prelastconk/testkonkurs1/Form3.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace testkonkurs1
{
    public partial class Form3 : Form
    {
        public Form3()
        {
            InitializeComponent();
        }

        private void Form3_FormClosing(object sender, FormClosingEventArgs e)
        {
            Application.Exit();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string connString = "Data Source=DESKTOP-Q8BTJMH;Initial Catalog=Testkonkurs;Integrated Security=True";
            SqlConnection conn = new SqlConnection(connString);
            SqlCommand command = new SqlCommand("SELECT * FROM bronirovanie", conn);
            conn.Open();
            SqlDataReader Reader = null;

            try
            {
                dataGridView1.Rows.Clear();
                dataGridView1.Columns.Clear();
                DateTime date_1start = dateTimePicker1.Value;
                DateTime date_1end = date_1start.AddDays(Convert.ToInt32(textBox1.Text));
                Reader = command.ExecuteReader();

                if (comboBox1.SelectedItem.ToString() == "1-комнатный")
                {

                }

                int[] cod_mesta = new int[20];
                int[] nomer_comnat = new int[20];
                String[] lvl_comfort = new String[20];
                String[] price = new String[20];
                int i = 0;
                while (Reader.Read())
                {
                    DateTime date_2_start = Convert.ToDateTime(Reader["date_zaezda"]);
                    DateTime date_2_end = date_2_start.AddDays(Convert.ToInt16(Reader["kol_days"]));
                    // bool intersect = !(date_2_end < date_1start || date_2_start > date_1end);
                    bool intersect = date_2_end >= date_1start && date_2_start <= date_1end;
                    if (!intersect)
                    {
                        cod_mesta[i] = Convert.ToInt32(Reader["nomer_mesta"]);
                        i += 1;
                    }
                }
                Reader.Close();


                DataGridViewTextBoxColumn nomer_comnatColum = new DataGridViewTextBoxColumn();
                nomer_comnatColum.HeaderText = "номер комнаты";
                nomer_comnatColum.Name = "text";
                dataGridView1.Columns.AddRange(nomer_comnatColum);

                DataGridViewTextBoxColumn lvlcomfortColum = new DataGridViewTextBoxColumn();
                lvlcomfortColum.HeaderText = "Уровень комфорта";
                lvlcomfortColum.Name = "text";
                dataGridView1.Columns.AddRange(lvlcomfortColum);

                DataGridViewTextBoxColumn pricecolum = new DataGridViewTextBoxColumn();
                pricecolum.HeaderText = "цена проживания";
                pricecolum.Name = "text";
                dataGridView1.Columns.AddRange(pricecolum);

                for (int j = 0; j < 20; j++)
                {
                    if (cod_mesta[j] != 0)
                    {
                        SqlCommand takeMesta = new SqlCommand("SELECT * FROM mesto where cod_mesta = @nomer_mesta", conn);
                        takeMesta.Parameters.AddWithValue("@nomer_mesta", cod_mesta[j]);
                        SqlDataReader Mesta = takeMesta.ExecuteReader();
                        Mesta.Read();
                        nomer_comnat[j] = Convert.ToInt32(Mesta["nomer_comnat"]);
                        Mesta.Close();
                    }
                }

                for (int j = 0; j < 20; j++)
                {
                    if (nomer_comnat[j] != 0)
                    {
                        SqlCommand takeMesta = new SqlCommand("SELECT * FROM nomera where nomer_comnat = @nomer_mesta", conn);
                        takeMesta.Parameters.AddWithValue("@nomer_mesta", nomer_comnat[j]);
                        SqlDataReader Mesta = takeMesta.ExecuteReader();
                        Mesta.Read();

                        lvl_comfort[j] = Mesta["lvl_comfort"].ToString();
                        Mesta.Close();
                    }
                }
                    for (int j = 0; j < 20; j++)
                    {
                        if (lvl_comfort[j] != null)
                        {
                            SqlCommand takeMesta = new SqlCommand("SELECT * FROM comfort where [lvl-comfort] = @nomer_mesta", conn);
                            takeMesta.Parameters.AddWithValue("@nomer_mesta", lvl_comfort[j]);
                            SqlDataReader Mesta = takeMesta.ExecuteReader();
                            Mesta.Read();
                            price[j] = (Mesta["price_life"].ToString());
                            Mesta.Close();
                        }
                    }
                for (int j = 0; j < 20; j++)
                {
                    if (comboBox1.SelectedIndex == 0)
                    {
                        if (nomer_comnat[j] != 2)
                        {
                            dataGridView1.Rows.Add();
                            dataGridView1.Rows[j].Cells[0].Value = nomer_comnat[j];
                            dataGridView1.Rows[j].Cells[1].Value = lvl_comfort[j];
                            dataGridView1.Rows[j].Cells[2].Value = price[j];
                        }
                    }

                        if (comboBox1.SelectedIndex == 1)
                        {
                        if (nomer_comnat[j] != 0)
                        {
                            if (lvl_comfort[j].ToString() != "1-местный ")
                            {
                                dataGridView1.Rows.Add();
                                dataGridView1.Rows[j].Cells[0].Value = nomer_comnat[j];
                                dataGridView1.Rows[j].Cells[1].Value = lvl_comfort[j];
                                dataGridView1.Rows[j].Cells[2].Value = price[j];
                            }



                            if (comboBox1.SelectedIndex == 2)
                            {
                                if (nomer_comnat[j] != 0)
                                {
                                    if (lvl_comfort[j].ToString() != "2-местный ")
                                    {
                                        dataGridView1.Rows.Add();
                                        dataGridView1.Rows[j].Cells[0].Value = nomer_comnat[j];
                                        dataGridView1.Rows[j].Cells[1].Value = lvl_comfort[j];
                                        dataGridView1.Rows[j].Cells[2].Value = price[j];
                                    }


                                }
                            }
                        }
                    }

                    }



            }

            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString(), "", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
}

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
  
        }

        private void Form3_Load(object sender, EventArgs e)
        {
            // TODO: данная строка кода позволяет загрузить данные в таблицу "konkursDataSet.comfort". При необходимости она может быть перемещена или удалена.
            this.comfortTableAdapter.Fill(this.konkursDataSet.comfort);

        }

        private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
        {

        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
    }

    }