ReadXmlFile

  public FileDataModel ReadXmlFile(string filePath)
        {
            try
            {
                if (!File.Exists(filePath))
                {
                    throw new PersistenceValidationException("Validation Error",
                        new List<BrokenRule>
                        {
                            new BrokenRule(BrokenRuleEnum.Data.ToStringValue(), "FileUpload", "File not found.")
                        });
                }

                XElement xele = XElement.Load(filePath); //get your file
                // declare a new DataTable and pass your XElement to it
                DataTable dataTable1 = XElementToDataTable(xele);
              
                // Convert From Table To Object
                var fileDataModel = ConvertFromTableToObject(dataTable1);
               return fileDataModel;
            }
            catch (XmlException)
            {
                throw new PersistenceValidationException("Validation Error", new List<BrokenRule>
                {
                    new BrokenRule("InvalidXml", "Invalid Xml file")
                });
            }
        }

------------------
 public DataTable XElementToDataTable(XElement x)
        {
            DataTable dtable = new DataTable();
            XElement setup = (from p in x.Descendants() select p).First();
            // build your DataTable
            foreach (XElement xe in setup.Descendants())
                dtable.Columns.Add(new DataColumn(xe.Name.ToString(), typeof(string))); // add columns to your dt
            var all = from p in x.Descendants(setup.Name.ToString()) select p;
            foreach (XElement xe in all)
            {
                DataRow dr = dtable.NewRow();
                foreach (XElement xe2 in xe.Descendants())
                    dr[xe2.Name.ToString()] = xe2.Value; //add in the values
                dtable.Rows.Add(dr);
            }
            return dtable;
        }

------------------

 private static FileDataModel ConvertFromTableToObject(DataTable dataTable1)
        {
            var fileDataModel = new FileDataModel();
            var listDataResult = new List<List<FieldImports>>();
            var columnList = new List<FieldImports>();
            for (var columnIndex = 0; columnIndex < dataTable1.Columns.Count; columnIndex++)
            {
                var result = new FieldImports();
                result.ColumnName = Convert.ToString(dataTable1.Columns[columnIndex]);
                columnList.Add(result);
            }
            for (var rowIndex = 0; rowIndex < dataTable1.Rows.Count; rowIndex++)
            {
                var fileData = new List<FieldImports>();
                for (var columnIndex = 0; columnIndex < dataTable1.Columns.Count; columnIndex++)
                {
                    var result = new FieldImports();
                    result.ColumnValue = Convert.ToString(dataTable1.Rows[rowIndex][columnIndex]);
                    fileData.Add(result);
                }
                listDataResult.Add(fileData);
            }
            fileDataModel.fileData = listDataResult;
            fileDataModel.columnList = columnList;
            return fileDataModel;
        }