I checked some online tutorial and found the C# always use Append to add new element. I converted C# code to F# and the generated document always shows nothing. After unzip the package, I should AppendChild. The following code is to use F# with OpenXML SDK to create a new Word document. I will explore more on this SDK next week.
let createDoc(record) = let name, content = record let filePath = sprintf @".\%s.docx" name let myDoc = WordprocessingDocument.Create(filePath, WordprocessingDocumentType.Document) // Add a new main document part. let mainPart = myDoc.AddMainDocumentPart() //Create Document tree for simple document. mainPart.Document <- Document() //Create Body (this element contains other elements that we want to include let body = Body() //Create paragraph let createParagraph(text) = let paragraph = Paragraph() let run_paragraph = Run() // we want to put that text into the output document let text_paragraph = Text text //Append elements appropriately. ignore <| run_paragraph.AppendChild(text_paragraph) ignore <| paragraph.AppendChild(run_paragraph) paragraph //create a paragraph with text let paragraph0 = createParagraph (sprintf "Dear %s" name) let paragraph1 = createParagraph (sprintf "Congratulations! %s" content) [paragraph0; paragraph1] |> List.iter (body.AppendChild>>ignore) ignore <| mainPart.Document.AppendChild(body) // Save changes to the main document part. mainPart.Document.Save() myDoc.Close()