Use DocumentBuilder to inserting an HTML
within C# and VB.NET.


   Use DocumentBuilderInsertHtml method to insert an HTML fragment or whole HTML document into the Word document.

Complete code

using System;
using SautinSoft.Document;
using System.Text;
using SautinSoft.Document.Drawing;

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        {
            InsertingHtml();
        }
        /// <summary>
        /// Inserts an HTML string into the document using DocumentBuilder.
        /// </summary>
        /// <remarks>
        /// Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/documentbuilder-inserting-html.php
        /// </remarks>

        static void InsertingHtml()
        {
            DocumentCore dc = new DocumentCore();
            DocumentBuilder db = new DocumentBuilder(dc);

            db.InsertHtml(
                "<body>" +
                "<p align='center' style='font-size: 36px'>Welcome to SautinSoft!</p>" +
                 "<p><img src='../../banner_sautinsoft.jpg' width='400' alt='image from disk'/></p>" +
                 "<p><img src='https://www.sautinsoft.com/images/banner_sautinsoft.jpg' width='200' height='50' alt='image from URL'/></p>" +
                  "<h1 align='center'>Heading 1 center.</h1>" + 
                  "<ol>" +
               "<li>Ordered List 1</li>" + "<ol>" + "<li>Ordered List 1.1</li>" + "<li>Ordered List 1.2</li>" + "</ol>" +
               "<li>Ordered List 2</li>" +
               "</ol>" +

                   "<ul>" +
         "<li>Unordered list 1</li>" +
         "<li>Unordered list 2</li>" +
         "</ul>" +

                "<p align='right'>Paragraph right</p>" +
                "<div align='center'>Div center</div>" +
                "<h1 align='left'>Heading 2 left.</h1>" +
            "</body>"
                );

            // Save our document into DOCX format.
            string resultPath = @"result.docx";
            dc.Save(resultPath, new DocxSaveOptions());

            // Open the result for demonstration purposes.
            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(resultPath) { UseShellExecute = true });
        }
    }
}

Download.

            Imports System
Imports SautinSoft.Document
Imports System.Text
Imports SautinSoft.Document.Drawing

Namespace Example
	Friend Class Program
		Shared Sub Main(ByVal args() As String)
			InsertingHtml()
		End Sub
		''' <summary>
		''' Inserts an HTML string into the document using DocumentBuilder.
		''' </summary>
		''' <remarks>
		''' Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/documentbuilder-inserting-html.php
		''' </remarks>

		Private Shared Sub InsertingHtml()
			Dim dc As New DocumentCore()
			Dim db As New DocumentBuilder(dc)

			db.InsertHtml("<body>" & "<p align='center' style='font-size: 36px'>Welcome to SautinSoft!</p>" &
						  "<p><img src='../banner_sautinsoft.jpg' width='400' alt='image from disk'/></p>" &
						  "<p><img src='https://www.sautinsoft.com/images/banner_sautinsoft.jpg' width='200' height='50' alt='image from URL'/></p>" &
						  "<h1 align='center'>Heading 1 center.</h1>" & "<ol>" & "<li>Ordered List 1</li>" &
						  "<ol>" & "<li>Ordered List 1.1</li>" & "<li>Ordered List 1.2</li>" & "</ol>" & "<li>Ordered List 2</li>" & "</ol>" &
						  "<ul>" & "<li>Unordered list 1</li>" & "<li>Unordered list 2</li>" & "</ul>" &
						  "<p align='right'>Paragraph right</p>" &
						  "<div align='center'>Div center</div>" &
						  "<h1 align='left'>Heading 2 left.</h1>" & "</body>")

			' Save our document into DOCX format.
			Dim resultPath As String = "result.docx"
			dc.Save(resultPath, New DocxSaveOptions())

			' Open the result for demonstration purposes.
			System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(resultPath) With {.UseShellExecute = True})
		End Sub
	End Class
End Namespace

Download.

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