Create .docx file

Peter_1985 2,686

Hi,
How to create one .docx file using C sharp?

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Castorix31 85,881 Reputation points

2021-10-06T09:15:45.897+00:00

You can use Open XML which works fine
(can be done with Office Interop too, but it needs Office to be installed)

Basic sample : Create a word processing document by providing a file name
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Peter_1985 2,686 Reputation points

2021-10-06T13:53:51.873+00:00

What is reason of error

System.NullReferenceException
HResult=0x80004003
Message=Object reference not set to an instance of an object.
Source=WindowsFormsApp1

due to last line (with body line)?

static void Main() { WriteToNewWordDoc("y:/d2.docx", "Oct-6 One more line"); Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new Form1()); } public static void WriteToNewWordDoc(string filepath, string txt) { // Open a WordprocessingDocument for editing using the filepath. //using (WordprocessingDocument wordprocessingDocument = // WordprocessingDocument.Open(filepath, true)) //{ using (WordprocessingDocument wordDocument = WordprocessingDocument.Create(filepath, WordprocessingDocumentType.Document)) { // Assign a reference to the existing document body. Body body = wordDocument.MainDocumentPart.Document.Body;

Castorix31 85,881 Reputation points

2021-10-06T14:05:58.47+00:00

You create a document, so there is no Body yet
See the code for the creation of a new document : Sample Code

laurentcutey-3677 16 Reputation points

2021-10-06T14:40:19.077+00:00

you just have to copy-paste MSDN code, and the .docx is created
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Karen Payne MVP 35,436 Reputation points

2021-10-06T14:29:06.743+00:00
Install the following NuGet package DocumentFormat.OpenXml.

Try creating a new document

using (var document = WordprocessingDocument.Create(fileName, WordprocessingDocumentType.Document)) { MainDocumentPart mainPart = document.AddMainDocumentPart(); mainPart.Document = new Document(); mainPart.Document.AppendChild(new Body()); mainPart.Document.Save(); }

The above is taken from Office Word Basic operations: Open XML SDK 2.5 Office Word documents with source code in the following repository project.

EDIT: Code sample to create a new document and write a single paragraph.
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laurentcutey-3677 16 Reputation points

2021-10-06T14:39:17.53+00:00

This is copy-paste of MSDN code already posted... useless

Karen Payne MVP 35,436 Reputation points

2021-10-06T16:57:03.28+00:00

Not a copy and paste.
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Create .docx file

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