关于open xml sdk 2.0问题

Question

明明已经添加引用，为何报错没有添加引用。

Answer 1

[code=csharp]using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Presentation;
using DocumentFormat .OpenXml.Packaging;namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
        }
      
        //how to create a package
        public static void CreateNewWord(string document)
        {
            using(WordprocessingDocument worddoc=WordprocessingDocument.Create(document ,WordprocessingDocumentType.Document ))
            {
                MainDocumentPart mainpart = worddoc.AddMainDocumentPart();
                SetMainDocumentContent(mainpart );            }
        }
        public static void SetMainDocumentContent(MainDocumentPart part)
        {
            const string docXml =
 @"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?> 
<w:document xmlns:w=""http://schemas.openxmlformats.org/wordprocessingml/2006/main"">
    <w:body><w:p><w:r><w:t>Hello world!</w:t></w:r></w:p></w:body>
</w:document>";                    using (Stream stream=part.GetStream())
                    {
                        byte[] buf = (new UTF8Encoding()).GetBytes(docXml);
                        stream.Write(buf, 0, buf.Length);
                    }
        }
    }
}
code]