Exemple #1
0
        private void button3_Click_1(object sender, EventArgs e)
        {
            string name        = textBox1.Text;
            string description = textBox2.Text;

            string[] sagesIdSt = textBox8.Text.Split(',');

            int[] sagesId = Array.ConvertAll(sagesIdSt, s => int.Parse(s));


            // TODO: check arguments


            using (var cnt = new SageBookDbContext())
            {
                var sages = cnt.Sages.Where(s => sagesId.Contains(s.id));

                Book book = new Book()
                {
                    name = name, description = description,
                };
                foreach (var sage in sages)
                {
                    book.Sages.Add(sage);
                }

                cnt.Books.Add(book);
                cnt.SaveChanges();
            }
            loadBookRecords();
        }
Exemple #2
0
        private void button5_Click(object sender, EventArgs e)
        {
            if (dataGridView1.CurrentRow.Index != -1)
            {
                using (var cnt = new SageBookDbContext())
                {
                    int    id    = int.Parse(dataGridView1.CurrentRow.Cells["id"].Value.ToString());
                    var    sage  = cnt.Sages.Where(s => s.id == id);
                    string name  = textBox3.Text;
                    int    age   = Int32.Parse(textBox4.Text);
                    byte[] photo = Sage.ImageToByteArray(pictureBox1.Image);
                    string city  = textBox7.Text;

                    updateSageInfo(id, name, age, photo, city);

                    //var booksIds = cnt.Books.Where(b => b.Sages.);
                    //Sage sage = new Sage() { name = name, age = age, city = city, photo = Sage.ImageToByteArray(photo) };
                    var dbSage = cnt.Sages.First(b => b.id == id);
                    dbSage.name  = name;
                    dbSage.age   = age.ToString();
                    dbSage.photo = photo;
                    dbSage.city  = city;
                    //var sages = cnt.Sages.Where(s => sagesId.Contains(s.id)).ToList();
                    //dbBook.Sages = dbBook.Sages;
                    //dbBook.Sages = sages;

                    cnt.SaveChanges();
                }
            }

            loadSageRecords();
        }
Exemple #3
0
 private void button9_Click(object sender, EventArgs e)
 {
     if (dataGridView1.CurrentRow.Index != -1)
     {
         using (var cnt = new SageBookDbContext())
         {
             int id   = int.Parse(dataGridView1.CurrentRow.Cells["id"].Value.ToString());
             var book = cnt.Sages.First(s => s.id == id);
             cnt.Sages.Remove(book);
             cnt.SaveChanges();
         }
     }
     loadSageRecords();
 }
Exemple #4
0
 private void button8_Click(object sender, EventArgs e)
 {
     if (dataGridView2.CurrentRow.Index != -1)
     {
         using (var cnt = new SageBookDbContext())
         {
             int id   = int.Parse(dataGridView2.CurrentRow.Cells["id"].Value.ToString());
             var book = cnt.Books.First(b => b.id == id);
             //var entry = cnt.Entry(book);
             //if (entry.State == EntityState.Detached)
             //    cnt.Books.Attach(book);
             cnt.Books.Remove(book);
             cnt.SaveChanges();
         }
     }
     loadBookRecords();
 }
Exemple #5
0
        private void button4_Click(object sender, EventArgs e)
        {
            string name  = textBox3.Text;
            string age   = textBox4.Text;
            var    photo = pictureBox1.Image;
            string city  = textBox7.Text;

            // TODO: check arguments

            using (var cnt = new SageBookDbContext())
            {
                //var booksIds = cnt.Books.Where(b => b.Sages.);
                Sage sage = new Sage()
                {
                    name = name, age = age, city = city, photo = Sage.ImageToByteArray(photo)
                };

                cnt.Sages.Add(sage);
                cnt.SaveChanges();
            }
            loadSageRecords();
        }
Exemple #6
0
        private void button1_Click(object sender, EventArgs e)
        {
            int    id          = int.Parse(textBox5.Text.ToString());
            string name        = textBox1.Text;
            string description = textBox2.Text;

            string[] sagesIdSt = textBox8.Text.Split(',');
            int[]    sagesId   = Array.ConvertAll(sagesIdSt, s => int.Parse(s));

            using (var cnt = new SageBookDbContext())
            {
                var dbBook = cnt.Books.First(b => b.id == id);
                dbBook.name        = name;
                dbBook.description = description;
                var sages = cnt.Sages.Where(s => sagesId.Contains(s.id)).ToList();
                //dbBook.Sages = dbBook.Sages;
                //dbBook.Sages = sages;

                cnt.SaveChanges();
            }
            loadBookRecords();
        }
Exemple #7
0
        private void loadSageRecords()
        {
            using (var cnt = new SageBookDbContext())
            {
                var sages = cnt.Sages.ToList <Sage>();

                DataTable table = new DataTable("SageTable");
                // Declare variables for DataColumn and DataRow objects.
                DataColumn column;
                DataRow    row;

                // Create new DataColumn, set DataType,
                // ColumnName and add to DataTable.
                column            = new DataColumn();
                column.DataType   = Type.GetType("System.Int32");
                column.ColumnName = "id";
                column.ReadOnly   = true;
                column.Unique     = true;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.String");
                column.ColumnName = "name";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.Int32");
                column.ColumnName = "age";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = System.Type.GetType("System.Byte[]");
                column.ColumnName = "photo";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.String");
                column.ColumnName = "city";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.String");
                column.ColumnName = "books";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);


                foreach (var sage in sages)
                {
                    row          = table.NewRow();
                    row["id"]    = sage.id;
                    row["name"]  = sage.name;
                    row["age"]   = sage.age;
                    row["photo"] = sage.photo;
                    row["city"]  = sage.city;
                    row["books"] = booksIdToString(sage.Books);
                    table.Rows.Add(row);
                }
                dataGridView1.DataSource = table;

                //dataGridView1.DataSource = sages;
            }
        }
Exemple #8
0
        private void loadBookRecords()
        {
            using (var cnt = new SageBookDbContext())
            {
                var books = cnt.Books.ToList <Book>();

                List <object> booksFormated = new List <object>();


                DataTable table = new DataTable("BookTable");
                // Declare variables for DataColumn and DataRow objects.
                DataColumn column;
                DataRow    row;

                // Create new DataColumn, set DataType,
                // ColumnName and add to DataTable.
                column            = new DataColumn();
                column.DataType   = Type.GetType("System.Int32");
                column.ColumnName = "id";
                column.ReadOnly   = true;
                column.Unique     = true;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.String");
                column.ColumnName = "Name";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.String");
                column.ColumnName = "Description";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                column            = new DataColumn();
                column.DataType   = Type.GetType("System.String");
                column.ColumnName = "SageId";
                column.ReadOnly   = true;
                column.Unique     = false;
                // Add the Column to the DataColumnCollection.
                table.Columns.Add(column);

                foreach (var book in books)
                {
                    row                = table.NewRow();
                    row["id"]          = book.id;
                    row["Name"]        = book.name;
                    row["Description"] = book.description;
                    row["SageId"]      = sagesIdToString(book.Sages);
                    table.Rows.Add(row);
                }

                dataGridView2.DataSource = table;
            }
        }