تمرین جلسه 99

با سلام استاد, حدس میزنم یک چیزی پیدا کردم که دنبالش میگشتین. منظورم اینه: 

Barnamenevis.Net.RtlMessageBox.WindowsForms;

using Barnamenevis.Net.RtlMessageBox.WindowsForms;
using DataLayer.Context;
using DataLayer.Models;
using Microsoft.VisualBasic;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows;
using System.Windows.Forms;
using Tools.Convertor;
namespace BookKeeper.Books
{
    public partial class frmBookManagement : Form
    {
        BookKeeper_DB_Context bookKeeper = new();


        public frmBookManagement()
        {
            InitializeComponent();
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void frmBookManagement_Load(object sender, EventArgs e)
        {
            BindGrid();
        }

        #region Data Grid View Books
        void BindGrid()
        {
            dgvBooks.Rows.Clear();
            var book = bookKeeper.Books.ToList();
            foreach (var item in book)
            {
                dgvBooks.Rows.Add(item.Id,
                    item.Title,
                    item.Subject,
                    item.AuthorName,
                    item.Description,
                    item.Rating,
                    item.IsAvailable ? "موجود" : "ناموجود",
                    item.IsFavorite ? "⭐" : "-",
                    item.IsWishlist ? "📌" : "-",
                    item.AddedDate.ToShamsiDateOnly()
                    );
            }
        }
        #endregion

        private void btnAdd_Click(object sender, EventArgs e)
        {
            frmAddBook frmAddBook = new frmAddBook();
            frmAddBook.ShowDialog();
            if (frmAddBook.DialogResult == DialogResult.Yes)
            {
                BindGrid();
            }

        }

        private void btnDelete_Click(object sender, EventArgs e)
        {
            if (dgvBooks.CurrentRow != null)
            {
                string id = dgvBooks.CurrentRow.Cells[0].Value.ToString();
                string bookName = dgvBooks.CurrentRow.Cells[1].Value.ToString();
                string authotName = dgvBooks.CurrentRow.Cells[3].Value.ToString();

                if (bookName == "CAN'T HURT ME")
                {
                    RtlMessageBox.Show("نمیتوانید از خط را پاک کنید", "خطا", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Stop);
                }
                else
                {
                    int bookId = Convert.ToInt32(id);
                    string message = $"آیا مطمئنی میخوای کتاب : '{bookName}' از نویسنده : {authotName} را پاک کنی؟ ";
                    var result = RtlMessageBox.Show(message, "سوال", System.Windows.MessageBoxButton.YesNo, System.Windows.MessageBoxImage.Question);
                    if (result == MessageBoxResult.Yes)
                    {
                        var bookDelete = bookKeeper.Books.Single(b => b.Id == bookId);
                        bookKeeper.Books.Remove(bookDelete);
                        bookKeeper.SaveChanges();
                        BindGrid();

                    }

                }
            }
        }
    }


}