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MCPDMCPD(70-511)章節(jié)練習(2019.05.10)

多項選擇題
You use Microsoft .NET Framework 4 to create a Windows Forms application. You add a new class named Customer to the application.  You select the Customer class to create a new object data source. You add the following components to a Windows Form: A BindingSource component named customerBindingSource that is data-bound to the Customer object data source.A set of TextBox controls to display and edit the Customer object properties.Each TextBox control is data-bound to a property of the customerBindingSource component. An ErrorProvider component named errorProvider that validates the input values for each TextBox control. You need to ensure that the input data for each TextBox control is automatically validated by using the ErrorProvider component. Which two actions should you perform?（）
A. Implement the validation rules inside the Validating event handler of each TextBox control by throwing an exception when the value is invalid.
B. Implement the validation rules inside the TextChanged event handler of each TextBox control by throwing an exception when the value is invalid.
C. Implement the validation rules inside the setter of each property of the Customer class by throwing an exception when the value is invalid.
D. Add the following code segment to the InitializeComponent method of the Windows Form.   this.errorProvider.DataSource = this.customerBindingSource;
E. Add the following code segment to the InitializeComponent method of the Windows Form.    this.errorProvider.DataSource = this.customerBindingSource.DataSource;    this.errorProvider.DataMember = this.customerBindingSource.DataMember;
單項選擇題
Where can you check the value of a dependency property? （）
A. WPF visualizer
B. in locals
C. WPF tree visualizer
單項選擇題
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a DataGrid named gridContacts that is data-bound to a collection of Contacts. Each item has the ContactName and Phone properties. The DataGrid contains a column named ContactNameColumn that is bound to ContactName. You write the following code fragment. You need to ensure that the application meets the following requirements: Phone number is shown as a row detail when the row is selected.Only ContactName can be edited. What should you do?（）
A.
B.
C.
D.
單項選擇題
You have a custom button, with should have a Property "IsActive", one must be able to bind this Property on a class Property.（）
A. Dependency Property
B. INotifyPropertyChanged
C. net Property
多項選擇題
You use Microsoft .NET Framework 4 to create a custom Windows Presentation Foundation (WPF) application. Your environment includes several WPF applications. The applications use the same logo and style configuration as part of a corporate standard. You need to ensure that the existing applications can be updated to use the same logo and style settings without recompiling. Which two actions should you perform?（）
A. Mark the resource as an embedded resource in each application.
B. Create a resource in an XAML file that contains the logo and style configurations.
C. Create a resource in a custom control that contains the logo and style configurations.
D. Add the resource as a ResourceDictionary in the MergedDictionaries collection of each application.
E. Use ResourceManager to read the content of the resource. Manually assign the style configurations included in the resource file to the appropriate control in each application.
單項選擇題
You upgrade a Windows Forms application to Microsoft .NET Framework 4. The application was developedby using a previous version of the .NET Framework. The application uses the Code Access Security (CAS) policy for file access. When the application is executed, you receive the following exception: "NotSupportedException: This method uses CAS policy, which has been obsoleted by the .NET Framework." You need to resolve the error. What should you do?（）
A.
B.
C.
D.
單項選擇題
You use Microsoft .NET Framework 4 to create a Windows Forms application. You have a dataset as shown in the following exhibit. You plan to add a DataGridView to display the dataset. You need to ensure that the DataGridView meets the following requirements: Shows Order Details for the selected order. Shows only Order Details for items that have UnitPrice greater than 20. Sorts Products by ProductName .Which code segment should you use? （）
A.
B.
C.
D.
單項選擇題
You are developing a Windows Forms application that contains a DataGridView control. The DataGridView capture the customer's name, address, and phone number.You have been asked to provide data validation in a DataGridView to prevent users from leaving the..You need to ensure that users cannot tab out of the name field without entering dataWhat should you do ?（）
A. Validate the name field in the CellValidating event. Set e.Cancel = true if the name field is
B. Validate the name field in the CellErrorTextChanged event. Get e.RowIndex if the name field ..
C. Validate the name field in the CellEnter event. Set the focus on the name field if the name ...
D. Validate the name field in the CancelRowEdit event. Set the focus on the name field if the name ...
單項選擇題
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code fragment. (Line numbers are included for reference only.)You need to rotate the rectangle by 45 degrees by using its upper-left corner as the axis. Which code fragment should you insert at line 04?（）
A.
B.
C.
D.
單項選擇題
You need to ensure that phone numbers are displayed in the following format : (###) ### - ###Which markup segment should you use ?（）
A.
B.
C.
D.

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