public DragandDrop()
        {
            this.InitializeComponent();
            var datacontext = new EmployeeInfoViewModel();

            this.DataContext            = datacontext;
            this.sfDataGrid.ItemsSource = datacontext.EmployeeDetails200;
        }
        public PdfExporting()
        {
            this.InitializeComponent();
            var datacontext = new EmployeeInfoViewModel();

            this.DataContext        = datacontext;
            this.sfGrid.ItemsSource = datacontext.EmployeeDetails200;
        }
        public Filtering()
        {
            this.InitializeComponent();
            var datacontext = new EmployeeInfoViewModel();

            this.DataContext        = datacontext;
            this.sfGrid.ItemsSource = datacontext.EmployeeDetails;
            this.Loaded            += FilteringLoaded;
        }