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MCSD.NET - 70-306 Exam Interview Question:

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Suppose You execute a query on your external Oracle database named XYZSalesDate by using an
OleDbCommand object. The query uses the Average function to return a single value that
represents the average price of products in the inventory table. You want to optimize performance
when you execute this query.
To execute this query from your ADO.NET code, you need to use a method of the
OleDbCommand object. Which method should you use?
A. ExecuteNonQuery
B. ExecuteScalar
C. ToString
D. ExecuteReader

Submitted by: Administrator

B. ExecuteScalar
Submitted by: Administrator

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Read Online MCSD.NET - 70-306 Exam Job Interview Questions And Answers

Top MCSD.NET - 70-306 Exam Questions

☺

Suppose You develop a Windows Form that provides online help for users. You want the help functionality
to be available when users press the F1 key. Help text will be displayed in a pop-up window for
the text box that has focus.
To implement this functionality, you need to call a method of the HelpProvider control and pass
the text box and the help text.
Which method should you call?
A. SetShowHelp
B. SetHelpString
C. SetHelpKeyword
D. ToString

☺

You are preparing a localized version of a Windows Form named XYZLocal. Users of XYZLocal
speak a language that prints text from right to left. User interface elements on the form need to
conform to this alignment.
You must ensure that all user interface elements are properly formatted when the localized
Windows Form runs. You must also ensure that XYZLocal is easy to update and maintain.
What should you do?
A. Set the RightToLeft property of each control on the form to Yes.
B. Set the RightToLeft property of the form to Yes.
C. Set the Language property of the form to the appropriate language.
D. Set the Localizable property of the form to True.

☺

Suppose You develop a Windows-based application. The application uses a DataSet object that contains
two DataTable objects. The application will display data from the 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 your application to enable the list box functionality. What should you do?
A. Use the DataSet.Merge method.
B. Define primary keys for the DataTable objects.
C. Create a foreign key constraint on the DataSet object.
D. Add a DataRelation object to the Relation collection of the DataSet object.

☺	Tell me What is the difference between Remoting and Client/Server application?

☺

As a developer at XYZ you develop a new sales analysis application that reuses existing data
access components. One of these components returns a DataSet object that contains the data for
all customer orders for the previous year.
You want your application to display orders for individual product numbers. Users will specify the
appropriate product numbers at run time.
What should you do?
A. Use the DataSet.Reset method.
B. Set the RowFilter property of the DataSet object by using a filter expression.
C. Create a DataView object and set the RowFilter property by using a filter expression.
D. Create a DataView object and set the RowStateFilter property by using a filter expression..

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