How to get files and store it into list

private void upload()
        {
            OpenFileDialog openFileDialog1 = new OpenFileDialog();
            openFileDialog1.Title = strings.BROWSE_YOUR_DOCUMENTS;
            openFileDialog1.Filter = "PDF Files|*.pdf|Office Files|*.doc;*.docx;*.xls;*.xlsx;*.ppt;*.pptx|txt files (*.txt)|*.txt|Image Files(*.BMP;*.JPG;*.JPEG;*.PNG;*.GIF)|*.BMP;*.JPG;*.JPEG;*.PNG;*.GIF|All files (*.*)|*.*";
            openFileDialog1.CheckFileExists = true;
            openFileDialog1.CheckPathExists = true;
            openFileDialog1.Multiselect = true;
            openFileDialog1.FilterIndex = 5;
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                
                foreach (String file in openFileDialog1.FileNames)
                {
                    try
                    {
                        string name = Path.GetFileName(file);
                        string path = file;

                        Image img = file.GetThumbnail();
                        CLSFiles addfile = new CLSFiles();
                        addfile.id = 1;
                        addfile.name = name;
                        addfile.docNumber = "0";
                        addfile.operation_Name = opName;
                        addfile.operation_ID = opid;
                        addfile.Path = path;
                        addfile.thumb_Blob = img;
                        addfile.Status = 1;
                        files.Add(addfile);
                    }catch (Exception ex)
                    {
                        Msg.Show("", ex.ToString(), 0);
                    }
                   
                }
            }
            cLSFilesBindingSource.DataSource = files.ToList();
            DocViews.FocusedRowHandle = DocViews.DataRowCount - 1;
            loadRecordData();
        } 

public List<CLSFiles> files = new List<CLSFiles>();

public class CLSFiles
   {

       private int _id;
       private string _name;
       private string _docNumber;
       private string _operation_Name;
       private int? _operation_ID;
       private Nullable<sbyte> _Deafult;
       private string _Deafult_String;
       private Nullable<sbyte> _Status;
       private string _Status_String;
       private Image _thumb_Blob;
       private string _Path;



       public int id
       {
           get { return this._id; }
           set { this._id = value; }
       }
       public string name
       {
           get { return this._name; }
           set { this._name = value; }
       }
       public string docNumber
       {
           get { return this._docNumber; }
           set { this._docNumber = value; }
       }
       public string operation_Name
       {
           get { return this._operation_Name; }
           set { this._operation_Name = value; }
       }
       public int? operation_ID
       {
           get { return this._operation_ID; }
           set { this._operation_ID = value; }
       }
       public sbyte? Deafult
       {
           get { return this._Deafult; }
           set { this._Deafult = value; }
       }
       public string Deafult_String
       {
           get { return this._Deafult_String; }
           set { this._Deafult_String = value; }
       }
       public sbyte? Status
       {
           get { return this._Status; }
           set { this._Status = value; }
       }
       public string Status_String
       {
           get { return this._Status_String; }
           set { this._Status_String = value; }
       }
       public Image thumb_Blob
       {
           get { return this._thumb_Blob; }
           set { this._thumb_Blob = value; }
       }
       public string Path
       {
           get { return this._Path; }
           set { this._Path = value; }
       }


   }