beginning css web development from novice to professional

... expecting from the form This allows you toeasily loop over these values and sanitize the data accordingly You then write each value from the form to this array, in a format that is safe to write to ... Back and Forward buttons on the browser People have been using those buttons for years to navi-gate the Internet, and have come to rely on them to the point where navigating the Web would not be ... well as any history data we associated with the location */ function handleHistoryChange(newLocation, historyData) { // Use the history data to update your UI updateUI(newLocation, historyData);

Ngày tải lên: 05/08/2014, 10:20

... Beginning C# 2008 Databases From Novice to Professional Trang 4Beginning C# 2008 Databases: From Novice to ProfessionalCopyright © 2008 by Vidya Vrat Agarwal, James Huddleston, Ranga Raghuram, Syed ... book to be an asset in enriching your base application development skills data-Cheers, Vidya Vrat Agarwal Vidya Vrat Agarwal, From Novice to Professional Vidya Vrat Agarwal and James Huddleston ... Edition Beginning C# 2008 Databases: From Novice to Professional Trang 3Vidya Vrat Agarwal and James HuddlestonRanga Raghuram, Syed Fahad Gilani, Jacob Hammer Pedersen, and Jon Reid Beginning

Ngày tải lên: 08/08/2014, 18:21

... differentiate server databases fromtheir desktop counterparts: • Flexibility: Server databases are designed to be very flexible to support multiple platforms, respond to requests coming from multiple database ... into the development of any system, you need to have strong a cycle model to follow The model must have all the phases defined in proper sequence, life-which will help the development team to ... Trang 19Beginning with QueriesA query is a technique to extract information from a database You need a query window into which to type your query and run it so data can be retrieved from the

Ngày tải lên: 08/08/2014, 18:21

... don’t have to be If you work with another version of SQL, please refer to its documentation for specifics In addition to these operators, the LIKEoperator (see Table 5-2) allows you to matchpatterns ... exists from Orders (FK) to Shippers (PK), and SSE enforces it,preventing deletion of Shippers’ rows that are referred to by Orders rows If the databasewere to allow you to drop records from the ... Creating stored procedures • Modifying stored procedures • Displaying definitions of stored procedures • Renaming stored procedures • Working with stored procedures in C# • Deleting stored procedures

Ngày tải lên: 08/08/2014, 18:21

... you’ll ever need to know At any rate, this chapter will give you what you need to know sup-to start experimenting with it Try It Out: Creating a Table to Store XML To create a table to hold XML documents, ... Here, you’ll code a transaction to both add a customer to and delete one from the Northwind Customers table The Customers table has eleven columns; two columns, CustomerID and CompanyName, don’t ... element The columns listed in the SELECTclause aremapped to attributes or subelements Try It Out: Using FOR XML AUTO To see how to use FOR XML AUTOto format query results as nested XML elements, followthese

Ngày tải lên: 08/08/2014, 18:21

... connecting to a local SSE instance,but it might happen in trying to connect to a SQL Server instance on another server • A hardware problem exists—again unlikely if you’re trying to connect to a server ... namedOdbcProvider to the Chapter09 solution Rename the Program.csfile to OdbcProvider.cs In the code editor, replace the generated code with the code in Listing 9-3, which shows the changes to Listing ... them to be.Here, we’ll describe the connection properties common to most data providers Try It Out: Displaying Connection Information In this example, you’ll see how to write a program to display

Ngày tải lên: 08/08/2014, 18:21

... next sensiblething to do would be to retrieve the rows and process them Try It Out: Looping Through a Result Set The following console application shows how to use a SqlDataReaderto loop through ... method, giving the column number to the reader to retrieve val-ues (just as you’d specify an index for an array) Since in this case you choose a single column from the Customers table while querying ... hard-code the index as rdr[0] To use the connection for another purpose or to run another query on the database, it’s important to call the Closemethod of SqlDataReaderto close the reader explicitly

Ngày tải lên: 08/08/2014, 18:21

... how to persist the original data source changes made to a dataset ■ Note Changes you make to a dataset aren’t automatically propagated to a database To save the changes in a database, you need to ... dt.Rows[0]["city"] = "Wilmington"; Next you add a new row to the data table Trang 7you were to persist the changes to the database, SQL Server would automatically providea value for it ... Figure 13-7 Figure 13-7.Modifying a row Trang 12How It Worksfrom sqlto updin order to clearly distinguish it from this statement // SQL to update employees string upd = @" update employeesset

Ngày tải lên: 08/08/2014, 18:21

... the web server responds to the web browser or web client’s request with the data the user wants to see or workwith HTTP is a communication protocol that is used to request web pages from the webserver ... additional request from the web browser The Web Browser and HTTP The web browser is the client-side application that displays web pages The web browserworks with HTTP to send a request to the web server, ... Labelcontrol to the top border of the form Set this control’s TextAlign property to Top,Center 7. Set the Dock property for the Label control from None to Top, which means youwant the label to always

Ngày tải lên: 08/08/2014, 18:21

... property to True, which is set to False by default 6. Drag a Label control from the Toolbox to below the TextBox and set its AutoSizeproperty to False Also, set the Label’s Font Size property to 12 ... of the form to Events 2. Open the Toolbox and drag a Button control over to the form Select the Buttoncontrol, navigate to the Properties window, and set the control’s Text property toClick Me ... button1_Clickevent handler has been generated, its template will beavailable in Code view Switch to Code view of the Windows Form, namedEvents.cs, to view the event handler and to prepare to

Ngày tải lên: 08/08/2014, 18:21

... Try It Out: Coding a Simple LINQ to SQL Query In this exercise, you’ll use LINQ to SQL to retrieve all customers from the Northwind Cus-tomers table 1. Navigate to Solution Explorer, right-click ... customer data with LINQ to SQL C H A P T E R 1 9 ■ U S I N G L I N Q 441 Trang 4public class Customer and then you’d have to change the typed table definition to Table<Customer> customers ... System.Data.SqlClientnamespaces to access SQLServer Pretty cool, isn’t it? Try It Out: Using the where Clause Here, you’ll modify LinqToSql to retrieve only customers in the USA 1. Add the following two bold lines to LinqToSql.cs://

Ngày tải lên: 08/08/2014, 18:21

... Second Edition Beginning Trang 2James Huddleston, Ranga Raghuram,Syed Fahad Gilani, Jacob Hammer Pedersen, and Jon Reid Beginning C# 2005 Databases From Novice to Professional Trang 3Beginning C# ... the University of Pennsylvania and a juris doctor degree from the University of Pittsburgh Author also of Beginning VB 2005 bases: From Novice to Professional, Jim still finds database an end- ... accurate spine = 0.998" 528 page countBeginning C# 2005 Databases: From Novice to Professional Dear Reader, Thousands of C# programmers have become database professionals through the first two

Ngày tải lên: 09/08/2014, 14:20

... G TO K N O W O U R TO O L S 28 Figure 2-16.Error on trying to query a stopped SSE instance 777Xch02final.qxd 11/18/06 3:43 PM Page 28 Trang 3C H A P T E R 2 ■ G E T T I N G TO K N O W O U R TO ... we want to control how we indent codeand where we store our VCSE solutions You don’t have to do this, but here’s whatpref-we did, if you’d like to be consistent Click Tools ➤Options… to open ... P T E R 2 ■ G E T T I N G TO K N O W O U R TO O L S 33 Figure 2-24.Database Explorer with no connections Trang 87. You need to specify a database to connect to Browse to the Northwind databasein

Ngày tải lên: 09/08/2014, 14:20

... simply change Sql to Odbc in the class names (and, of course, the output header), just as you did to modify the program to work with OLE... instance to which you want to connect: server ... the database to which you want to connect... Debugging Connections to SQL Server Writing the C# code to use a connection is usually the easy part of getting a connection to work Problems ... OdbcProvider to the Chapter04 solution Rename the Program.cs file to OdbcProvider.cs In Code Editor, replace the generated code with the code in Listing 4 -3, which shows the changes to Listing

Ngày tải lên: 09/08/2014, 14:20

... something you almost never want (or need) to do. You need to be able to store whatever values are appropriate at any given time. There are two approaches to doing this. Both are reasonable, but ... rdr[0].ToString().PadLeft(25), rdr[1].ToString().PadLeft(20)); } After processing all rows... productname, unitprice, unitsinstock, discontinued from products "; We chose these columns to deal ... need to prepare. Summary In this chapter, we covered quite a few things: • What an ADO.NET command is and does • How to create a command • How to associate a command with a connection • How to

Ngày tải lên: 09/08/2014, 14:20

... to persist in the original data sourcechanges made to a dataset ■ Note Changes you make to a dataset aren’t automatically propagated to a database To save thechanges in a database, you need to ... TableNameproperty), it’s better to use the index rather than the name (customers1), since a change to the name in the Fill()call would require you to change it here, an unlikely thing to remember to do, if the ... the original query string variablefrom sqlto insin order to clearly distinguish it from this statement: // SQL to insert employeesstring ins = @" insert into employees( firstname,lastname,titleofcourtesy,city,

Ngày tải lên: 09/08/2014, 14:20

... project named BindingManagersto the Chapter09tion Change the form’s Textproperty to Binding Managers solu-2. Drag two TextBoxcontrols and two Buttoncontrols from the Toolbox onto theform Change the ... appears to the right of Customers node (if there’s no check,click the Customers node to make it appear), and then click DataGridView Thischooses the control to use with the data source Drag the Customers ... customer WOLZA from Warszawato Gdansk Now click the Save Data button The new row is now inserted into the Customerstable in the database, and the city for WOLZA has been updated too.Close the

Ngày tải lên: 09/08/2014, 14:20

... TablesYou’ll replace the customer ID with the customer name To get it, you have to access the select o.orderid OrderID,c.companyname CustomerName,e.lastname Employeefrom orders oinner joinemployees ... join customers con o.customerid = c.customerid Trang 20How It WorksFirst, you modify the select list, replacing CustomerIDfrom the Orderstable with select o.orderid OrderID,c.companyname CustomerName,e.lastname ... revise this one to simplify things a bit: 1. Enter the following query into SSMSE and execute it You should see the resultsshown in Figure 11-13: selecto.orderid,o.customerid,e.lastnamefrom orders

Ngày tải lên: 09/08/2014, 14:20

... exception: 1. Add a button to the Database tab page and change its Textproperty to DatabaseException-1 Add a label to the right of this button, and change its Textproperty to Calls a stored procedure ... 2. Add a second button to the tab page, and change its Textproperty to DatabaseException-2 Add a label to the right of this button, and change its Textproperty to Calls a stored procedure that ... Transaction in T-SQL Let’s code a transaction to both add a customer to and delete one from the NorthwindCustomerstable Customershas eleven columns, but only two, CustomerIDand CompanyName,don’t allow nulls,

Ngày tải lên: 09/08/2014, 14:20