ucMedicineValidityCheck.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 Pharmacy_Management_Sysytem.BusinessLogic;
using Pharmacy_Management_Sysytem.Services;

namespace Pharmacy_Management_Sysytem
{
    public partial class ucMedicineValidityCheck : UserControl
    {
        private readonly IMedicineService _medicineService;

        public ucMedicineValidityCheck()
        {
            InitializeComponent();
            _medicineService = Program.Services.MedicineService;
        }
        
        void LoadMedicineData()
        {
            try
            {
                var result = comboBoxMedicineDate.SelectedIndex == 0 
                    ? _medicineService.GetValidMedicines()
                    : _medicineService.GetExpiredMedicines();
                
                if (result.IsSuccess)
                {
                    dataGridView1.DataSource = result.Data;
                }
                else
                {
                    MessageBox.Show($"Error loading medicine data: {result.ErrorMessage}", "Error", 
                                  MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Error loading medicine data: {ex.Message}", "Error", 
                              MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void comboBoxMedicineDate_SelectedIndexChanged(object sender, EventArgs e)
        {
            LoadMedicineData();
        }
    }
}