programming microsoft ado net 4 pdf

... user or session. Some of these alternatives are described in this chapter, on page 1 94. 1 94 Microsoft ADO. NET 4 Step by Step Concurrency is the art of when to apply a record lock. There are two ... mapping process generates an exception when it finds an unmapped table or column. 188 Microsoft ADO. NET 4 Step by Step The second property for managing mapping exceptions is the SqlDataAdapter.Missing ... and (2) it up- dates the record to assign a user to the previously looked-up seat. 192 Microsoft ADO. NET 4 Step by Step Figure 12-1 shows three possible scenarios when Alice and Bob use the system

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... form. 278 Microsoft ADO. NET 4 Step by Step Note At this point, the Delete button on the CustomerEditor form does not work. The example that appears later in this chapter on page 2 84 adds the ... program prompts you to delete the customer, it successfully located the entity by ID. 2 84 Microsoft ADO. NET 4 Step by Step Using Query Builder Methods: Visual Basic Note This exercise continues ... earlier in this chapter) that act as collections for named or anonymous entity types. 280 Microsoft ADO. NET 4 Step by Step Consider this simple Entity SQL statement that selects a few fields from

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... chapters delve deeper into the specific flavors of LINQ that pertain to the ADO. NET experience. 3 04 Microsoft ADO. NET 4 Step by Step Chapter 17 Quick Reference To Do This Join two collections together ... results. Standard LINQ queries do not support right outer joins and full outer joins. 298 Microsoft ADO. NET 4 Step by Step To build a cross join, which generates all possible combinations of two ... Select clause in Visual Basic. C# supports Distinct only in its extension method form. 300 Microsoft ADO. NET 4 Step by Step C# var results = (from tr in transport orderby tr.Wheels select tr.Wheels).Distinct();

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... calculating the per-customer total of all child-record orders: Coho Winery: $99 .45 Fourth Coffee: $16.32 98 Microsoft ADO. NET 4 Step by Step The code calculated these totals by adding up the Child.Total ... appear. The second argu- ment is an array of column names to include in the new table. 1 04 Microsoft ADO. NET 4 Step by Step 5. Run the program. When the Switchboard form appears, click Data Views ... someView = new DataView(someTable); Visual Basic Dim someView As New DataView(someTable) 100 Microsoft ADO. NET 4 Step by Step The new view includes all the rows in the original table, sorted in the

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... 106 Microsoft ADO. NET 4 Step by Step Summary This chapter introduced two ADO. NET features that enhance its core functionality: aggre- gates ... other XML-enabled application. ADO. NET includes full schema definition support using Schema Definition Language (XSD). Note Before version 4, ADO. NET included an XmlDataDocument class that supported ... DataSet is even easier because ADO. NET will guess at the correct structure of the data even if you don’t provide table design guidance. 108 Microsoft ADO. NET 4 Step by Step Writing XML To generate

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... 116 Microsoft ADO. NET 4 Step by Step Generating XML from a DataSet : Visual Basic 1. Open the “Chapter 7 VB” ... built into ADO. NET classes. These features exist primarily to assist in serializing static XML content for disk-based storage or for transfer to other applications that expect ADO. NET- generated ... other ways to bring ADO. NET data and XML together in your applications. LINQ, a major language feature in both Visual Basic and C#, includes data-querying features for both ADO. NET and XML, features

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... data management between ADO. NET and external data sources. Note ADO. NET includes an “Entity Client” provider that enables provider-like functionality to the new ADO. NET Entity Framework system. ... Server database with ADO. NET requires three components: an active SQL Server database, an instance of SqlClient.SqlConne ction, and a valid connection string. 128 Microsoft ADO. NET 4 Step by Step ... 126 Microsoft ADO. NET 4 Step by Step The .NET Framework also includes string builders for OLE DB (System.Data.OleDb.OleDb

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... rows using the R ead method, that’s it. You cannot return to the beginning of the set 144 Microsoft ADO. NET 4 Step by Step and scan through again; to do that, you’d need to generate a new data ... CInt(dataAction.ExecuteScalar()) Stored procedures that return a single value are identical in concept. 142 Microsoft ADO. NET 4 Step by Step Returning Data Rows To process one or more rows returned from a SELECT ... code. Passing the SqlCommand object as the optional argument simplifies this process. 140 Microsoft ADO. NET 4 Step by Step C# SqlCommand dataAction = new SqlCommand(sqlText, linkToDB); AsyncCallback

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... 146 Microsoft ADO. NET 4 Step by Step Along those same generic lines, the SqlDataReader object’s GetSchemaTable ... accesses specific fields in that first row to populate various internal and onscreen values. 148 Microsoft ADO. NET 4 Step by Step 7. Run the program, a simple database application that lets you create, ... them to SqlCommand instances, ordi- nary text queries become parameterized queries. 1 54 Microsoft ADO. NET 4 Step by Step Note In the OLE DB provider, the parameter class appears as System.Data.OleDb.

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... shows these components working on a single database table, Customer. 170 Microsoft ADO. NET 4 Step by Step Database ADO. NET Customer DataAdapter SELECT Fill Update INSERT UPDATE DELETE DataReader ... 166 Microsoft ADO. NET 4 Step by Step 4. Just after the “Read the next set, which contains the orders” comment, add the ... a DataSet, call the SqlDataAdapter.Fill method, passing it an instance of DataSet. 1 74 Microsoft ADO. NET 4 Step by Step C# DataSet targetSet = new DataSet(); SqlDataAdapter workAdapter = new

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... line: envelope.Complete() This method call commits the entire transaction. 208 Microsoft ADO. NET 4 Step by Step 4. Run the program. In the local-transaction sample earlier in this chapter, attempting ... TransactionScope object’s Dispose method. Microsoft ADO. NET 4 Step by Step 211 Part III Entity Framework Chapter 13: Introducing the Entity Framework Chapter 14: Visualizing Data Models Chapter ... 206 Microsoft ADO. NET 4 Step by Step Processing with a Distributed Transaction: C# Note This exercise uses the

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... 216 Microsoft ADO. NET 4 Step by Step  Association set All association instances for a defined association type ... Language (SSDL), another XML schema definition. SSDL files use the extension .ssdl. 218 Microsoft ADO. NET 4 Step by Step Understanding the Model Mappings The model mapping layer provides the glue ... equivalent definition experiences us- ing their respective SSDL and MSL design languages. 220 Microsoft ADO. NET 4 Step by Step Generating the Objects The XML content for an Entity Framework model is

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... Delete Function> row and then select CancelOrder from the drop- down list. 240 Microsoft ADO. NET 4 Step by Step 4. The Mapping Details panel detects the properties required for the selected ... modeler design surface and selecting Add Code Generation Item from the shortcut menu. 242 Microsoft ADO. NET 4 Step by Step When you add a new code generation item to your project, Visual Studio ... 236 Microsoft ADO. NET 4 Step by Step If not already available in your Visual Studio Integrated Development Environment

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... Customer)(sqlText, context) ' Option 4: Use query builder methods, shown later. ' Option 5: Use LINQ, shown later. End Using 270 Microsoft ADO. NET 4 Step by Step Depending on how you configured ... instance to the context or the context’s exposed set of customers. 4. Call the context object’s SaveChanges method. 272 Microsoft ADO. NET 4 Step by Step Here’s an example that adds a new customer: C# ... data conflicts between the data source and the local EF model’s content. Passing a 2 74 Microsoft ADO. NET 4 Step by Step value of RefreshMode.StoreWins will bring any modifications found in the

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... Microsoft ADO. NET 4 Step by Step 287 Part IV LINQ Chapter 17: Introducing LINQ Chapter 18: Using LINQ

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... related .NET Framework 4. 0 release, Microsoft provided guidance on the future of its LINQ to SQL provider. This “Update on LINQ to SQL and LINQ to Entities Roadmap” blog entry posted by the ADO. NET ... <Column> Public ShortName As String <Column> Public FullName As String End Class 3 34 Microsoft ADO. NET 4 Step by Step Attributes, such as the TableAttribute and ColumnAttrib ute shown in this ... 326 Microsoft ADO. NET 4 Step by Step Calling Custom Database Functions: C# Note This exercise continues the previous

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... function. Call the function within a LINQ query. Microsoft ADO. NET 4 Step by Step 345 Part V Presenting Data to the World Chapter 21: Binding Data with ADO. NET Chapter 22: Providing RESTful Services ... AdmittedInYear database function, which was dragged into the model in the prior example. 342 Microsoft ADO. NET 4 Step by Step 3. Locate the StatesByYear_Load event handler; this is a routine that ... context.AgedInvoices(whichCustomer, 90); Visual Basic Dim pending As Decimal = context.AgedInvoices(whichCustomer, 90) 340 Microsoft ADO. NET 4 Step by Step Querying with LINQ to SQL: C# Note This exercise parallels exercises found

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... chapter. Visit www .microsoft. com/express to download Express products. 1. Create a new ASP .NET web application project. 3 74 Microsoft ADO. NET 4 Step by Step 2. Add a new ADO. NET Entity Data Model ... “Using the Entity Data Model Wizard” section of Chapter 14, “Visualizing Data Models,” walks you through this process. 372 Microsoft ADO. NET 4 Step by Step 3. Add a new WCF Data Service item to ... Services began its life as ADO. NET Data Services in Microsoft? ??s version 3.5 update to the .NET Framework and in the accompanying Visual Studio 2008 SP1 release. The library is Microsoft? ??s implementation

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... the ADO. NET family. Part I, “Getting to Know ADO. NET, ” provides a quick over- view of ADO. NET and its fundamental role in .NET applications, then delves into the details of the main ADO. NET ... other .NET- enabled languages. If you are a .NET developer looking to interact with database content or other external data sources, then ADO. NET is the right tool for you. Microsoft ADO. NET 4 Step ... This Book For? As part of Microsoft Press’s “Developer Step By Step” series of training resources, Microsoft ADO. NET 4 Step by Step makes it easy to learn about ADO. NET and the advanced data...

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