using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using System.Xml.XPath;
using System.Xml.Linq;
namespace SampleProgram1
{
class Program
{
static void Main(string[] args)
{
string xml = @"<people>
<person><name>kumar</name><school>fes</school><parent>All</parent></person>
<person><name>manju</name><school>fes</school><parent>kumar</parent></person>
<person><name>anu</name><school>frank</school><parent>kumar</parent></person>
<person><name>anitha</name><school>jss</school><parent>All</parent></person>
<person><name>rohit</name><school>frank</school><parent>manju</parent></person>
<person><name>anill</name><school>vijaya</school><parent>manju</parent></person>
<person><name>vani</name><school>jss</school><parent>kumar</parent></person>
<person><name>soumya</name><school>jss</school><parent>kumar</parent></person>
<person><name>madhu</name><school>jss</school><parent>rohit</parent></person>
<person><name>shiva</name><school>jss</school><parent>rohit</parent></person>
<person><name>vanitha</name><school>jss</school><parent>anitha</parent></person>
<person><name>anu</name><school>jss</school><parent>anitha</parent></person>
</people>";
XDocument document = XDocument.Parse(xml);
var people = (from person in document.Descendants("person")
select new Person
{
Name = (string)person.Element("name"),
School = (string)person.Element("school"),
Parent = (string)person.Element("parent")
}).ToList();
var parents = people.Where(p => p.Parent == "All");
Action<Person> findChildren = null;
findChildren = person =>
{
List<Person> children = people.Where(p => p.Parent == person.Name).ToList();
person.Children = children;
foreach (Person p in children)
findChildren(p);
};
foreach (Person parent in parents)
{
findChildren(parent);
}
Action<Person, int> showChildren = null;
showChildren = (person, tabs) =>
{
//Console.WriteLine(new string('\t', tabs) + person.Name);
if (person.Children != null)
{
foreach (Person p in person.Children)
showChildren(p, tabs + 1);
}
};
foreach (Person parent in parents)
{
showChildren(parent, 0);
}
// Console.Read();
}
}
class Person
{
public string Name { get; set; }
public string School { get; set; }
public string Parent { get; set; }
public List<Person> Children { get; set; }
}
}
我的程序，我需要将输出放入列表，然后将列表绑定到gridview
任何人都可以通过语法帮助我实现这一目标吗？我正在使用c＃3.5。
一旦我创建了一个层次结构，那么需要根据层次结构
格式化这样的数据前：
namespace SilverlightApplication1
{
public class SampleProjectData
{
public static ObservableCollection<Product> GetSampleData()
{
DateTime dtS = DateTime.Now;
ObservableCollection<Product> teams = new ObservableCollection<Product>();
teams.Add(new Product() { PDName = "Product1", OverallStartTime = dtS, OverallEndTime = dtS + TimeSpan.FromDays(3), });
Project emp = new Project() { PName = "Project1", OverallStartTime = dtS + TimeSpan.FromDays(1), OverallEndTime = dtS + TimeSpan.FromDays(6) };
emp.Tasks.Add(new Task() { StartTime = dtS, EndTime = dtS + TimeSpan.FromDays(2), TaskName = "John's Task 3" });
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(3), EndTime = dtS + TimeSpan.FromDays(4), TaskName = "John's Task 2" });
teams[0].Projects.Add(emp);
emp = new Project() { PName = "Project2", OverallStartTime = dtS + TimeSpan.FromDays(1.5), OverallEndTime = dtS + TimeSpan.FromDays(5.5) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(1), EndTime = dtS + TimeSpan.FromDays(4), TaskName = "Victor's Task" });
teams[0].Projects.Add(emp);
emp = new Project() { PName = "Project3", OverallStartTime = dtS + TimeSpan.FromDays(2), OverallEndTime = dtS + TimeSpan.FromDays(5) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(1), EndTime = dtS + TimeSpan.FromDays(4), TaskName = "Jason's Task 1" });
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(7), EndTime = dtS + TimeSpan.FromDays(9), TaskName = "Jason's Task 2" });
teams[0].Projects.Add(emp);
teams.Add(new Product() { PDName = "Product2", OverallStartTime = dtS, OverallEndTime = dtS + TimeSpan.FromDays(3) });
emp = new Project() { PName = "Project4", OverallStartTime = dtS + TimeSpan.FromDays(0.5), OverallEndTime = dtS + TimeSpan.FromDays(3.5) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(1.5), EndTime = dtS + TimeSpan.FromDays(4), TaskName = "Vicky's Task" });
teams[1].Projects.Add(emp);
emp = new Project() { PName = "Project5", OverallStartTime = dtS + TimeSpan.FromDays(2), OverallEndTime = dtS + TimeSpan.FromDays(6) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(2.2), EndTime = dtS + TimeSpan.FromDays(3.8), TaskName = "Oleg's Task 1" });
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(5), EndTime = dtS + TimeSpan.FromDays(6), TaskName = "Oleg's Task 2" });
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(8), EndTime = dtS + TimeSpan.FromDays(9.6), TaskName = "Oleg's Task 3" });
teams[1].Projects.Add(emp);
emp = new Project() { PName = "Project6", OverallStartTime = dtS + TimeSpan.FromDays(2.5), OverallEndTime = dtS + TimeSpan.FromDays(4.5) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(0.8), EndTime = dtS + TimeSpan.FromDays(2), TaskName = "Kim's Task" });
teams[1].Projects.Add(emp);
teams.Add(new Product() { PDName = "Product3", OverallStartTime = dtS, OverallEndTime = dtS + TimeSpan.FromDays(3) });
emp = new Project() { PName = "Project7", OverallStartTime = dtS + TimeSpan.FromDays(5), OverallEndTime = dtS + TimeSpan.FromDays(7.5) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(1.5), EndTime = dtS + TimeSpan.FromDays(4), TaskName = "Balaji's Task 1" });
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(5), EndTime = dtS + TimeSpan.FromDays(8), TaskName = "Balaji's Task 2" });
teams[2].Projects.Add(emp);
emp = new Project() { PName = "Project8", OverallStartTime = dtS + TimeSpan.FromDays(3), OverallEndTime = dtS + TimeSpan.FromDays(6.3) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(1.75), EndTime = dtS + TimeSpan.FromDays(2.25), TaskName = "Li's Task" });
teams[2].Projects.Add(emp);
emp = new Project() { PName = "Project9", OverallStartTime = dtS + TimeSpan.FromDays(2), OverallEndTime = dtS + TimeSpan.FromDays(6) };
emp.Tasks.Add(new Task() { StartTime = dtS + TimeSpan.FromDays(2), EndTime = dtS + TimeSpan.FromDays(3), TaskName = "Stacy's Task" });
teams[2].Projects.Add(emp);
return teams;
}
}
public class Product : INotifyPropertyChanged
{
public Product()
{
this.Projects = new ObservableCollection<Project>();
}
public string PDName { get; set; }
public ObservableCollection<Project> Projects { get; set; }
private DateTime _st;
public DateTime OverallStartTime
{
get { return _st; }
set
{
if (this._st != value)
{
TimeSpan dur = this._et - this._st;
this._st = value;
this.OnPropertyChanged("OverallStartTime");
this.OverallEndTime = value + dur;
}
}
}
private DateTime _et;
public DateTime OverallEndTime
{
get { return _et; }
set
{
if (this._et != value)
{
this._et = value;
this.OnPropertyChanged("OverallEndTime");
}
}
}
#region INotifyPropertyChanged Members
protected void OnPropertyChanged(string name)
{
if (this.PropertyChanged != null)
this.PropertyChanged(this, new PropertyChangedEventArgs(name));
}
public event PropertyChangedEventHandler PropertyChanged;
#endregion
}
public class Project : INotifyPropertyChanged
{
public Project() { this.Tasks = new ObservableCollection<Task>(); }
public string PName { get; set; }
public ObservableCollection<Task> Tasks { get; set; }
DateTime _st;
public DateTime OverallStartTime
{
get { return _st; }
set
{
if (this._st != value)
{
TimeSpan dur = this._et - this._st;
this._st = value;
this.OnPropertyChanged("OverallStartTime");
this.OverallEndTime = value + dur;
}
}
}
DateTime _et;
public DateTime OverallEndTime
{
get { return _et; }
set
{
if (this._et != value)
{
this._et = value;
this.OnPropertyChanged("OverallEndTime");
}
}
}
#region INotifyPropertyChanged Members
protected void OnPropertyChanged(string name)
{
if (this.PropertyChanged != null)
this.PropertyChanged(this, new PropertyChangedEventArgs(name));
}
public event PropertyChangedEventHandler PropertyChanged;
#endregion
}
public class Task : INotifyPropertyChanged
{
public string TaskName { get; set; }
DateTime _st;
public DateTime StartTime
{
get { return _st; }
set
{
if (this._st != value)
{
TimeSpan dur = this._et - this._st;
this._st = value;
this.OnPropertyChanged("StartTime");
this.EndTime = value + dur;
}
}
}
private DateTime _et;
public DateTime EndTime
{
get { return _et; }
set
{
if (this._et != value)
{
this._et = value;
this.OnPropertyChanged("EndTime");
}
}
}
#region INotifyPropertyChanged Members
protected void OnPropertyChanged(string name)
{
if (this.PropertyChanged != null)
this.PropertyChanged(this, new PropertyChangedEventArgs(name));
}
public event PropertyChangedEventHandler PropertyChanged;
#endregion
}
}