ReadTxtFile

 public FileDataModel ReadTxtFile(string filePath)
        {
            string[] textData = System.IO.File.ReadAllLines(filePath);
            string[] headers = textData[0].Split('\t');
            DataTable dataTable1 = new DataTable();
            foreach (string header in headers)
                dataTable1.Columns.Add(header, typeof(string), null);
            for (int i = 1; i < textData.Length; i++)
            {
                dataTable1.Rows.Add(textData[i].Split('\t'));
            }
            var fileDataModel = new FileDataModel();
           
            // Convert From Table To Object
            fileDataModel = ConvertFromTableToObject(dataTable1);
            return fileDataModel;
        }



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;
        }