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;
using System.Drawing.Printing;

namespace hospital
{
    public partial class mainMenu : Form
    {
        SqlConnection sqlConnection = null;
        string query = null;
        SqlDataAdapter dataAdapter = null;
        DataSet dataSet = null;
        public static string index;

        public mainMenu()
        {
            InitializeComponent();
        }

        private void mainMenu_FormClosed(object sender, FormClosedEventArgs e)
        {
            Application.Exit();
        }

        private void mainMenu_Load(object sender, EventArgs e)
        {
            try
            {
                query = $"select id_card as 'ID', Surname_Patient as 'Фамилия', Name_Patient as 'Имя', Midname_Patient as 'Отчество', Date_Birthday_Patient as 'Дата рождения', Telephone_Patient as 'Телефон', IIAN_Patient as 'СНИЛС', Passport_Number_Patient as 'Серия, номер паспорта', Passport_Date_Patient as 'Дата выдачи', Passport_Place_Patient as 'Кем выдан', Passport_Code_Patient as 'Код подразделения', Number_Policy_Patient as 'Номер полиса', Disability_Patient as 'Инвалидность', Name_Blood as 'Группа крови', Name_Factor as 'Резус-фактор' from Medical_Cards join Blood_Type on Blood_Type.ID_Blood = Medical_Cards.ID_Blood join Rh_Factor on Rh_Factor.ID_Factor = Medical_Cards.ID_Factor";
                FormCreating.openConnection(ref sqlConnection);
                dataAdapter = new SqlDataAdapter(query, sqlConnection);
                dataSet = new DataSet();
                dataAdapter.Fill(dataSet);
                dataGridView1.DataSource = dataSet.Tables[0];
                SqlCommand a = new SqlCommand($"select name_post from posts join employees on employees.id_post = posts.id_post where id_employee like {auth.userID}", sqlConnection);
                if (a.ExecuteScalar().ToString().Equals("Мед-сестра"))
                {
                    tabControl1.TabPages.Remove(tabPage2);
                    delete_medicalCard.Visible = false;
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {
                passwordFounded = false;
                switch (tabControl1.SelectedIndex)
                {
                    case 0:
                        query = $"select id_card as 'ID', Surname_Patient as 'Фамилия', Name_Patient as 'Имя', Midname_Patient as 'Отчество', Date_Birthday_Patient as 'Дата рождения', Telephone_Patient as 'Телефон', IIAN_Patient as 'СНИЛС', Passport_Number_Patient as 'Серия, номер паспорта', Passport_Date_Patient as 'Дата выдачи', Passport_Place_Patient as 'Кем выдан', Passport_Code_Patient as 'Код подразделения', Number_Policy_Patient as 'Номер полиса', Disability_Patient as 'Инвалидность', Name_Blood as 'Группа крови', Name_Factor as 'Резус-фактор' from Medical_Cards join Blood_Type on Blood_Type.ID_Blood = Medical_Cards.ID_Blood join Rh_Factor on Rh_Factor.ID_Factor = Medical_Cards.ID_Factor";
                        dataAdapter = new SqlDataAdapter(query, sqlConnection);
                        dataSet = new DataSet();
                        dataAdapter.Fill(dataSet);
                        dataGridView1.DataSource = dataSet.Tables[0];
                        debugAndTrace.writeInFile("Включена вкладка \"Медицинские карты\"");
                        break;
                    case 1:
                        query = $"select id_patientcard as 'ID', surname_patient + ' ' + Name_Patient + ' ' + Midname_Patient as 'ФИО пациента', Surname_Employee + ' ' + Name_Employee + ' ' + Midname_Employee as 'ФИО лечащего врача', Name_Disease as 'Заболевание', Name_Severity as 'Тяжесть', Number_Ward as 'Номер палаты' from patientcards join medical_cards on medical_cards.id_card = patientcards.id_card join Employees on Employees.ID_Employee = PatientCards.ID_Employee join Diseases on Diseases.ID_Disease = PatientCards.ID_Disease join Disease_Severity on Disease_Severity.ID_Severity = PatientCards.ID_Severity join Wards on Wards.ID_Ward = PatientCards.ID_Ward";
                        dataAdapter = new SqlDataAdapter(query, sqlConnection);
                        dataSet = new DataSet();
                        dataAdapter.Fill(dataSet);
                        dataGridView2.DataSource = dataSet.Tables[0];
                        debugAndTrace.writeInFile("Включена вкладка \"Карты пациентов\"");
                        break;
                    case 2:
                        costL.Text = "Общая стоимость: 0";
                        query = $"select id_drugs as 'ID', name_drugs as 'Лекарство', price_drugs as 'Цена' from drugs";
                        dataAdapter = new SqlDataAdapter(query, sqlConnection);
                        dataSet = new DataSet();
                        dataAdapter.Fill(dataSet);
                        dataGridView3.DataSource = dataSet.Tables[0];
                        debugAndTrace.writeInFile("Включена вкладка \"Лекарства\"");
                        break;
                    case 3:
                        if (!passwordFounded)
                        {
                            checkPasswordTB.Text = "";
                            panel1.Visible = true;
                        }
                        debugAndTrace.writeInFile("Включена вкладка \"Профиль\"");
                        SqlCommand a = new SqlCommand($"select surname_employee from employees where id_employee like '{auth.userID}'", sqlConnection);
                        newSuraname_employeeTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select name_employee from employees where id_employee like '{auth.userID}'", sqlConnection);
                        newName_employeeTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select midname_employee from employees where id_employee like N'{auth.userID}'", sqlConnection);
                        newMidname_employeeTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select name_gender from gender join employees on employees.id_gender = gender.id_gender where id_employee like {auth.userID}", sqlConnection);
                        genderTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select date_birthday_employee from employees where id_employee like '{auth.userID}'", sqlConnection);
                        DateTime date = DateTime.Parse(a.ExecuteScalar().ToString());
                        birthdateDTP.Text = $"{date.Day}.{date.Month}.{date.Year}";
                        a = new SqlCommand($"select telephone_employee from employees where id_employee like '{auth.userID}'", sqlConnection);
                        newTelephone_employeeMTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select passport_number_employee from employees where id_employee like {auth.userID}", sqlConnection);
                        passportNumberMTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select passport_place_employee from employees where id_employee like {auth.userID}", sqlConnection);
                        newPassport_place_employeeTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select passport_code_employee from employees where id_employee like {auth.userID}", sqlConnection);
                        passportCodeMTB.Text = a.ExecuteScalar().ToString();
                        a = new SqlCommand($"select passport_date_employee from employees where id_employee like {auth.userID}", sqlConnection);
                        passportDateDTP.Text = a.ExecuteScalar().ToString();
                        break;
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }

        }

        private void button3_Click(object sender, EventArgs e)
        {
            try
            {
                var res = MessageBox.Show("Вы уверены, что хотите удалить данные?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                if(res == DialogResult.Yes)
                {
                    string row = dataGridView1.Rows[dataGridView1.CurrentCell.RowIndex].Cells[0].Value.ToString();
                    SqlCommand a = new SqlCommand($"delete from medical_cards where id_card = {row}", sqlConnection);
                    a.ExecuteNonQuery();

                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView1.DataSource = dataSet.Tables[0];

                    debugAndTrace.writeInFile($"Удалена медицинская карта {row}");
                }
                else
                {
                    MessageBox.Show("Действие отменено", "Уведомление", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                index = dataGridView1.Rows[dataGridView1.CurrentCell.RowIndex].Cells[0].Value.ToString();
                updateMedCard update = new updateMedCard();
                update.Show();

                debugAndTrace.writeInFile($"Переход на форму изменения медицинской карты {index}");

                update.FormClosing += (obj, args) =>
                {
                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView1.DataSource = dataSet.Tables[0];
                };
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                insertMedCard insert = new insertMedCard();
                insert.Show();

                debugAndTrace.writeInFile("Переход на форму добавления медицинской карты");

                insert.FormClosing += (obj, args) =>
                {
                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView1.DataSource = dataSet.Tables[0];
                };
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void add_patientCard_Click(object sender, EventArgs e)
        {
            try
            {
                insertPatientCard insert = new insertPatientCard();
                insert.Show();

                debugAndTrace.writeInFile($"Переход на форму записи пациента в палату");

                insert.FormClosing += (obj, args) =>
                {
                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView2.DataSource = dataSet.Tables[0];
                };
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void delete_patientCard_Click(object sender, EventArgs e)
        {
            try
            {
                string row = dataGridView2.Rows[dataGridView2.CurrentCell.RowIndex].Cells[0].Value.ToString();
                SqlCommand a = new SqlCommand($"update wards set isfree = 1 where id_ward like (select id_ward from patientcards where id_patientcard like {row})", sqlConnection);
                a.ExecuteNonQuery();
                a = new SqlCommand($"update medical_cards set isill = 0 where id_card like (select id_card from patientcards where id_patientcard like {row})", sqlConnection);
                a.ExecuteNonQuery();
                a = new SqlCommand($"delete from patientcards where id_patientcard like {row}", sqlConnection);
                a.ExecuteNonQuery();
                dataAdapter = new SqlDataAdapter(query, sqlConnection);
                dataSet = new DataSet();
                dataAdapter.Fill(dataSet);
                dataGridView2.DataSource = dataSet.Tables[0];

                a = new SqlCommand($"select id_card from patientcards where id_patientcard like {row}", sqlConnection);

                debugAndTrace.writeInFile($"Пациент {row} выписан из палаты {a.ExecuteScalar()}");
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        bool passwordFounded = false;

        private void button1_Click_1(object sender, EventArgs e)
        {
            try
            {
                SqlCommand a = new SqlCommand($"select password from employees where id_employee like '{auth.userID}'", sqlConnection);
                Array.Resize(ref auth.data, 1);
                auth.data[0] = "Пароль: " + checkPasswordTB.Text.GetHashCode();
                if (checkPasswordTB.Text.GetHashCode().ToString().Equals(a.ExecuteScalar()))
                {
                    panel1.Visible = false;
                    passwordFounded = true;
                    debugAndTrace.writeInFile($"Удачный вход на панель редактирования пользователя {auth.userID}", auth.data);
                }
                else
                {
                    MessageBox.Show("Пароли не совпадают!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    debugAndTrace.writeInFile($"Неудачный вход на панель редактирования пользователя {auth.userID}", auth.data);
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void button2_Click_1(object sender, EventArgs e)//изменение данных пользователя
        {
            try
            {
                SqlCommand a = null;

                if (!String.IsNullOrEmpty(newLoginTB.Text))
                {
                    a = new SqlCommand($"select count(*) from employees where login like N'{newLoginTB.Text.GetHashCode()}'", sqlConnection);
                    MessageBox.Show(a.ExecuteScalar().ToString());
                    if (a.ExecuteScalar().ToString().Equals("0"))
                    {
                        Array.Resize(ref auth.data, auth.data.Length + 1);
                        auth.data[auth.data.Length - 1] = "Логин: " + newLoginTB.Text.GetHashCode().ToString();
                        a = new SqlCommand($"update employees set login = @login where id_employee like '{auth.userID}'", sqlConnection);
                        a.Parameters.AddWithValue("login", newLoginTB.Text.GetHashCode());
                        a.ExecuteNonQuery();
                    }
                }

                if (!String.IsNullOrEmpty(newPasswordTB.Text))
                {
                    Array.Resize(ref auth.data, auth.data.Length + 1);
                    auth.data[auth.data.Length - 1] = "Пароль: " + newPasswordTB.Text.GetHashCode().ToString();
                    a = new SqlCommand($"update employees set password = @password where id_employee like {auth.userID}", sqlConnection);
                    a.Parameters.AddWithValue("password", newPasswordTB.Text.GetHashCode());
                    a.ExecuteNonQuery();
                }

                DateTime date1 = DateTime.Parse(birthdateDTP.Text);
                DateTime date2 = DateTime.Parse(passportDateDTP.Text);
                a = new SqlCommand($"update employees set surname_employee = @surname_employee, name_employee = @name_employee, midname_employee = @midname_employee, date_birthday_employee = @date_birthday_employee, telephone_employee = @telephone_employee, passport_number_employee = @passport_number_employee, passport_date_employee = @passport_date_employee, passport_place_employee = @passport_place_employee, passport_code_employee = @passport_code_employee where id_employee like '{auth.userID}'", sqlConnection);

                a.Parameters.AddWithValue("surname_employee", newSuraname_employeeTB.Text);
                a.Parameters.AddWithValue("name_employee", newName_employeeTB.Text);
                a.Parameters.AddWithValue("midname_employee", newMidname_employeeTB.Text);
                a.Parameters.AddWithValue("date_birthday_employee", $"{date1.Day}/{date1.Month}/{date1.Year}");
                a.Parameters.AddWithValue("telephone_employee", newTelephone_employeeMTB.Text);
                a.Parameters.AddWithValue("passport_number_employee", passportNumberMTB.Text);
                a.Parameters.AddWithValue("passport_date_employee", $"{date2.Day}/{date2.Month}/{date2.Year}");
                a.Parameters.AddWithValue("passport_place_employee", newPassport_place_employeeTB.Text);
                a.Parameters.AddWithValue("passport_code_employee", passportCodeMTB.Text);

                Array.Resize(ref auth.data, 9);
                auth.data[0] = $"Фамилия: " + newSuraname_employeeTB.Text;
                auth.data[1] = $"Имя: " + newName_employeeTB.Text;
                auth.data[2] = $"Отчетсво: " + newMidname_employeeTB.Text;
                auth.data[3] = $"Дата рождения: " + $"{date1.Month}/{date1.Day}/{date1.Year}";
                auth.data[4] = $"Телефон: " + newTelephone_employeeMTB.Text;
                auth.data[5] = $"Серия и номер паспорта: " + passportNumberMTB.Text;
                auth.data[6] = $"Дата выдачи паспорта: " + $"{date2.Month}/{date2.Day}/{date2.Year}";
                auth.data[7] = $"Кем выдан: " + newPassport_place_employeeTB.Text;
                auth.data[8] = $"Код подразделения: " + passportCodeMTB.Text;

                if(a.ExecuteNonQuery() == 1)
                {
                    MessageBox.Show($"Данные успешно изменены", "Уведомление", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    debugAndTrace.writeInFile($"Редактирование данных пользователя {auth.userID}", auth.data);
                }
                else
                {
                    MessageBox.Show("Произошла ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    debugAndTrace.writeInFile("Ошибка добавления данных", auth.data);
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        string[][] recipe = new string[0][];

        private void updateRecipe()
        {
            try
            {
                dataGridView4.Columns.Clear();
                dataGridView4.Columns.Add("first", "Название");
                dataGridView4.Columns.Add("second", "Количество");
                dataGridView4.Columns.Add("third", "Сумма");
                dataGridView4.Rows.Clear();
                for (int l = 0; l < recipe.Length; l++)
                {
                    dataGridView4.Rows.Add();
                    for (int i = 0; i < recipe[l].Length; i++)
                    {
                        dataGridView4.Rows[l].Cells[i].Value = recipe[l][i];
                    }
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        int sum = 0;

        private void addDrugBTN_Click(object sender, EventArgs e)
        {
            try
            {
                Array.Resize(ref auth.data, 4);
                Array.Resize(ref recipe, recipe.Length + 1);
                recipe[recipe.Length - 1] = new string[3];
                string drugRow = dataGridView3.Rows[dataGridView3.CurrentCell.RowIndex].Cells[0].Value.ToString();
                SqlCommand a = new SqlCommand($"select name_drugs, price_drugs from drugs where id_drugs like '{drugRow}'", sqlConnection);
                SqlDataReader reader = a.ExecuteReader();
                reader.Read();
                recipe[recipe.Length - 1][0] = reader.GetString(0);
                recipe[recipe.Length - 1][1] = amountDrug.Value.ToString();
                recipe[recipe.Length - 1][2] = (reader.GetInt32(1) * (int)amountDrug.Value).ToString();
                sum += reader.GetInt32(1) * (int)amountDrug.Value;
                auth.data[0] = $"Название добавленного лекарства: {reader.GetString(0)}";
                auth.data[1] = $"Количество добавленного лекарства: {amountDrug.Value}";
                auth.data[2] = $"Цена добавленного лекарства: {(reader.GetInt32(1) * (int)amountDrug.Value).ToString()}";
                auth.data[3] = $"Общая стоимость: {sum}";
                reader.Close();

                updateRecipe();
                costL.Text = $"Общая стоимость: {sum}";

                debugAndTrace.writeInFile($"Добавление лекарства {drugRow} в рецепт", auth.data);
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void clearBTN_Click(object sender, EventArgs e)
        {
            try
            {
                Array.Resize(ref recipe, 0);
                updateRecipe();

                debugAndTrace.writeInFile("Очистка рецепта");
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void button3_Click_1(object sender, EventArgs e)
        {
            try
            {
                insertDrug insert = new insertDrug();
                insert.Show();

                debugAndTrace.writeInFile("Переход на форму добавления лекарства");

                insert.FormClosing += (obj, args) =>
                {
                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView3.DataSource = dataSet.Tables[0];
                };
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void button3_Click_2(object sender, EventArgs e)
        {
            try
            {
                index = dataGridView3.Rows[dataGridView3.CurrentCell.RowIndex].Cells[0].Value.ToString();
                updateDrug update = new updateDrug();
                update.Show();

                debugAndTrace.writeInFile("Переход на форму изменения лекарства");

                update.FormClosing += (obj, args) =>
                {
                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView3.DataSource = dataSet.Tables[0];
                };
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void deleteDrugsBTN_Click(object sender, EventArgs e)
        {
            try
            {
                var res = MessageBox.Show("Вы уверены, что хотите удалить данные?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                if (res == DialogResult.Yes)
                {
                    string row = dataGridView3.Rows[dataGridView3.CurrentCell.RowIndex].Cells[0].Value.ToString();
                    SqlCommand a = new SqlCommand($"delete from drugs where id_drugs = {row}", sqlConnection);
                    a.ExecuteNonQuery();

                    dataAdapter = new SqlDataAdapter(query, sqlConnection);
                    dataSet = new DataSet();
                    dataAdapter.Fill(dataSet);
                    dataGridView3.DataSource = dataSet.Tables[0];

                    debugAndTrace.writeInFile($"Удалено лекарство {row}");
                }
                else
                {
                    MessageBox.Show("Действие отменено", "Уведомление", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch
            {
                MessageBox.Show("Произошла непредваиденная ошибка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                debugAndTrace.writeInFile("ERROR");
            }
        }

        private void label9_Click(object sender, EventArgs e)
        {

        }

        string header = "Рецепт", text = "";

        private void print_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < recipe.Length; i++)
            {
                for (int j = 0; j < recipe[i].Length; j++)
                {
                    if(j == recipe[i].Length - 1)
                    {
                        text += $"{recipe[i][j]}.";
                    }
                    else
                    {
                        text += $"{recipe[i][j]},";
                    }
                }
                text += "\n";
            }

            PrintDocument doc = new PrintDocument();
            doc.PrintPage += PrintPageHandler;
            PrintDialog dial = new PrintDialog();
            dial.Document = doc;
            if (dial.ShowDialog() == DialogResult.OK)
            {
                dial.Document.Print();
            }
        }

        void PrintPageHandler(object sender, PrintPageEventArgs e)
        {
            e.Graphics.DrawString(header, new Font("Times New Roman", 18), Brushes.Black, 240, 30);
            e.Graphics.DrawString(text, new Font("Times New Roman", 14), Brushes.Black, 10, 100);
        }
    }
}