Beginning C# 2008 Databases From Novice to Professional phần 5 potx
Beginning C# 2008 Databases From Novice to Professional phần 5 potx
... something you almost never want (or need) to do. Youneed to be able to store whatever values are appropriate at any given time. There aretwo approaches to doing this. Both are reasonable, but ... Ctrl+F5.You should see the output in Figure 11 -5, the first and last names of all nineemployees.Figure 11 -5. Using a data readerHow It WorksIn this example, you use the ExecuteReader method to ... connection string, so you were connected to theSQL Server’s default database master. If you wanted to connect to the Northwind data-base, you’d need to specify the Database parameter, for example://...
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Beginning C# 2008 Databases From Novice to Professional phần 1 potx
... Huddleston, author of Beginning VB 20 05 Databases: From Novice to Professional Beginning C# 20 05 Databases: From Novice to Professional Beginning Figure 1 -5. Creating the Northwind databaseThis ... 0.9682" 51 2 page countBooks for professionals By professionals® Beginning C# 2008 Databases: From Novice to Professional Dear Reader,This book focuses on accessing databases using C# 2008 as ... 978-1 -59 059 -900-6ISBN-10: 1 -59 059 -900-49 78 159 0 59 9006 5 3 9 9 9What every C# programmer needs to know about SQL Server 20 05, T-SQL, ADO.NET 3 .5, and LINQJames Huddleston, author ofBeginning...
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Beginning C# 2008 Databases From Novice to Professional phần 8 potx
... property of any control is set to None.For example, a control docked to the top edge of a form will always be connected to the top edge of the form, and it will automatically resize in the left ... when developers were required to use Internet Information ServicesCHAPTER 15 ■ BUILDING ASP.NET APPLICATIONS 351 9004ch15final.qxd 12/13/07 4:00 PM Page 351 Figure 15- 3 shows the New Web Site dialog ... Visual C# as the lan-guage. In the text box adjacent to the Location drop-down list box, modify the path from http:// to http://localhost/Chapter 15, which indicates that you are going to create...
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Beginning C# 2008 Databases From Novice to Professional phần 2 ppsx
... 4-7.select CustomerID, TerritoryID ,Row_Number() over (Partition by TerritoryIDorder by CustomerID) as [RowCount] from Sales.CustomerWhere TerritoryID in (1,2) ANDCustomerID Between 1 and 75 Notice ... beginning, middle, or end.In this case, book titles such as C# 2008: An Introduction,” “Accelerated C# 2008, ”and Beginning C# 2008 Databases will be listed.•_ (underscore): A single underscore ... zero to many characters. For example,WHERE title LIKE ' %C# 2008% ' finds all book titles containing the text C# 2008, ”regardless of where in the title that text occurs—at the beginning, ...
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Beginning C# 2008 Databases From Novice to Professional phần 3 doc
... PredicatesQuite often you’ll need to use more than one predicate to filter your data. You can use thelogical operators shown in Table 5- 6.Table 5- 6. SQL Logical OperatorsOperator Description ExampleAND ... don’t have to be. If you work with another versionof SQL, please refer to its documentation for specifics.In addition to these operators, the LIKE operator (see Table 5- 2) allows you to matchpatterns ... teaching you how to write stored procedures, but how to use them in C#. However, we’ll show you how to modify and delete stored procedures in the remainder of this chapter.Modifying Stored ProceduresNow...
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Beginning C# 2008 Databases From Novice to Professional phần 4 ppsx
... you want to add a click event for the button. Double-click button1, and itwill open the code editor with the button1_click event. Insert the code in Listing 8-2 into the code editor.Listing ... T-SQLHere, you’ll code a transaction to both add a customer to and delete one from theNorthwind Customers table. The Customers table has eleven columns; two columns,CustomerID and CompanyName, don’t ... clickExecute:SELECT Cust.CustomerID,OrderHeader.CustomerID,OrderHeader.SalesOrderID,OrderHeader.Status,Cust.CustomerType FROM Sales.Customer Cust, Sales.SalesOrderHeaderOrderHeaderWHERE Cust.CustomerID =...
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Beginning C# 2008 Databases From Novice to Professional phần 6 ppt
... @"selectproductname,unitprice,unitsinstock,discontinued from products";The reason we have you choose these columns is to deal with different kinds of datatypes and show how to use relevant typed accessors to obtain ... ");}CHAPTER 12 ■ USING DATA READERS 257 9004ch12final.qxd 12/13/07 4:07 PM Page 257 Let’s look at an example. Imagine you’re trying to connect to a remote databaseserver over the Internet ... @"select* from customers";CHAPTER 13 ■ USING DATASETS AND DATA ADAPTERS 2779004ch13final.qxd 12/13/07 4: 05 PM Page 277Working with Datasets and Data AdaptersThe dataset constructor is...
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Beginning C# 2008 Databases From Novice to Professional phần 7 pot
... DATA ADAPTERS 2 95 9004ch13final.qxd 12/13/07 4: 05 PM Page 2 95 hindering adoption by your target audience. Don’t ask users to adapt to new visual ele-ments as they navigate from form to form.Consistency ... ascending order by name from “a” to “z.”You can switch to the Alphabetical view by clicking the icon located at the second posi-tion from the left of the toolbar shown in the top of the Properties ... FormsIn order to work with Windows Forms, you need to create a Windows Forms Applicationproject using Visual Studio 2008. To do so, click Start ➤ Programs ➤ Visual Studio 2008, and from the list...
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Beginning C# 2008 Databases From Novice to Professional phần 9 ppt
... 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 and TextAlignproperty ... named DisplayImages to your solution.Rename Form1.cs to DisplayImages.cs.2. Add a text box, a button, and a picture box to the form and set the button’s Textproperty to Show Image and the ... button1_Click event 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...
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Beginning C# 2008 Databases From Novice to Professional phần 10 ppsx
... of, 433–4 35 LINQ to Objects, 437–439LINQ to SQL, 439–4 45 LINQ to XML, 4 45 447overview, 431–433project structure, 4 35 437LINQ to Objects, 437–439LINQ to SQL, 439–4 45 LINQ to XML, 4 45 447List< ... method, 250 GetName( ) method, 255 , 256 GetName property, 251 GetOrdinal method, 255 GetOrdinal property, 251 GetRow( ) method, 418GetSchemaTable method, 256 , 270GetSchemaTable property, 251 GetString ... 354 –362application folders, 357 Split view, 359 –362web forms, 358 – 359 web pages, 351 , 355 – 357 web.config file, 357 – 358 assemblies, 351 asterisk (*), 42, 74atomicity, consistency, isolation, anddurability...
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