How to add new rows to an existing word document table in C#

As we know that MS Word is used to create documents Either it is blank at the start or it has a template that is similar to all other Microsoft applications.

Using MS Word, you can create many things like a professional resume, cover letters, flyers, and so on.Also, you can create certificates, to-do list.you can type normal words in the document. we can also do any official work or documentation work. So I decided to write this article for all developers who working on Word Document.

In this article, I will explain to you, How to add new rows to an existing word document table in C#. So, I have created a Word Document template with an existing table inside the word document which has Id, Name, address, and Zipcode column .As you can see in the below image.

I have created a windows project for explain

Below is customer.cs class file for creating the list which we insert in the word document.

public class Customer
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Address { get; set; }
        public string ZipCode { get; set; }
    }

Fill existing table in microsoft word dynamically via c#

OnClick of button copy paste the below doe

Step 1: Install open XML Nuget package

Install-Package DocumentFormat.OpenXml -Version 2.15.0

Step 2:Write Code

Now we going to insert new rows on the existing customer table using the C# .I’m using OpenXml for working with word documents for adding dynamic rows to the table. First, we are going to list all the tables inside our document identify if the table inside my word document template exists or not.

we are performing the  Add rows to a table dynamically in existing word document using OpenXml as you can see in below code. we are iterating through each customer in the list and adding it to the existing table.

if you are also looking for replacing text in the word file then please read below article

• Simple Way Find and replace text in Word document using C#

 private void button3_Click(object sender, EventArgs e)
        {
            // original template path
            var inputFile = @"E:\Template_table.docx";
            //modify template path where we save modify word template
            var outputFile = @"E:\ModifyTemplate_table.docx";

            //creating customer list
            List<Customer> customerlist = new List<Customer>();
            customerlist.Add(new Customer { Id = 1, Name = "Blondel", Address = "Berguvsvägen", ZipCode = "68306" });
            customerlist.Add(new Customer { Id = 1, Name = "Chop", Address = "Heerstr. 22", ZipCode = "3434" });
            customerlist.Add(new Customer { Id = 1, Name = "Martine", Address = "Orchestra Terrace", ZipCode = "32232" });
            customerlist.Add(new Customer { Id = 1, Name = "Manuel", Address = "C/ Romero", ZipCode = "323323" });

            //check if file exist or not
            if (System.IO.File.Exists(inputFile))
            {
                WordDocumentService wordDocumentService = new WordDocumentService();
                if (System.IO.File.Exists(inputFile))
                {
                    using (WordprocessingDocument doc = WordprocessingDocument.Open(inputFile, true)) //open source word file
                    {
                        Document document = doc.MainDocumentPart.Document;
                        OpenXmlPackage res = doc.SaveAs(outputFile); // copy it to outfile path for editing
                        res.Close();
                    }
                    using (WordprocessingDocument wordDoc2 = WordprocessingDocument.Open(outputFile, true))
                    {
                        var doc = wordDoc2.MainDocumentPart.Document;
                        //getting first table in word document specify as we use at zero index ElementAt(0)
                        DocumentFormat.OpenXml.Wordprocessing.Table table = doc.MainDocumentPart.Document.Body.Elements<DocumentFormat.OpenXml.Wordprocessing.Table>().ElementAt(0);
                        //iterating throgh each customer in the list and adding in the table
                        foreach (var item in customerlist)
                        {
                            DocumentFormat.OpenXml.Wordprocessing.TableRow tr = new DocumentFormat.OpenXml.Wordprocessing.TableRow();
                            DocumentFormat.OpenXml.Wordprocessing.TableCell tablecellService1 = new DocumentFormat.OpenXml.Wordprocessing.TableCell(new DocumentFormat.OpenXml.Wordprocessing.Paragraph(new DocumentFormat.OpenXml.Wordprocessing.Run(new DocumentFormat.OpenXml.Wordprocessing.Text(item.Id.ToString()))));
                            DocumentFormat.OpenXml.Wordprocessing.TableCell tablecellService2 = new DocumentFormat.OpenXml.Wordprocessing.TableCell(new DocumentFormat.OpenXml.Wordprocessing.Paragraph(new DocumentFormat.OpenXml.Wordprocessing.Run(new DocumentFormat.OpenXml.Wordprocessing.Text(item.Name))));
                            DocumentFormat.OpenXml.Wordprocessing.TableCell tablecellService3 = new DocumentFormat.OpenXml.Wordprocessing.TableCell(new DocumentFormat.OpenXml.Wordprocessing.Paragraph(new DocumentFormat.OpenXml.Wordprocessing.Run(new DocumentFormat.OpenXml.Wordprocessing.Text(item.Address))));
                            DocumentFormat.OpenXml.Wordprocessing.TableCell tablecellService4 = new DocumentFormat.OpenXml.Wordprocessing.TableCell(new DocumentFormat.OpenXml.Wordprocessing.Paragraph(new DocumentFormat.OpenXml.Wordprocessing.Run(new DocumentFormat.OpenXml.Wordprocessing.Text(item.ZipCode))));
                            tr.Append(tablecellService1, tablecellService2, tablecellService3, tablecellService4);
                            table.AppendChild(tr);
                        }
                    }
                }
            }
        }

OutPut Word Document

* if you have a question please comment

Benefit of using Word Document in you Application

1. WYSIWYG (what-you-see-is-what-you-get) display: It ensures that whatever is displayed on the screen or appears on the screen when printed or in any other device When it is moved, it appears exactly as if it was the first one.

2. Spell check: Word has a built-in dictionary to check to spell; Any misspelled words are marked with a red squiggly underline. Word automatically auto-corrects the obviously misspelled word text or phrase in document.

5. External support: Word is very compatible with other programs to use, which have very common with other members of the Office suite.

With the help of MS Word, we can create a resume, write a letter, design a wedding card, write a notice, and we can do many other things.
MS Word is a computer application program developed by Microsoft.

With the help of Ms word, we can create any type of document and after editing it, we can do its formatting by opening it and viewing it and we can also share that document.

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