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You use Microsoft .NET Framework 4 to create a Windows Forms application.You add a new cla

ss 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;

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更多“You use Microsoft .NET Framework 4 to create a Windows Forms application.You add a new cla”相关的问题

第1题

You are adatabase solutionsarchitect.Your company plan

sto develop asolution by using a SQLServer2008instance.The solutionhasthefollowingbusinessrequirements:ImportdatafromvariousdatasourcessuchasMicrosoftOfficeExcel,Microsoft SQL Server2000,MicrosoftSQLServer2005,andCSVfiles.Profilethesourcedatabeforeitisimported.Providecollaborationandofflinecapabilitiestomobileusers.Allowmobileuserstouseheterogeneousdatastores.YouneedtoconfiguretheappropriateSQLServercomponentstoaccomplishthebusinessrequirements.Youwanttoachievethisgoalbyusingtheminimum amountofadministrativeeffort.

Whichtwo SQL Server componentsshould you use？（）

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第2题

A.A

B.B

C.C

D.D

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第3题

Your computer runs Microsoft Windows XP Professional. You share your computer with two oth

er co-workers. You purchase a new computer. You install Microsoft Windows Vista on the new computer. You need to migrate the following content from the old computer to the new computer:All system and program settingsAll users settingsOnly the content in the C:\Appdata folderWhich tool should you use？（）

A.A

B.B

C.C

D.D

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第4题

Your organization has a n Active Directory Domain Services （AD DS) domain. All client comp

Your organization has a n Active Directory Domain Services (AD DS) domain. All client computers run Windows 7. You use Microsoft System Center Virtual Machine Manager (VMM) 2008 R2 to manage your Hyper-V hosts. Your environment includes Microsoft Enterprise Desktop Virtualization (MED-V). You plan to deploy a virtual machine (VM) image to all client computers. You need to ensure that user state information is maintained between sessions in the VM.What should you do？（）

A.Use VMM to configure placement settings.

B.Configure a MED-V revertible workspace policy.

C.Configure a MED-V persistent workspace policy.

D.Use Hyper-V Manager to create a revert snapshot.

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第5题

You use Microsoft .NET Framework 4 to create a Windows Forms application.You need to allow

the user interface to use the currently configured culture settings in the Control Panel.Which code segment should you use？（）

A.Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture;

B.Thread.CurrentThread.CurrentCulture = Thread.CurrentThread.CurrentUICulture;

C.Thread.CurrentThread.CurrentUICulture = CultureInfo.InstalledUICulture;

D.Thread.CurrentThread.CurrentCulture = CultureInfo.InstalledUICulture;

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第6题

You use Microsoft .NET Framework 4 to create a Windows Forms application.You have a DataGr

idView that is bound to a DataTable containing a column named ProductName.The ProductName column can contain any valid string, except "ProductX," "ProductY," "ProductZ."You need to ensure that only valid entries for ProductName are saved when users edit the DataGridView.Which DataGridView event should you use？（）

A.CellBeginEdit

B.Invalidated

C.Validated

D.Validating

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第7题

You are the network administrator for . Your network consists of a single Active Directory

domain named All network servers runWindows Server 2003. You use Microsoft Operations Manager (MOM) to monitor all servers.An e-mail server named MailTK1 is located at a remote data center. MailTK1 runs Microsoft Exchange Server 2003.MailTK1 restarts unexpectedly during business hours. The event log indicates a problem with the SCSI CD-ROM.You need to ensure that MailTK1 remains continuously available during business hours.What should you do？（）

A. Use Device Manager to disable the SCSI CD-ROM.

B. Create and implement a new hardware profile to exclude the SCSI CD-ROM.

C. Use Device Manager to update the driver for the SCSI CD-ROM.

D. Use Device Manager to update the driver for the SCSI controller.

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第8题

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Pr

esentationFramework (WPF) application.You have a page named myPage that contains the following code fragment.You need to ensure that other pages in your application can use CustomerNameBrush.What should you do？（）

A.Move CustomerNameBrush to the App.xaml file.

B.Inherit from myPage in all additional pages that use CustomerNameBrush.

C.Add a reference to myPage to all additional pages that use CustomerNameBrush.

D.Bind controls that need CustomerNameBrush to myPage.Resources.CustomerNameBrush.

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第9题

You use Microsoft Application Virtualization for Desktops to virtualize applications for c

lient computers.A virtual application that was installed by using a Windows Installer Package (.msi) file has become corrupted.You need to restore access to the virtual application.Which two actions should you perform？（）

A.Reload the virtual application package.

B.Reinstall the virtual application package.

C.Use the Repair function in the Windows Installer Package. Use the Microsoft Application Virtualization (App-V) to re-sequence the application.

D.Use the Microsoft Application Virtualization (App-V) Sequencer to edit the virtual application package.

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第10题

Your workgroup contains computers that run Microsoft Windows Vista and Microsoft Windows X

P Professional. Employees that use Windows XP Professional do not appear in the Invite people list of a Microsoft Windows Meeting Space meeting. You need to ensure that all employees are invited to Windows Meeting Space meetings.Which two actions should you perform？（）

A.A

B.B

C.C

D.D

E.E

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第11题

You use Microsoft .NET Framework 4 to create a Windows Presentation Framework （WPF) applic

You use Microsoft .NET Framework 4 to create a Windows Presentation Framework (WPF) application.You plan to create a custom control that contains four text input fields.Each of the text input fields within the control will contain a label.You need to ensure that the text input fields within the control can be validated by using a regular expression validator.Which class should you inherit from？（）

A.TextBox

B.TextElement

C.UIElement

D.UserControl

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