private string stateCode;


 public void GenerateDocument()
        {
            //Select the state for which we will print out the data
            this.stateCode = "MA";
            // Create WordTemplate
            WordTemplate wt = new WordTemplate();
 
            // Open the template document
            string templatePath = @"..\..\WordTemplateFiles\MailMergeTemplate.docx";
            wt.Open(templatePath);
     
            // Get the datatable for any state by parsing that state's specific csv file
            DataTable RegionData = GetCustomerData(@"..\..\WordData\MailMergeDemoData"+this.stateCode+".CSV");
           
          
            // Set the DataTable as the source for the mailmerge.
            wt.SetMailMerge(RegionData);
            wt.Process();
      
            // Save the document
            string docName = String.Format("MailMerge-{0}", this.stateCode);
            wt.Save(@"..\..\WordOutputFiles\"+ docName+ "_output"+".docx");
        }

        /// <summary> 
        /// Parses the data from the csv file with the data for a specific state
        /// Note: only the MA csvfile exists because this is for sample purposes
        /// </summary>
        /// <returns>DataTable of mailing data</returns>
        private DataTable GetCustomerData(String csvFileName)
        {
            DataTable dt;
            using (GenericParserAdapter parser = new GenericParserAdapter(csvFileName))
            {
                parser.ColumnDelimiter = ',';
                parser.FirstRowHasHeader = true;
                
                dt = parser.GetDataTable();
            }
            return dt;
        }