using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Lab06
{
    public partial class Form1 : Form
    {
        private MyViewDataContext db;
        public Form1()
        {
            InitializeComponent();
            db = new MyViewDataContext();
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            var query_ex1 = from d in db.myViews select d;
            dataGridView1.DataSource = query_ex1;

            var query_ex2 = from s in db.myViews
                            group s by s.DeparmentName into g
                            select new { Department_Name = g.Key, Max_Salary = g.Max(s => s.Rate) };

                dataGridView2.DataSource = query_ex2;

                var query_ex3 = from s in db.myViews
                                group s by s.DeparmentName into g
                                let maxSalary=g.Max(a => a.Rate)
                                select new
                                {
                                    Department_Name = g.Key,
                                    Employee_Name = g.First(s => s.Rate == maxSalary).Name,
                                    Max_Salary = maxSalary
                                };

                                dataGridView3.DataSource = query_ex3;

                  var query_ex4 = from view in db.myViews
                                  join sales in db.SalesPersons
                                  on
                                   select new
                                {
                                    Employee_Name = view.Name,
                                };

                                dataGridView4.DataSource = query_ex4;
        }


        private void dataGridView2_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void dataGridView3_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void dataGridView4_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }
    }
}