I am using OpemXML in C# in order to build my DOCX file. My code looks like this:
using (WordprocessingDocument wordDoc = WordprocessingDocument.Open(wordFileNamePath, true))
{
for (int i = 0; i < length; i++)
{
using (StreamWriter sw = new StreamWriter(i == 0 ? wordDoc.MainDocumentPart.GetStream(FileMode.Create) : wordDoc.MainDocumentPart.GetStream(FileMode.Append, FileAccess.Write)))
{
sw.Write(tempDocText.ToString());
}
if (i < length - 1)
{
tempDocText = CreateNewStringBuilder();
InsertPageBreak(wordDoc);
}
}
wordDoc.MainDocumentPart.Document.Save();
}
On the second loop, when it comes to wordDoc.MainDocumentPart.GetStream(FileMode.Append, FileAccess.Write)
I'm getting an ArgumentException saying "FileMode value is not supported."
I think there is a problem in your code, you are using tempDocText.ToString() before initializing it in the for loop as shown below
using (StreamWriter sw = new StreamWriter(i == 0 ? wordDoc.MainDocumentPart.GetStream(FileMode.Create) : wordDoc.MainDocumentPart.GetStream(FileMode.Append, FileAccess.Write)))
{
sw.Write(tempDocText.ToString()); //<-Used before Initialization
}
and Initializing it as in the later code block
if (i < length - 1)
{
tempDocText = CreateNewStringBuilder(); //<-Initializing it here.
InsertPageBreak(wordDoc);
}
Unless you provide more information about tempDocText , its dificult to help.
Anyways, if you just want to add text to a docx file then the following code may help. I found it here .
public static void OpenAndAddTextToWordDocument(string filepath, string txt)
{
// Open a WordprocessingDocument for editing using the filepath.
WordprocessingDocument wordprocessingDocument =
WordprocessingDocument.Open(filepath, true);
// Assign a reference to the existing document body.
Body body = wordprocessingDocument.MainDocumentPart.Document.Body;
// Add new text.
Paragraph para = body.AppendChild(new Paragraph());
Run run = para.AppendChild(new Run());
run.AppendChild(new Text(txt));
// Close the handle explicitly.
wordprocessingDocument.Close();
}
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