<connectionStrings><add name="EasyTestConnectionString" connectionString="Integrated Security=SSPI;Pooling=false;Data Source=.\SQLEXPRESS;Initial Catalog=Solution2EasyTest" /><add name="ConnectionString" connectionString="Data Source=GUANBAOPC\SQLEXPRESS;Initial Catalog=Solution2DB;Persist Security Info=true;User ID=sa;Password=123" /></connectionStrings>

using System;
using System.Linq;
using System.Text;
using System.ComponentModel;
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.DC;
using DevExpress.Data.Filtering;
using DevExpress.Persistent.Base;
using System.Collections.Generic;
using DevExpress.ExpressApp.Model;
using DevExpress.Persistent.Validation;
using DevExpress.Persistent.Base.General;
using DevExpress.ExpressApp.ConditionalAppearance;
using DevExpress.ExpressApp.Editors;namespace Solution2.Module.BusinessObjects
{[DomainComponent][DefaultClassOptions][XafDisplayName("部门信息")][Appearance("Single", Enabled = false, TargetItems="Name,Children,Parent", Visibility = ViewItemVisibility.Hide, Criteria = "1=1")]public interface Department : ITreeNode{[XafDisplayName("部门名称")]string DepartmentName { get; set; }[XafDisplayName("部门编号")]string DepartmentCode { get; set; }[XafDisplayName("联系电话")]string ContactNumber { get; set; }[XafDisplayName("子部门")]IList<Department> ChildrenDepartment { get; }[XafDisplayName("父部门")]Department ParentDepartment { get; set; }}[DomainLogic(typeof(Department))]public class Department_Logic{public static string Get_Name(Department instance){return instance.DepartmentName;}public static Department Get_Parent(Department instance){return instance.ParentDepartment;}public static IBindingList Get_Children(Department instance){return new BindingList<Department>(instance.ChildrenDepartment);}}
}