using DevExpress.XtraTreeList.Columns; using DevExpress.XtraTreeList.Nodes; using Lskj.Control.Model; using Lskj.Model; using System; using System.Collections.Generic; using System.Data; using System.Linq; using System.Text; namespace Lskj.ProductiSched { public class ProductDataModel { //treeList树展开的节点块 public List treeListNodes = new List(); // 在你的类内部定义此字典(一次定义,长期复用) public Dictionary columnDateMapping = new Dictionary(); pub