网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
多选题
You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open( )Dim cmd As SqlCommand = conn.CreateCommand( )cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?()
A

Dim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()

B

Dim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()

C

Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()

D

Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()


参考答案

参考解析
解析: 暂无解析
更多 “多选题You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open( )Dim cmd As SqlCommand = conn.CreateCommand( )cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?()ADim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()BDim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()CDim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()DDim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()” 相关考题
考题 You are creating a class that performs complex financial calculations.The class contains a method named GetCurrentRate that retrieves the current interest rate and a variable named currRate that stores the current interest rate.You write serialized representations of the class.You need to write a code segment that updates the currRate variable with the current interest ratewhen an instance of the class is deserialized.Which code segment should you use?()A.B.C.D.

考题 You use Microsoft .NET Framework 4 to create a Windows Forms client application.You write the following code segment.The application contains a form of type Form1 that contains a FormSettings object named frmSettings1.You need to maintain the user‘s form size preference each time the user executes the application.Which code segment should you use? ()A.B.C.D.

考题 You are creating a mobile Web Form that dynamically displays news items. You want to display news items by using an instance of a mobile TextView control named TextViewNews. You need to configure the Web Form that contains TextViewNews. The Web Form must enable pagination in casea users device does not display the full text of a news item.Which code segment should you use? ()A.B.C.D.

考题 You create a Web Form that contains connected Web Parts. You write the following declaration in your Web Form.You need to ensure that your Web Part connection is valid. Which two actions should you perform? ()A. Include a data source identified as WebPartConnection1 on the Web Form.B. Include a Web Part identified as customerPart on the Web Form.C. Include a Web Part identified as ordersPart on the Web Form.D. Ensure that you declare an interface named IOrdersPart.E. Ensure that you declare an interface named ICustomerPart.F. Ensure that each Web Part declares either a GetInterface or ProvideInterface method.

考题 You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open()Dim cmd As SqlCommand = conn.CreateCommand()cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?()A. Dim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()B. Dim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()C. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()D. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()

考题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a page that contains the following code fragment:       You write the following code segment in the code-behind file for the page:   void BindData(object sender, EventArgs e) {   lstLanguages.DataSource =  CultureInfo.GetCultures(CultureTypes.AllCultures);   lstLanguages.DataTextField = "EnglishName";  lstLanguages.DataBind();   }   You need to ensure that the lstLanguages ListBox control maintains the selection of the user during postback.  Which line of code should you insert in the constructor of the page?()A、this.Init += new EventHandler(BindData); B、this.PreRender += new EventHandler(BindData); C、lstLanguages.PreRender += new EventHandler(BindData); D、lstLanguages.SelectedIndexChanged += new EventHandler(BindData);

考题 You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open( )Dim cmd As SqlCommand = conn.CreateCommand( )cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?()A、Dim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()B、Dim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()C、Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()D、Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()

考题 You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  The configuration below exists in the Web.config file:           Certkiller.com hosts the Web application in Microsoft Internet Information Services (IIS) 6.0. TheIntegrated Windows Authentication is enabled in IIS and anonymous access disabled. The application pool is configured to run as the identity Certkiller/WebApp. The IIS anonymous accountis Certkiller/Anonymous.  The following code exists in the code-behind file for a web form:  stringname = WindowsIdentity.GetCurrent().Name;  Response.Write(name); A Certkiller.com employee named RoryAllen has a domain user account named Certkiller/RAllen.He uses this account to access the page. However, Rory Allen logs in to the Web application withthe user name FormsUser. You need to determine the output of this code when Rory Allenaccesses the page. What will the output of this code be?()A、The output will be FormsUser.B、The output will be Certkiller/RAllen.C、The output will be Certkiller/Anonymous.D、The output will be Certkiller/WebApp

考题 You create a Web Form that allows users to create a new account. You add a CreateUserWizard control by using the following code segment. You need to ensure that the wizard automatically sends an e-mail message to users when they finish creating their accounts. You add a valid element to the Web.config file. Which code segment should you add to the Page_Load event? ()A、Wizard1.RequireEmail = TrueB、Wizard1.Email = "user@address.com"C、Wizard1.MailDefinition.From = "registration@mysite.com"D、SmtpMail.SmtpServer = "mail.contoso.com"

考题 You create a Web Form that contains connected Web Parts. You write the following declaration in your Web Form. You need to ensure that your Web Part connection is valid. Which two actions should you perform? ()A、Include a data source identified as "WebPartConnection1" on the Web Form.B、Include a Web Part identified as "customerPart" on the Web Form.C、Include a Web Part identified as "ordersPart" on the Web Form.D、Ensure that you declare an interface named "IOrdersPart".E、Ensure that you declare an interface named "ICustomerPart".F、Ensure that each Web Part declares either a GetInterface or ProvideInterface method.

考题 You are creating a DataTable. You use the following code segment to create the DataTable. (Line numbers are included for reference only.) 01 Dim dt As New DataTable("Products") 02 dt.Columns.Add(New DataColumn("Price", _ GetType(Decimal))) 03 dt.Columns.Add(New DataColumn("Quantity", _ GetType(Int32))) 04 Dim dc As DataColumn = New DataColumn("Total", _ GetType(Decimal)) 05 dt.Columns.Add(dc) You need to ensure that the Total column is set to the value of the Price column multiplied by the Quantity column when new rows are added or changed. What should you do? ()A、Add the following code segment after line 05. dc.ExtendedProperties("Total") = "Price * Quantity"B、Add the following code segment after line 05. dc.Expression = "Price * Quantity"C、Write an event handler for the DataTable's TableNewRow event that updates the row's Total.D、Write an event handler for the DataTable's ColumnChanged event that updates the row's Total.

考题 You are creating a Windows Forms application by using the .NET Framework 3.5.You plan to develop a new control for the application. You need to ensure that the control extends the DataGridView control by allowing the cells to contain multicolored text. What should you do?()A、Override the OnPaint method.B、Write a code segment to handle the CellPainting event.C、Write a code segment to handle the CellParsing event.D、Write a code segment to handle the RowPostPaint event.

考题 You create a Web Form. The Web Form allows users to recover their passwords. You add a PasswordRecovery server control by using the following code segment.You need to ensure that the server control generates a new password and sends it by e-mail to the users e?mail address. Which two actions should you perform?()A、Create a valid definition in the Web.config file.B、Set the passwordFormat attribute of the configured membership provider to Encrypted.C、Ensure that the enablePasswordRetrieval attribute of the configured membership provider is set to False.D、Ensure that the enablePasswordRetrieval attribute of the configured membership provider is set to True.

考题 You write a Web application. This application must support multiple languages. You store the localized strings in the application as resources. You want these resources to be accessed according to a users language preference. You create the following resource files in the App_GlobalResources folder of your application.myStrings.resxmyStrings.enCA.resxmyString.en-US.resxmyStrings.fr-CA.resxmyStrings.es-MX.resx resource file stores a localized version of the following strings: Name, E-mail, Address, and Phone. You create a Web Form that contains one label for each of these strings. You need to ensure that the correct localized version of each string is displayed in each label, according to a users language preference. What should you do? ()A、Add the following configuration section to the Web.config file. B、Set the directive for each page in your site as follows:%@ page="" uiculture="“Auto”"C、Add the following code segment to the pages load event.lblName.Text = @”{myStrings}Name”; lblAddress.Text = @”{myStrings}Address”; lblEmail.Text = @”{myStrings}Email”; lblPhone.Text = @”{myStrings}Phone”;D、Add the following code segment to the pages load event. lblName.Text = Resources.myStrings.Name; lblAddress.Text = Resources.myStrings.Address; lblEmail.Text = Resources.myStrings.Email; lblPhone.Text = Resources.myStrings.Phone;

考题 You create a Web Form. The Web Form allows users to log on to a Web site. You implement the login logic using a Login control named Login1. The membership data for the application is stored in a SQL Express database in the App_Data directory. You need to configure your application so that the membership data is stored in a local Microsoft SQL Server database. You add the following code segment to the Web.config file. Which two additional actions should you perform?()A、Use Aspnet_regsql.exe to create the Microsoft SQL Server database.B、Set Login1's MembershipProvider property to MySqlProviderConnection.C、Add the following code segment to the Web.config file.connectionStrings add name="MySqlProviderConnection" connectionString="valid connection string" //connectionStringsD、Add the following code segment to the Web.config file.appSettingsadd key="MySqlProviderConnection" value="valid connection string" //appSettingsE、In the ASP.NET configuration settings within IIS, ensure that Role Management Enabled is selected.F、Use the Web Site Administration Tool to select AspNetSqlMembershipProvider as the membership provider for your application.

考题 You define the following regular expression of currency values: regex tx = new regex("^-?/d+(/./d{2})?$") You are required to write code that will be used to find whether a string in the variable named Bill matches the regular expression or not. You are also required to use this code as the expression in a conditional statement and need to know which code segment to use. What should you do?()A、The tx.Matches(Bill)B、The tx.Equals(Bill)C、The tx.Match(Bill)D、The tx.IsMatch(Bill)

考题 单选题You are creating an ASP.NET Web site. The site has a master page named Custom.master. The code-behind file for Custom.master contains the following code segment.Partial Public Class Custom  Inherits System.Web.UI.MasterPagePublic Property Region As String    Protected Sub Page_Load(ByVal sender As Object,ByVal e As System.EventArgs) Handles Me.LoadEnd SubEnd Class You create a new ASP.NET page and specify Custom.master as its master page.You add a Label control named lblRegion to the new page.  You need to display the value of the master pages Region property in lblRegion.What should you do? ()A Add the following code segment to the Page_Load method of the page code-behind file. Dim custom As Custom = Me.Parent  lblRegion.Text = custom.RegionB Add the following code segment to the Page_Load method of the page code-behind file. Dim custom As Custom = Me.Master  lblRegion.Text = custom.RegionC Add the following code segment to the Page_Load method of the Custom.Master.vb code-behind file. Dim lblRegion As Label = Page.FindControl(lblRegion) lblRegion.Text = Me.RegionD Add the following code segment to the Page_Load method of the Custom.Master.vb code-behind file. Dim lblRegion As Label = Master.FindControl(lblRegion) lblRegion.Text = Me.Region

考题 单选题You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a custom Web user control named SharedControl. The control will be compiled as a library.  You write the following code segment for the SharedControl control: 01 protected override void OnInit(EventArgs e)   02 {   03   base.OnInit(e);   04 ►  05 }    All the master pages in the ASP.NET application contain the following directive.     You need to ensure that the state of the SharedControl control can persist on the pages that reference a master page.  Which code segment should you insert at line 04?()A Page.RegisterRequiresPostBack(this); B Page.RegisterRequiresControlState(this); C Page.UnregisterRequiresControlState(this); D Page.RegisterStartupScript(SharedControl,server);

考题 多选题You create a Web Form that contains connected Web Parts. You write the following declaration in your Web Form.You need to ensure that your Web Part connection is valid. Which two actions should you perform? ()AInclude a data source identified as WebPartConnection1 on the Web Form.BInclude a Web Part identified as customerPart on the Web Form.CInclude a Web Part identified as ordersPart on the Web Form.DEnsure that you declare an interface named IOrdersPart.EEnsure that you declare an interface named ICustomerPart.FEnsure that each Web Part declares either a GetInterface or ProvideInterface method.

考题 单选题You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You create a custom Web user control named SharedControl. The control will be compiled as a library.  You write the following code segment for the SharedControl control. (Line numbers are included for reference only.)  01 Protected Overloads Overrides Sub OnInit(ByVal e As EventArgs)  02 MyBase.OnInit(e)  03  04 End Sub  All the master pages in the ASP.NET application contain the following directive.    You need to ensure that the state of the SharedControl control can persist on the pages that reference a master page.  Which code segment should you insert at line 03?()A Page.RegisterRequiresPostBack(Me)B Page.RegisterRequiresControlState(Me)C Page.UnregisterRequiresControlState(Me)D Page.RegisterStartupScript(SharedControl, server)

考题 单选题You create a Web Form that allows users to create a new account. You add a CreateUserWizard control by using the following code segment.You need to ensure that the wizard automatically sends an e-mail message to users when they finish creating their accounts. You add a valid element to the Web.config file. Which code segment should you add to the Page_Load event?()A Wizard1.RequireEmail = TrueB Wizard1.Email = user@address.comC Wizard1.MailDefinition.From = registration@mysite.comD SmtpMail.SmtpServer = mail.contoso.com

考题 单选题You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use?()A protected void Page_Error(object sender, EventArgs e) { lblResults.Text = e.ToString(); e=null;}B protected void Page_Error(object sender, EventArgs e) { lblResults.Text = Server.GetLastError().ToString(); Server.ClearError();}C protected void Page_Error(object sender, EventArgs e) Response.Write(e.ToString()); e=null;}D protected void Page_Error(object sender, EventArgs e) Response.Write(Server.GetLastError().ToString()); Server.ClearError();}

考题 单选题You are creating a Windows Forms application by using the .NET Framework 3.5. The application requires a thread that accepts a single integer parameter.    You write the following code segment (Line numbers are included for reference only.) Thread myThread = new Thread(new ParameterizedThreadStart(DoWork)) ;  myThread.Start(100); You need to declare the method signature of the DoWork method.   Which method signature should you use?()A public void DoWork();B public void DoWork(int nCounter);C public void DoWork(object oCounter);D public void DoWork(Delegate oCounter);

考题 单选题You are creating a Web application that will run on an intranet. The Web application reads comma-delimited text files. The text files reside in a subdirectory below the Web application's root directory. Users must not be able to navigate directly to these files in a Web browser unless they are members of the Accounting role. You need to write an ASP.NET HTTP handler that will use the FileAuthorizationModule class. Which form of authentication should you use?()A AnonymousB CertificateC FormsD Microsoft Windows Integrated Security

考题 单选题You are developing an application that runs by using the credentials of the end user. Only users who are members of the Administrator group get permission to run the application. You write the following security code to protect sensitive data within the application.bool isAdmin=false;  WindowsBuiltInRole role=WindowsBuiltInRole.Administrator; ......  if(!isAdmin)          throw new Exception("User not permitted");   You need to add a code segment to this security code to ensure that the application throws an exception if a user is not a member of the Administrator group. Which code segment should you use?()A AB BC CD D

考题 单选题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  The configuration below exists in the Web.config file:           Certkiller.com hosts the Web application in Microsoft Internet Information Services (IIS) 6.0. TheIntegrated Windows Authentication is enabled in IIS and anonymous access disabled. The application pool is configured to run as the identity Certkiller/WebApp. The IIS anonymous accountis Certkiller/Anonymous.  The following code exists in the code-behind file for a web form:  stringname = WindowsIdentity.GetCurrent().Name;  Response.Write(name); A Certkiller.com employee named RoryAllen has a domain user account named Certkiller/RAllen.He uses this account to access the page. However, Rory Allen logs in to the Web application withthe user name FormsUser. You need to determine the output of this code when Rory Allenaccesses the page. What will the output of this code be?()A The output will be FormsUser.B The output will be Certkiller/RAllen.C The output will be Certkiller/Anonymous.D The output will be Certkiller/WebApp