var $gantt_container = $('#gantt_container');

            $gantt_container.FlexyGantt({

                CanUserReorderRows: true,

                EnableDropAsChild: true,

                ............

                .............

                GanttChartTemplateApplied: function (sender , args) {

                ...............

                }

            });

var fxgantt = $gantt_container.data('FlexyGantt');

fxgantt.BeforeRowsDragStart.subscribe(function (args) {

// Here the args will give you the top selected row index. You can optionally, prevent the dragging here.

var selectedItems = fxgantt.SelectedItems;

   for (var i = 0; i < selectedItems.length; i++) {

      if (selectedItems[i].Data().TName == "Team2") {

         args.Cancel = true;

         return;

      }

   }

});

fxgantt.SelectedRowsDrop.subscribe(function (args) {

    // Here the args will give you the rows that are being dragged and the destination row, including whether the user wanted the         rows to be dropped as sibling or children.

// This will be the case when Teams are dragged.

   var selectedItem = fxgantt.SelectedItem;

if (selectedItem.IsParentType() == false) {

    alert("Only Employees can be dragged");

    args.Cancel = true;

    return;

}

// This will be the case when the user chooses to drop next to a node rather than within a node.

else if (args.DropAsChildren == false) {

    args.Cancel = true;

    alert("Can only be dropped as children.");

}

// User choose to drop within a node

else {

    var dropRowData = fxgantt.FlatHierarchicalItemsList[args.DestinationIndex];

    // Do this only when the destination is a Team

    if (dropRowData.data.TName == "Team1") {

        args.Cancel = true

        return;

    }

    if (dropRowData._parentItem == null || dropRowData._parentItem == undefined) {

        // Save the selected rows, before deleting them from the UI:

           var selectedRows = fxgantt.SelectedItems.slice(0);

        var index = GetRowIndex(dropRowData.corrFlexyNodeData);

        var dropTeam = GetTeam(index);

        // Move all the selected employees into the destination team.

        for (var i = 0; i < selectedRows.length; i++) {

            var empIndex = GetRowIndex(selectedRows[i]);

            var employee = selectedRows[i].Data();

            var currentTeam = GetTeam(empIndex);

            if (currentTeam != dropTeam) {

                // Delete from old Team

                $.observable(currentTeam.Resources).remove(employee);

                // Add to new Team

                $.observable(dropTeam.Resources).insert(employee);

            }

        }

    }

    else {

        alert("Can only be dropped on Teams");

        args.Cancel = true;

    }

}

});

GetRowIndex = function (rowData) {

    if (fxgantt.options.UseVirtualization)

        return rowData.TableRow()[0]._displayIndex;

    else

        return rowData.TableRow()[0].rowIndex;

}