By Tim Patrick
Teach your self the basics of ADO.NET four -- one step at a time. With this sensible, learn-by-doing educational, you get the transparent tips and hands-on examples you want to begin growing datacentric purposes for home windows and the internet.
Discover tips to:
- Connect to exterior facts resources, together with databases and different info codecs
- Use ADO.NET Entity Framework to engage with underlying info shops
- Build Entity Framework types with graphical layout instruments in Microsoft visible Studio 2010
- Analyze info saved in ADO.NET with quite a few LINQ prone
- Bind facts on to home windows varieties and internet kinds to force details to clients
- Manage disconnected or standalone info and data
- Go past the middle performance of ADO.NET to control facts in additional complicated methods
Your step-by-step electronic content material contains:
- Practice workouts
- Fully searchable on-line variation of this booklet -- with limitless entry on the net
Read or Download Microsoft ADO.NET 4 Step by Step (Step By Step (Microsoft)) PDF
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Extra resources for Microsoft ADO.NET 4 Step by Step (Step By Step (Microsoft))
Expand the Data Connections item in the Server Explorer. Then expand the StepSample database entry and the Tables item within it. Chapter 2 Building Tables of Data 33 3. To add one of the tables to the designer, drag it from the Server Explorer to the design surface. For example, dragging the Customer table places a representation of that table’s structure on the design surface. The designer also sets all the correct properties for the table and its columns in the Properties panel. xsd file to a project through the Dataset Designer, its member tables are immediately available to the project’s source code.
Each DataTable object contains a collection of ordered rows, each existing as an instance of a DataRow object. Each row contains its own collection of items that holds the row’s (and ultimately the table’s) actual data values. A set of column definitions exists separately from the actual column values, although the definitions influence the values. Figure 2-1 shows the difference between the logical and physical structures of a data table. Logical Implementation Row ID First Name Birth Date 0 11 George 8/3/1985 1 96 Annette 2/12/2003 2 27 Toru 12/30/1948 Physical Implementation ID First Name Birth Date 0 11 George 8/3/1985 1 96 Annette 2/12/2003 2 27 Toru 12/30/1948 Figure 2-1 Logical and physical table layouts.
Tables can be grouped together into a DataSet. NET data require that any tables be bound within a DataSet, but if you plan to do some limited work with only a single table, it’s fine to work with just the DataTable instance. DataTable instances and their associated objects are sufficient for working with internal data. NET features multiple data providers, including a custom provider for Microsoft SQL Server. NET. Several third-party providers can be purchased or obtained free of charge, which target specific platforms, including Oracle.
Microsoft ADO.NET 4 Step by Step (Step By Step (Microsoft)) by Tim Patrick