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70-518 · Question #239

You are designing a Windows Presentation Foundation (WPF) application. You have the following requirements: - Run client-side validation tests on a large result set from a Microsoft SQL Server 2008…

The correct answer is A. ADO.NET using SqlDataReader objects. See the full explanation below for the reasoning.

Question

You are designing a Windows Presentation Foundation (WPF) application. You have the following requirements:

  • Run client-side validation tests on a large result set from a

Microsoft SQL Server 2008 database.

  • Validate each row of data without storing the entire result set in

memory. You need to recommend a data access technology. What should you recommend?

Options

  • AADO.NET using SqlDataReader objects
  • BLINQ to SQL using the ElementAt() method
  • CADO.NET using SqlDataAdapter objects and DataSet objects
  • DLINQ to Entities using the ElementAt() method

How the community answered

(44 responses)
  • A
    70% (31)
  • B
    14% (6)
  • C
    11% (5)
  • D
    5% (2)

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