c 2005 from novice to professional

... Data Sources window displaysthe data sources for the current startup project 5. Click the check that appears to the right of Customers node (if there’s no check,click the Customers node to make ... ControlBindingsCollectionobject, which is a collection of Bindingobjects, each of which you can add to the collection with its Addmethod A bound control can have a collection of bindings, each associated with a different ... too.Close the window and rerun the project to prove this 9. Put Customersback the way it was by changing WOLZA’s city back to Warszawaanddeleting customer zzz Click Save Data to propagate the changes

Ngày tải lên: 09/08/2014, 14:20

... e.employeeidinner join customers con o.customerid = c.customeridThe result of the first join, which matches orders to employees, is matched against matching row from the first join Since referential ... the select o.orderid OrderID,c.companyname CustomerName,e.lastname Employeefrom orders oinner joinemployees eon o.employeeid = e.employeeidinner join customers con o.customerid = c.customerid ... add aliases for each column in the select list This produces more customized column headings It has no effect on the rest of the query: select o.orderid OrderID,o.customerid CustomerID,e.lastname

Ngày tải lên: 09/08/2014, 14:20

... stack trace for the exception.Without this specific catchclause, the generic catchclause would have handled theexception (Try commenting out this catchclause and reexecuting the code to seewhich ... money from a checkingaccount to a savings account This involves two operations: deducting money from the checking account and adding it to the savings account Both must succeed together and be committed ... "); // Create commandSqlCommand cmd = conn.CreateCommand(); // Specify that a stored procedure to be executedcmd.CommandType = CommandType.StoredProcedure; cmd.CommandText = "sp_DbException_1";

Ngày tải lên: 09/08/2014, 14:20

... SqlCommand cmd = new SqlCommand(); cmd.CommandText = "SELECT TOP 1 CustomerId, CompanyName FROM Customers"; cmd.Connection = conn; try { listBox1.Items.Clear(); // open connection conn.Open(); ... the click event handler for the fourth button. Listing 15-9. button4_Click() // create connection SqlConnection conn = new SqlConnection(@" data source = .\sqlexpress; integrated security ... StateChange event to two handlers conn.StateChange += new StateChangeEventHandler(ConnStateChange); conn.StateChange += new StateChangeEventHandler(ConnStateChange2); // create command SqlCommand

Ngày tải lên: 09/08/2014, 14:20

... contextDataContext db = new DataContext(connString);// create typed tableTable<Customers> customers = db.GetTable<Customers>(); // query databasevar custs =from c in customersselect c ; ... customersselect c ; // display customersforeach (var c in custs)Console.WriteLine( "{0} {1} {2} {3}",c.customerId,c.companyName,c.city,c.country); }}} 2. Run the program with Ctrl+F5 and you should ... 468 Trang 27public class Customerand then you’d have to change the typed table definition to Table<Customer> customers = db.GetTable<Customer>(); to be consistent The [Column]attribute

Ngày tải lên: 09/08/2014, 14:20

... 197 Connection String Parameters for SqlConnection 197 Connection Pooling 199 Improving Your Use of Connection Objects 199 Using the Connection String in the Connection Constructor ... Renow-Clarke, Dominic Shakeshaft, Matt Wade, Tom Welsh Project Manager: Beth Christmas Copy Editor: Ami Knox Associate Production Director: Kari Brooks-Copony Production Editor: Ellie Fountain Compositor: ... print for content only—size & color not accurate spine = 0.9682" 512 page countBeginning C# 2008 Databases: From Novice to Professional Dear Reader, This book focuses on accessing databases

Ngày tải lên: 08/08/2014, 18:21

... Works listed in the CardType column of the CreditCard table Select CardType, ExpYear,count(CardType) AS 'Total Cards' from Sales.CreditCard WHEREcondition ensures that the cards listed will be ... complete process from conception to implementa-tion The entire development and implementation process of this cycle can be divided into small phases; only after the completion of each phase can you ... take many orders, which were placed bymany customers The products ordered may come from different suppliers, and chancesare that each supplier can supply more than one product All of these relationships

Ngày tải lên: 08/08/2014, 18:21

... LastName columns Trang 2Figure 5-3.Selecting specific columnsUsing the WHERE Clause Queries can have WHEREclauses The WHEREclause allows you to specify criteria for ing rows This clause can be complex, ... Characters Wildcard Description % Any combination of characters Where FirstName LIKE 'Mc%' selects all rows where the FirstName column equals McDonald, McBadden, McMercy, and so on. _ Any one character ... table containing or not containing the result set returned by a SELECTquery SELECT INTOcopies the exact table structure and data into another table specified in the INTOclause Usually, a SELECTquery

Ngày tải lên: 08/08/2014, 18:21

... savings account. This involves two operations: deducting money from the checking account and adding it to the savings account. Both must succeed together and be committed to the accounts, or ... directive to Transaction.cs using System.Data.SqlClient; 6 Next you want to add a click event for the button Double-click button1, and it will open the code editor with the button1_click event ... Insert the code in Listing 8-2 into the code editor Listing 8-2 button1_Click()... transaction to both add a customer to and delete one from the Northwind Customers table The Customers table

Ngày tải lên: 08/08/2014, 18:21

... String in the Connection Constructor In the ConnectionSql project, you created the connection and specified the connection string in separate steps Since you always have to specify a connection string, ... Add a C# Console Application project named ConnectionDisplay to the Chapter10solution 2. Rename Program.csto ConnectionDisplay.cs When prompted to rename all ences to Program, you can click either ... "; Trang 13// create connectionSqlConnection conn = new SqlConnection(connString);try {// open connectionconn.Open(); Console.WriteLine("Connection opened."); }catch (SqlException e) {//

Ngày tải lên: 08/08/2014, 18:21

... selectcompanyname,contactnamefrom customerswherecontactname like 'M%' "; // create connectionSqlConnection conn = new SqlConnection(connString); Trang 11try{// open connectionconn.Open();// create ... @"selectproductname,unitprice,unitsinstock,discontinuedfrom products "; // create connectionSqlConnection conn = new SqlConnection(connString);try {// open connectionconn.Open(); // create commandSqlCommand cmd = new SqlCommand(sql, ... selectcontactname,contacttitlefrom customerswherecontactname like 'M%' "; // create connectionSqlConnection conn = new SqlConnection(connString); try{conn.Open(); SqlCommand cmd = new SqlCommand(sql,

Ngày tải lên: 08/08/2014, 18:21

... specific connection object DbConnection conn = factory.CreateConnection(); // Set the connection string conn.ConnectionString = connectionString; // Create a database specific command object DbCommand ... generic DbConnection reference: // Obtain a database specific connection object DbConnection conn = factory.CreateConnection(); So, in practice, the connection object will actually contain a SqlCommand ... /// Class contains generic data access functionality to be accessed from /// the business tier /// public static class GenericDataAccess { // static constructor static GenericDataAccess()...

Ngày tải lên: 09/08/2014, 14:20

... loaded once by the static constructor of the class: public static class BalloonShopConfiguration { // Caches the connection string private readonly static string dbConnectionString; // Caches the ... 19, 2005 9:51 AM 124 CHAPTER ■ CREATING THE PRODUCT CATALOG: PART II SELECT ProductCategory.ProductID, ProductCategory.CategoryID, Product.Name FROM ProductCategory INNER JOIN Product ON Product.ProductID ... OnCatalogPromotion FROM Product INNER JOIN ProductCategory ON Product.ProductID = ProductCategory.ProductID INNER JOIN Category ON ProductCategory.CategoryID = Category.CategoryID WHERE Product.OnDepartmentPromotion...

Ngày tải lên: 09/08/2014, 14:20

... products to your customer On each payment, you need to carefully check that the product prices correspond to the correct amounts, because it’s very easy for anyone to add a fake product to the ... PayPal to redirect back to your web site after the customer completes or cancels a payment ■Caution You need to use the correct email address for the money to get into your account Press F5 to execute ... http://www.online-payment-processing.com • 2Checkout: http://www.2checkout.com • AnyPay: http://www.anypay.com • CCNow: http://www.ccnow.com • Electronic Transfer: http://www.electronictransfer.com • Moneybookers:...

Ngày tải lên: 09/08/2014, 14:20

... Product.ProductID = ProductCategory.ProductID WHERE ProductCategory.CategoryID = @CategoryID CreateProduct The CreateProduct stored procedure is called to create a new product and assign it to a category ... product from a category public static bool RemoveProductFromCategory(string productId, string categoryId) { // get a configured DbCommand object DbCommand comm = GenericDataAccess.CreateCommand(); ... Controls[0]).Checked.ToString(); string onCatalogPromotion = ((CheckBox)grid.Rows[e.RowIndex].Cells[7] Controls[0]).Checked.ToString(); // Execute the update command bool success = CatalogAccess.UpdateProduct(id,...

Ngày tải lên: 09/08/2014, 14:20

... CountOldCarts(byte days) { // get a configured DbCommand object DbCommand comm = GenericDataAccess.CreateCommand(); // set the stored procedure name comm.CommandText = "ShoppingCartCountOldCarts"; ... methods to the ShoppingCartAccess class (located in ShoppingCartAccess.cs) They are used to interact with the two stored procedures you wrote earlier // Counts old shopping carts public static int CountOldCarts(byte ... ShoppingCartCountOldCarts call: CREATE PROCEDURE ShoppingCartCountOldCarts (@Days smallint) AS SELECT COUNT(CartID) FROM ShoppingCart WHERE CartID IN (SELECT CartID FROM ShoppingCart GROUP BY CartID HAVING...

Ngày tải lên: 09/08/2014, 14:20

... get encryptor and encryption stream DESCryptoServiceProvider encryptor = new DESCryptoServiceProvider(); CryptoStream encryptionStream = new CryptoStream(tempStream, encryptor.CreateEncryptor(key, ... to the SecurityLib directory called SecureCardException.cs with code as follows: using System; namespace SecurityLib { public class SecureCardException : Exception { public SecureCardException(string ... decryptor and decryption stream DESCryptoServiceProvider decryptor = new DESCryptoServiceProvider(); CryptoStream decryptionStream = new CryptoStream(tempStream, decryptor.CreateDecryptor(key,...

Ngày tải lên: 09/08/2014, 14:20

... { SecureCard secureCard = new SecureCard(profile.CreditCard); creditCard = secureCard.CardNumberX; creditCardHolder = secureCard.CardHolder; creditCardNumber = secureCard.CardNumber; creditCardIssueDate ... creditCardIssueDate = secureCard.IssueDate; creditCardIssueNumber = secureCard.IssueNumber; creditCardExpiryDate = secureCard.ExpiryDate; creditCardType = secureCard.CardType; } catch { creditCard = "Not ... advanced To achieve this, add a new class called CommerceLibAccess to the App_Code directory You’ll actually store two other classes in the same file, as per code in previous chapters (excepting...

Ngày tải lên: 09/08/2014, 14:20

... OnClick="updateButton_Click" />

Ngày tải lên: 09/08/2014, 14:20

... Process(OrderProcessor processor) { // set processor reference orderProcessor = processor; // audit orderProcessor.CreateAudit("PSCheckFunds started.", 20100); try { // check customer funds via DataCash ... request.Transaction.TxnDetails.Amount.Currency = "GBP"; request.Transaction.CardTxn.Method = "pre"; request.Transaction.CardTxn.Card.CardNumber = orderProcessor.Order.CreditCard.CardNumber; request.Transaction.CardTxn.Card.ExpiryDate ... request.Transaction.HistoricTxn.Method = "fulfill"; request.Transaction.HistoricTxn.AuthCode = orderProcessor.Order.AuthCode; request.Transaction.HistoricTxn.Reference = orderProcessor.Order.Reference; // get DataCash...

Ngày tải lên: 09/08/2014, 14:20