save the document to the specified path
            document.SaveToFile("Insert a Page.docx", Spire.Doc.FileFormat.Docx);

            // Close and release the original document
            document.Close();
            document.Dispose();
        }
    }
}

C#: Add, Insert, or Delete Pgaes in Word Documents

Delete a Page from a Word Document using C#

To delete the content of a page, first determine the index positions of the starting and ending elements of that page in the document. Then, you can utilize a loop to systematically remove these elements one by one. The detailed steps are as follows:

  • Create a Document object.
  • Load a Word document using the Document.LoadFromFile() method.
  • Create a FixedLayoutDocument object.
  • Obtain the FixedLayoutPage object of the first page in the document.
  • Use the FixedLayoutPage.Section property to get the section where the page is located.
  • Determine the index position of the first paragraph on the page within the section.
  • Determine the index position of the last paragraph on the page within the section.
  • Use a for loop to remove the content of the page one by one.
  • Save the resulting document using the Document.SaveToFile() method.
  • C#
using Spire.Doc;
using Spire.Doc.Pages;
using Spire.Doc.Documents;

namespace SpireDocDemo
{
    internal class Program
    {
        static void Main(string[] args)
        {
           // Create a new document object
            Document document = new Document();

            // Load the sample document from a file
            document.LoadFromFile("Sample.docx");

            // Create a fixed layout document object
            FixedLayoutDocument layoutDoc = new FixedLayoutDocument(document);

            // Get the second page
            FixedLayoutPage page = layoutDoc.Pages[1];

            // Get the section of the page
            Section section = page.Section;

            // Get the first paragraph on the first page
            Paragraph paragraphStart = page.Columns[0].Lines[0].Paragraph;
            int startIndex = 0;
            if (paragraphStart != null)
            {
                // Get the index of the starting paragraph
                startIndex = section.Body.ChildObjects.IndexOf(paragraphStart);
            }

            // Get the last paragraph on the last page
            Paragraph paragraphEnd = page.Columns[0].Lines[page.Columns[0].Lines.Count - 1].Paragraph;

            int endIndex = 0;
            if (paragraphEnd != null)
            {
                // Get the index of the ending paragraph
                endIndex = section.Body.ChildObjects.IndexOf(paragraphEnd);
            }

            // Delete all content within the specified range
            for (int i = 0; i <= (endIndex - startIndex); i++)
            {
                section.Body.ChildObjects.RemoveAt(startIndex);
            }

            // Save the document to the specified path
            document.SaveToFile("Delete a Page.docx", Spire.Doc.FileFormat.Docx);

            // Close and release the original document
            document.Close();
            document.Dispose();
        }
    }
}

C#: Add, Insert, or Delete Pgaes in Word Documents

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