DevExpress gridcontrol Master-Detail綁定到對象類型

數據庫:C_ProductPlan ,C_ProductPlanItem
DTO定義:(實現每個計划條目-Master,對應多個ProcessInfo-Detail)

    [DataContract]
    [Serializable]
    public class PlanInfo:C_ProductPlan
    {
        public PlanInfo()
        {
            Items = new List<ProducePlanItem>();
        }
      
        [DataMember]
        public List<ProducePlanItem> Items { get; set; }
    }

    [DataContract]
    [Serializable]
    public class ProducePlanItem :C_ProductPlanItem
    {
       

        public ProducePlanItem()
        {
            ProcessConfig = new List<ProcessInfo>();
        }
      
        [DataMember]
        public List<ProcessInfo> ProcessConfig { get; set; }

        

    

    }

    
    [Serializable]
    public class ProcessInfo
    {
        public String Name{get;set;}
        public int Order{get;set;}
        public bool? IsChecked{get;set;}
        public String Memo{get;set;}
    }

 

UI定義:
index-是行記錄，relationIndex是對應的子集合序號（可以有多個子集合），IsEmpty=true時主列表前面的"+"灰色
getCount 返回最大的子集合數

   public class ProducePlanItems : ArrayList, IRelationList
    {
        public ProducePlanItems()
        {

        }


        #region IRelationList 成員

        public System.Collections.IList GetDetailList(int index, int relationIndex)
        {
            return this[index].ProcessConfig;
        }

        public string GetRelationName(int index, int relationIndex)
        {

            return "ProcessConfig";
        }

        public bool IsMasterRowEmpty(int index, int relationIndex)
        {
            return false;
        }

        public int RelationCount
        {
            get { return 1; }
        }

        #endregion

        public virtual new ProducePlanItem this[int index]
        {
            get { return base[index] as ProducePlanItem; }
        }
    }

需要引用Dexexpress.Data.dll, 

 1.gridview-MainView 綁定到UI中定義的ProducePlanItems.

 2.添加一個level1 將level1重命名稱ProcessConfig（對應上面IRelationList.GetRelationName的返回
 
 3.level1 添加 gridview2 ，需要手動設置gridview的列，可以設置gridview2的ViewCaption

 4.獲取數據后將items轉化成producePlanItems,並綁定到UI