create xml file in c from dataset

... using System.Configuration; using System.Text; using System.IO; using System .Xml; using System .Xml. Schema; using System.Data; values. The example loads all Categories from Northwind into ... xmlns:msdata="urn:schemas-microsoft-com :xml- msdata" xmlns:diffgr="urn:schemas-microsoft-com :xml- diffgram-v1"> <DataInstanceName> . . . </DataInstanceName> ... the <DataInstanceName> section. Elements in this section are matched to elements in the <DataInstanceName> section using the diffgr:id annotation with matching // Insert a row....

Ngày tải lên: 21/01/2014, 11:20

... c thể đ c file theo 3 c ch: - Đ c từng char: File. get(ch); - Đ c từng word: File& gt;>ch; - Đ c từng line: File. getline(ch,dimension); Bây giờ chúng ta sẽ "check" xem file c ... char ch; while(!OpenFile.eof()) { OpenFile.get(ch); cout << ch; } OpenFile.close(); } Chương trình này dùng c ch đ c từng ký tự (c n c c ch kh c là đ c từng từ (word) và đ c ... sẽ đ c một kí tự c a file và gán cho biến ch. Vòng lặp sẽ kết th c khi đến cuối file. Để vòng lặp “biết” đư c khi nào thì kết th c file thì, khi đ c file c một “con trỏ trong” (inside-pointer)....

Ngày tải lên: 29/07/2014, 17:21

... some real functionality in each of the three tiers in Chapter 3 when you start creating the web site’s product catalog. Choosing Technologies and Tools No matter which architecture is chosen, a ... disciplines, such as creating, accessing, and manipulating databases. Before we jump into that, however, we need to cover the business decisions that lead to the creation of an e-commerce site ... Credit Card Transactions The last thing you need to do before launching the e-commerce site is enable credit card processing. In this chapter, we’ll look at how you can build this into the pipeline...

Ngày tải lên: 09/08/2014, 14:20

... DbConnection conn = factory.CreateConnection(); // Set the connection string conn.ConnectionString = connectionString; // Create a database specific command object DbCommand comm = conn.CreateCommand(); ... connection object stored using the generic DbConnection reference: // Obtain a database specific connection object DbConnection conn = factory.CreateConnection(); So, in practice, the connection ... connection string right when creating the SqlConnection object: // Create the connection object and set the connection string SqlConnection connection = new SqlConnection(" connection string...

Ngày tải lên: 09/08/2014, 14:20

... aliases: SELECT p.ProductID, p.Name FROM ProductCategory pc INNER JOIN Product p ON p.ProductID = pc.ProductID WHERE pc.CategoryID = 5 Showing Products Page by Page In case certain web sections need ... products in the speci- fied category): CREATE PROCEDURE GetProductsInCategory (@CategoryID INT, @DescriptionLength INT, @PageNumber INT, @ProductsPerPage INT, @HowManyProducts INT OUTPUT) AS declare ... add it to CatalogAccess.cs. Add the DepartmentDetails class at the beginning of CatalogAccess.cs (but not inside the CatalogAccess class) like this: using System; using System.Data; using System.Data.Common; ///...

Ngày tải lên: 09/08/2014, 14:20

... passwords, which are defined in machine.config. By default, passwords require a minimum length of seven characters, including at least one nonalphanumeric character (that is, a symbol character such as ... such companies that Ive found helpful is http://www.online-payment-processing.com. ã 2Checkout: http://www.2checkout.com ã AnyPay: http://www.anypay.com ã CCNow: http://www.ccnow.com ã Electronic ... implement complete, working login/logout function- ality and apply security restrictions to the admin pages without writing a single line of code! Everything is as simple as combining some login controls...

Ngày tải lên: 09/08/2014, 14:20

... OnCatalogPromotion FROM Product INNER JOIN ProductCategory ON Product.ProductID = ProductCategory.ProductID WHERE ProductCategory.CategoryID = @CategoryID CreateProduct The CreateProduct stored procedure is called ... user interface functionality: GetAllProductsIncategory, CreateProduct, and UpdateProduct. The procedures are described in the following sections. GetAllProductsInCategory GetAllProductsInCategory ... ■ CATALOG ADMINISTRATION 281 // Create a new product public static bool CreateProduct(string categoryId, string name, string description, string price, string image1FileName, string image2FileName,...

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 12/08/2014, 01:21

Ngày tải lên: 12/08/2014, 15:21

Ngày tải lên: 14/08/2014, 14:21

... This code is really useful only for demonstrating the process of allocating, deallocating, and using a block in C. The malloc line allocates a block of memory of the size specified in this case, ... parameters in functions. Pointers to Structures Containing Pointers It is also possible to create pointers to structures that contain pointers. The following example uses the Addr record from the ... looks like this: #include <stdio.h> struct rec { int i; float f; char c; }; int main() { struct rec *p; p=(struct rec *) malloc (sizeof(struct rec)); (*p).i=10; ...

Ngày tải lên: 16/08/2012, 11:09

... instance of TcpListener listens for TCP connection requests and creates a new socket (in the form of a TcpClient or Socket instance) to handle each incoming connection. 2.3.1 TCP Client A TCP client ... access to a NetworkStream to abstract the sending and receiving of data. Constructors public TcpClient(); public TcpClient(IPEndPoint localEP); public TcpClient(string hostname, int port); Creates ... the TCP echo client with a graphical interface. TcpClient Summary Description TcpClient provides simple methods for connecting to, sending, and receiving data over a TCP connection. The TcpClient...

Ngày tải lên: 17/08/2012, 08:39

... architecture, including the Indigo service layer, the WCF connector, hosting environments, messaging services, and system services. ã Understanding WCF Web services. ã Understanding WCF applications ... service files and the code-behind that directly relates to verifying and relaying incoming messages (but excludes actual business logic). The .asmx files should delegate the business processing ... own addressing and endpoint reference information. This chapter includes the following: ã Overview of communication models for Web services. ã Overview of the WS-Addressing specification, including...

Ngày tải lên: 20/08/2012, 13:57

... 2:52 PM Page 1 Introducing Service-Oriented Architecture 7 Services provide flexible binding: Services fully describe themselves using the WSDL contract. This information includes documentation ... files and the code-behind that directly relates to verifying and relay- ing incoming messages (but which excludes actual business logic). The .asmx files should delegate the business processing ... taking, because typically we place all processing code directly in the code-behind file of the .asmx Web service. But in a service-oriented architecture, it is important to design the Web service...

Ngày tải lên: 20/08/2012, 13:59

... when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static int Y = A.X ... explicitly or implicitly. b) Static constructors can have accessibility modifiers. e) Static constructors are called when the class is loaded. c) Static constructors cannot be called ... error. c) Incompatible type for ’=’ can’t convert SubClass to SuperClass. b) No constructor matching SuperClass() found in class SuperClass d) Wrong number of arguments in constructor....

Ngày tải lên: 21/08/2012, 15:55