• Description: Microsoft 70-306 Developing Windows-based Applications with Microsoft Visual Basic .NET
• Passing Score: 75%
• Practice Test - Number of questions: 256 questions
• Simulation Test - Number of questions: 256 questions
• Simulation Test Duration: 41 minutes
• Has explanations: Yes

You develop a Windows-based application TestK. TestK uses a DataSet object that contains two DataTable objects. TestK will display data from two data tables. One table contains customer information, which must be displayed in a data-bound ListBox control. The other table contains order information, which must be displayed in a DataGrid control. You need to modify TestK to enable the list box functionality. What should you do?

Answer(s)

1. Use the DataSet.Merge method.
2. Define primary keys for the Data Table objects.
3. Create a foreign key constraint on the DataSet object.
4. Add a DataRelation object to the Relations collection of the DataSet object.

Add a DataRelation object to the Relations collection of the DataSet object.