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Validation in .NET Framework 4    Version: 0.00       Price: $0.00   
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In the .NET Framework 4, a namespace called System.ComponentModel.DataAnnotations is available for both the common CLR (WPF) and the lighter Silverlight CLR. You can use the DataAnnotations namespace for various purposes. One of these is for data validation using attributes, and another is the visual description of fields, properties, and methods, or to customize the data type of a specific property. These three categories are classified in the .NET Framework as Validation Attributes, Display Attributes, and Data Modeling Attributes. This section uses Validation Attributes to define validation rules for objects

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