private void ButtonTimetable_Clic object sender EventArgs int Int32 Pa

private void ButtonTimetable_Click(object sender, EventArgs e)
        {
            int x = Int32.Parse(iD_EmployeeTextBox1.Text);
            string sqlSelect = "";
 SqlConnection connection = new SqlConnection(Properties.Settings.Default.beauty_saloon_MarigoldConnectionString);
            SqlCommand command = connection.CreateCommand();
            if (String.IsNullOrEmpty(iD_EmployeeTextBox1.Text))
            {
                MessageBox.Show("Обязательно укажите ID необходимого сотрудника.", "Внимание", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            else
            {
                if (radioButton1.Checked)
                {
                    DateTime newdate = new DateTime();
                    newdate = DateTime.Now.AddDays(-30);
                    sqlSelect = @"Select A.ID_Timetable AS 'ID раписания', A.[Date] AS Дата, A.[Time] AS Время , A.ID_Employee AS 'ID сотрудника', C.Name_service AS Услуга, C.Duration_service AS 'Продолжительность услуги'
                               FROM Timetable A , Employees B, [Services] C
                                Where A.ID_Employee = B.ID_Employee AND
                                A.ID_Service = C.ID_Service AND
                                A.Service_done = 'да' AND
                                A.ID_Employee =  @ID AND
                                A.[Date] >= @TME";
                    command.CommandText = sqlSelect;
                    command.Parameters.AddWithValue("@ID", x);
                    command.Parameters.AddWithValue("@TME", newdate);
                }
                else if (radioButton3.Checked)
                {
                    DateTime newdate = new DateTime();
                    newdate = dateTimePicker1.Value;
                    sqlSelect = @"Select A.ID_Timetable AS 'ID раписания', A.[Date] AS Дата, A.ID_Employee AS 'ID сотрудника', A.[Time] AS Время , C.Name_service AS Услуга, C.Duration_service AS 'Продолжительность услуги'
                               FROM Timetable A , Employees B, [Services] C
                                Where A.ID_Employee = B.ID_Employee AND
                                A.ID_Service = C.ID_Service AND
                                A.Service_done = 'да' AND
                                A.ID_Employee =  @ID AND
                                A.[Date] >= @TME";
                    command.CommandText = sqlSelect;
                    command.Parameters.AddWithValue("@ID", x);
                    command.Parameters.AddWithValue("@TME", newdate);
                }
                else
                {
                    sqlSelect = @"Select A.ID_Timetable AS 'ID раписания', A.[Date] AS Дата, A.ID_Employee AS 'ID сотрудника', A.[Time] AS Время , C.Name_service AS Услуга, C.Duration_service AS 'Продолжительность услуги'
                               FROM Timetable A , Employees B, [Services] C
                                Where A.ID_Employee = B.ID_Employee AND
                                A.ID_Service = C.ID_Service AND
                                A.Service_done = 'да' AND
                                A.ID_Employee =  @ID";
                    command.CommandText = sqlSelect;
                    command.Parameters.AddWithValue("@ID", x);
                }
            }
           
           // command.CommandText = sqlSelect;
           // command.Parameters.AddWithValue("@ID", x);
            SqlDataAdapter adapter = new SqlDataAdapter();
            adapter.SelectCommand = command;
            DataTable table = new DataTable();
            adapter.Fill(table);
            dataGridViewTimetable.DataSource = table;
            if (table.Rows.Count == 0)
            {
                MessageBox.Show("Нет значений!", "Информация", MessageBoxButtons.OK, MessageBoxIcon.Information);
                //empty = true;
            }
            else empty = false;
        }

        private void ButtonEmployee_Click(object sender, EventArgs e)
        {
            int id = -1;
            if (((DataRowView)salaryBindingSource.Current)["ID_Employee"].ToString() != "")
            {
                id = (int)(((DataRowView)salaryBindingSource.Current)["ID_Employee"]);
            }
           // id = FormEmployee.fd.ShowSelectForm(id);
            try
            {
                id = FormEmployee.fd.ShowSelectForm(id);
                if (id >= 0)
                {
                   // MessageBox.Show(id.ToString());
                    ((DataRowView)salaryBindingSource.Current)["ID_Employee"] = id;
                    salaryBindingSource.EndEdit();
                    standard_salaryTextBox1.Focus();
                }
                if (!(String.IsNullOrEmpty(iD_EmployeeTextBox1.Text)))
                FIO();
            }
            catch (Exception err)
            {
                MessageBox.Show("Информация о данном сотруднике уже имеется в базе. Выберете другого", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            /*    if (id >= 0)
                {
                    MessageBox.Show(id.ToString());
                    ((DataRowView)salaryBindingSource.Current)["ID_Employee"] = id;
                    salaryBindingSource.EndEdit();
                    standard_salaryTextBox1.Focus();
                }*/
        }