LINQ: SkipWhile

CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
	static void Main(string[] args)
	{
		DisplayDataFromFile();
	}

	private static void DisplayDataFromFile()
	{
		var people = PersonDataService.GetPeople().SkipWhile(p => p.FirstName.Contains("p"));
		Console.WriteLine("PEOPLE READ FROM FILE:");
		foreach (var person in people)
		{
			Console.WriteLine($"First: {person.FirstName}");
			Console.WriteLine($"Last: {person.LastName}");
			Console.WriteLine($"Phone: {person.Phone}");
			Console.WriteLine($"Email: {person.EmailAddress}");
			Console.WriteLine(Environment.NewLine);
		}
	}
}

class PersonDataService
{
	public static List<PersonObj> GetPeople()
	{
		return new List<PersonObj>{new PersonObj{FirstName = "paul", LastName = "post", Phone = "(503) 393-3939", EmailAddress = "[email protected]"}, new PersonObj{FirstName = "mike", LastName = "sams", Phone = "(503) 434-3422", EmailAddress = "[email protected]"}};
	}
}

public class PersonObj
{
	public string FirstName
	{
		get;
		set;
	}

	public string LastName
	{
		get;
		set;
	}

	public string Phone
	{
		get;
		set;
	}

	public string EmailAddress
	{
		get;
		set;
	}
}

public static class PersonHelper
{
	/// <summary>
	/// Return object from collection by name.
	/// </summary>
	/// <param name = "query"></param>
	/// <param name = "name"></param>
	/// <returns></returns>
	public static IEnumerable<PersonObj> ByName(this IEnumerable<PersonObj> query, string name)
	{
		return query.Where(p => p.FirstName == name);
	}
}