Summary How to use Indentation in XmlTextWriter?

The property Indentation is used to indent the chars for each child element. You should set this property if you feel unconfortable with the default value of 2. Formatting and indentation are two ways which makes it easier to read the XML elements for example in notepad. The following code illustrates how you can use this property.

Note: You have to set the Formatting property to Formatting.Indented to make usage of the Indentation property, otherwise it won't work.

Additional information

<%@ import namespace="System.Xml" %> <%@ page language="C#" debug="true"%> <script runat="server"> void page_load(object sender, System.EventArgs e){ XmlTextWriter xmlWriter = new XmlTextWriter(Server.MapPath("XmlTextWriterWithIndentation.xml"), null); // Format the xml automatically to a tree structure xmlWriter.Formatting = Formatting.Indented; // Sets the chars indentation to 10 xmlWriter.Indentation = 10; // Write xml declaration xmlWriter.WriteStartDocument(); // Write root element xmlWriter.WriteStartElement("CategoryList"); // Write first sub element of root element xmlWriter.WriteStartElement("Category"); // Write ID Attribute // First parameter is the attribute name and the second is the value xmlWriter.WriteAttributeString("ID","0"); // now start adding elements to the Category element xmlWriter.WriteElementString("MainCategory","XML"); // add the 2nd element to the Category element xmlWriter.WriteElementString("Description","XML Articles"); // add the 3rd element to the Category element xmlWriter.WriteElementString("Active","Yes"); // write end elements xmlWriter.WriteEndElement(); // close writer xmlWriter.Close(); Response.Write("Xml Written"); } </script>

Further additional information

<?xml version="1.0"?> <CategoryList> <Category ID="0"> <MainCategory>XML</MainCategory> <Description>XML Articles</Description> <Active>Yes</Active> </Category> </CategoryList>

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