Esempio n. 1
0
        private void barButtonItem3_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (treeList1.FocusedNode == null)
            {
                return;
            }

            if (treeList1.FocusedNode.ParentNode == null)
            {
                MsgBox.Show("一级分类为固定内容,不能删除!");
                return;
            }

            if (treeList1.FocusedNode.HasChildren)
            {
                MsgBox.Show("此分类下有子分类,请先删除子分类!");
                return;
            }

            if (!base.DeleteRight)
            {
                MsgBox.Show("您没有权限进行此项操作!");
                return;
            }

            if (MsgBox.ShowYesNo("是否删除分类 " + treeList1.FocusedNode.GetValue("Title") + "?") == DialogResult.Yes)
            {
                PSP_Types psp_Type = new PSP_Types();
                Class1.TreeNodeToDataObject <PSP_Types>(psp_Type, treeList1.FocusedNode);
                PSP_Values psp_Values = new PSP_Values();
                psp_Values.TypeID = psp_Type.ID;

                try
                {
                    //DeletePSP_ValuesByType里面删除数据和分类
                    Common.Services.BaseService.Update("DeletePSP_ValuesByType", psp_Values);

                    TreeListNode brotherNode = null;
                    if (treeList1.FocusedNode.ParentNode.Nodes.Count > 1)
                    {
                        brotherNode = treeList1.FocusedNode.PrevNode;
                        if (brotherNode == null)
                        {
                            brotherNode = treeList1.FocusedNode.NextNode;
                        }
                    }
                    treeList1.DeleteNode(treeList1.FocusedNode);

                    //删除后,如果同级还有其它分类,则重新计算此类的所有年份数据
                    if (brotherNode != null)
                    {
                        foreach (TreeListColumn column in treeList1.Columns)
                        {
                            if (column.FieldName.IndexOf("年") > 0)
                            {
                                CalculateSum(brotherNode, column);
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    MsgBox.Show("删除出错:" + ex.Message);
                }
            }
        }