protected void OnTreeViewMainDataCursorChanged(object sender, EventArgs e)
    {
        TreePath[] f = treeView_MainData.Selection.GetSelectedRows();

        try
        {
            if (f [0].Indices[0] > 0)
            {
                _SelectProduct = _ProductsList[f [0].Indices[0] - 1];
            }
        }
        catch
        {
        }
    }
    //TREE VIEW FUNCTIONS

    protected void OnTreeViewMainDataRowActivated(object o, RowActivatedArgs args)
    {
        try
        {
            TreePath[] c = treeView_MainData.Selection.GetSelectedRows();

            if (c [0].Indices[0] > 0)
            {
                _SelectProduct = _ProductsList[c [0].Indices[0] - 1];

                Auto_Warehouse.Parametr_Window window = new Parametr_Window(_SelectProduct);
            }
        }
        catch
        {}
    }