private async Task GetStartedDemo()
        {
            using (var client = new DocumentClient(new Uri(EndpointUrl), PrimaryKey))
            {
                Database database = client.CreateDatabaseQuery().Where(db => db.Id == "WinoDB").AsEnumerable().FirstOrDefault();
                if (database == null)
                {
                    database = await client.CreateDatabaseAsync(
                        new Database
                    {
                        Id = "WinoDB"
                    });
                }

                DocumentCollection documentCollection = client.CreateDocumentCollectionQuery(database.CollectionsLink).Where(c => c.Id == "WinoDB").AsEnumerable().FirstOrDefault();
                if (documentCollection == null)
                {
                    documentCollection = await client.CreateDocumentCollectionAsync(database.CollectionsLink,
                                                                                    new DocumentCollection { Id = "WinoDB" },
                                                                                    new RequestOptions { OfferType = "S1" });
                }

                Document document = client.CreateDocumentQuery(documentCollection.DocumentsLink).Where(d => d.Id == "1").AsEnumerable().FirstOrDefault();

                if (document == null)
                {
                    Drinkz tyskie = new Drinkz
                    {
                        Id        = "1",
                        Name      = "Tyskie klasyczne",
                        Type      = "Piwo",
                        Companies = new Company
                        {
                            Name        = "Tyskie",
                            Description = "Tyskie to obiekt pożądania austro-węgierskich szwarccharakterów",
                            Addresses   = new Address
                            {
                                Country    = "Polska",
                                City       = "Tychy",
                                Street     = "Wojska Polskiego",
                                Number     = 12,
                                PostalCode = "43-100"
                            }
                        },
                        Ingredients = new Ingredient[] {
                            new Ingredient
                            {
                                Name        = "Woda",
                                Description = "świeża woda"
                            },
                            new Ingredient
                            {
                                Name    = "Alkohol",
                                Percent = 4
                            },
                            new Ingredient
                            {
                                Name        = "Słody jęczmienne",
                                Description = "najlepsze słody jęczmienne"
                            },
                            new Ingredient
                            {
                                Name        = "Wyciąg z szyszki",
                                Description = "wyciąg z sosnowych szyszek"
                            }
                        },
                        Price   = 2.4,
                        Quality = "Wysoka"
                    };

                    await client.CreateDocumentAsync(documentCollection.DocumentsLink, tyskie);
                }
            }
        }
        public async void AddDrink()
        {
            this.client = new DocumentClient(new Uri(EndpointUrl), PrimaryKey);
            Database           database           = client.CreateDatabaseQuery().Where(db => db.Id == "WinoDB").AsEnumerable().FirstOrDefault();
            DocumentCollection documentCollection = client.CreateDocumentCollectionQuery(database.CollectionsLink).Where(c => c.Id == "WinoDB").AsEnumerable().FirstOrDefault();

            var drinks = client.CreateDocumentQuery(documentCollection.DocumentsLink,
                                                    "SELECT * from Drinks f");
            int ID = 1;

            foreach (var drink in drinks)
            {
                ID++;
            }

            string id = ID.ToString();

            Ingredient[] Ing = new Ingredient[ingAmount];
            int          per1, per2, per3, per4;

            if (perc1.Text != "")
            {
                per1 = Convert.ToInt32(perc1.Text);
            }
            else
            {
                per1 = 0;
            }

            Ing[0] = new Ingredient
            {
                Name        = ingname1.Text,
                Description = ingdesc1.Text,
                Percent     = per1
            };
            if (Ing.Length > 1)
            {
                if (textBox4.Text != "")
                {
                    per2 = Convert.ToInt32(textBox4.Text);
                }
                else
                {
                    per2 = 0;
                }

                Ing[1] = new Ingredient
                {
                    Name        = textBox5.Text,
                    Description = richTextBox1.Text,
                    Percent     = per2
                };
                if (Ing.Length > 2)
                {
                    if (textBox6.Text != "")
                    {
                        per3 = Convert.ToInt32(textBox6.Text);
                    }
                    else
                    {
                        per3 = 0;
                    }

                    Ing[2] = new Ingredient
                    {
                        Name        = textBox7.Text,
                        Description = richTextBox2.Text,
                        Percent     = per3
                    };
                    if (Ing.Length == 4)
                    {
                        if (textBox8.Text != "")
                        {
                            per4 = Convert.ToInt32(textBox8.Text);
                        }
                        else
                        {
                            per4 = 0;
                        }

                        Ing[3] = new Ingredient
                        {
                            Name        = textBox9.Text,
                            Description = richTextBox3.Text,
                            Percent     = per4
                        };
                    }
                }
            }

            int nr;

            if (housenr.Text != "")
            {
                nr = Convert.ToInt32(housenr.Text);
            }
            else
            {
                nr = 0;
            }

            Address Addr = new Address
            {
                Country    = country.Text,
                City       = city.Text,
                Street     = street.Text,
                Number     = nr,
                PostalCode = pcode.Text
            };

            Company Comp = new Company
            {
                Name        = compname.Text,
                Description = desc.Text,
                Addresses   = Addr
            };


            Drinkz d1 = new Drinkz
            {
                Id          = id,
                Name        = name.Text,
                Type        = type.Text,
                Companies   = Comp,
                Ingredients = Ing,
                Price       = Convert.ToDouble(textBox3.Text),
                Quality     = textBox2.Text
            };

            await client.CreateDocumentAsync(documentCollection.DocumentsLink, d1);
        }
        public async void EditDrink()
        {
            this.client = new DocumentClient(new Uri(EndpointUrl), PrimaryKey);
            Database           database           = client.CreateDatabaseQuery().Where(db => db.Id == "WinoDB").AsEnumerable().FirstOrDefault();
            DocumentCollection documentCollection = client.CreateDocumentCollectionQuery(database.CollectionsLink).Where(c => c.Id == "WinoDB").AsEnumerable().FirstOrDefault();
            string             id = textBox11.Text;

            Ingredient[] Ing = new Ingredient[ingAmount];
            int          per1, per2, per3, per4;

            if (textBox28.Text != "")
            {
                per1 = Convert.ToInt32(textBox28.Text);
            }
            else
            {
                per1 = 0;
            }

            Ing[0] = new Ingredient
            {
                Name        = textBox29.Text,
                Description = richTextBox8.Text,
                Percent     = per1
            };
            if (Ing.Length > 1)
            {
                if (textBox26.Text != "")
                {
                    per2 = Convert.ToInt32(textBox26.Text);
                }
                else
                {
                    per2 = 0;
                }

                Ing[1] = new Ingredient
                {
                    Name        = textBox27.Text,
                    Description = richTextBox7.Text,
                    Percent     = per2
                };
                if (Ing.Length > 2)
                {
                    if (textBox24.Text != "")
                    {
                        per3 = Convert.ToInt32(textBox24.Text);
                    }
                    else
                    {
                        per3 = 0;
                    }

                    Ing[2] = new Ingredient
                    {
                        Name        = textBox25.Text,
                        Description = richTextBox6.Text,
                        Percent     = per3
                    };
                    if (Ing.Length == 4)
                    {
                        if (textBox22.Text != "")
                        {
                            per4 = Convert.ToInt32(textBox22.Text);
                        }
                        else
                        {
                            per4 = 0;
                        }

                        Ing[3] = new Ingredient
                        {
                            Name        = textBox23.Text,
                            Description = richTextBox5.Text,
                            Percent     = per4
                        };
                    }
                }
            }

            int nr;

            if (textBox18.Text != "")
            {
                nr = Convert.ToInt32(textBox18.Text);
            }
            else
            {
                nr = 0;
            }

            Address Addr = new Address
            {
                Country    = textBox15.Text,
                City       = textBox16.Text,
                Street     = textBox17.Text,
                Number     = nr,
                PostalCode = textBox19.Text
            };

            Company Comp = new Company
            {
                Name        = textBox14.Text,
                Description = richTextBox4.Text,
                Addresses   = Addr
            };


            Drinkz d1 = new Drinkz
            {
                Id          = id,
                Name        = textBox12.Text,
                Type        = textBox13.Text,
                Companies   = Comp,
                Ingredients = Ing,
                Price       = Convert.ToDouble(textBox20.Text),
                Quality     = textBox21.Text
            };

            var uri = UriFactory.CreateDocumentUri("WinoDB", "WinoDB", id);
            await client.ReplaceDocumentAsync(uri, d1);
        }