Output XML to ASP.NET TextBox with formatting using XmlWriter?

Question

I am building an XML string programatically using the XmlWriter ...

sb = New StringBuilder()
writer = XmlWriter.Create(sb)

writer.WriteStartDocument()
writer.WriteStartElement("root")

writer.WriteStartElement("element1")
writer.WriteAttributeString("myattribute", "myvalue")
writer.WriteEndElement()

writer.WriteEndElement()
writer.WriteEndDocument()

writer.Flush()

myTextBox.text = "<pre>" & Return sb.ToString() & "</pre>"

I want to be able to output the XML to a TextBox control on a ASP.NET webform. When I do output the XML I don't get any line breaks or indentation in the XML. The XmlWriter does not seem to have any properties to set formatting. Is there anyway to retain formatting and indentation? Thank you.

NoAlias · Accepted Answer · 2011-02-28 19:20:57Z

3

Use a XmlWriterSettings class instance to specify the use of indentations and line breaks and then pass it into the xmlWriter's Create method. See the documentation here.

answered Feb 28, 2011 at 19:20

NoAlias

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1 Comment

webworm Over a year ago

Thanks for the link to the documentation. Good example listed there.

JoR · Accepted Answer · 2011-02-28 19:30:56Z

0

try this

  StringBuilder sb = new StringBuilder();
        StringWriter sw = new StringWriter();
        XmlTextWriter writer = new XmlTextWriter(sw);

        writer.Formatting = Formatting.Indented;


        // Write Xml Declaration with version 1.0 
        writer.WriteStartDocument();


        // Write Xml Document Root Element
        writer.WriteStartElement("Product");


        // Write attribute name and value to current Element 
        writer.WriteAttributeString("ProductID", "01");


        // Write Xml Element with Name and Inner Text
        writer.WriteElementString("ProductName", "P-Name");
        writer.WriteElementString("ProductQuantity","P-Quantity");
        writer.WriteElementString("ProductPrice", "P-Price");

        // Write Product Element closing Tag
        writer.WriteEndElement();

        // Write End of Document 
        writer.WriteEndDocument();

        // Flush and Close Writer
        writer.Flush();

        textBox1.Text = sw.ToString();

answered Feb 28, 2011 at 19:30

JoR

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1 Comment

John Saunders Over a year ago

-1: Don't use new XmlTextWriter(). It has been deprecated since .NET 2.0. Use XmlWriter.Create() instead.

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