How to add data dynamically from an array to existing XML template in C#?

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C#

I want to add data dynamically from an array to existing Xml template in c#. I am fetching data from the PDF File and set to an array and I need to pass the values from the same to respective Xml Nodes

My sample xml will be as below:

<Level>
  <Name>3420042016113757</Name>
  <Attribute>Excellency</Attribute>
  </Level>

What I have tried:

PdfReader pdfReader = new PdfReader(SourcePDFFullPath);
                AcroFields pdfFormFields = pdfReader.AcroFields;
                string PDFFileName = Path.GetFileName(SourcePDFFullPath);
                //Get Template Id from Hidden Field(Template ID set Statically) in SMART PDF
                string TemplateID = pdfFormFields.GetField("hidTemplateId");
                //Get PDF Data in control fields from Hidden  Field(PDF) in SMART PDF
                string CapturedPDFValues = pdfFormFields.GetField("hidPDFDataExport");
                string[] PDFValues = CapturedPDFValues.Split(delimiter1);