多项选择题

YouareimplementinganewDynamicDataWebsite.TheWebsiteincl……

You are implementing a new Dynamic Data Web site. The Web site includes a Web page that has an ObjectDataSource control named ObjectDataSource1. ObjectDataSource1 interacts with a Web service that exposes methods for listing and editing instances of a class named Product. You add a GridView control named GridView1 to the page， and you specify that GridView1 should use ObjectDataSource1 as its data source. You then configure GridView1 to auto-generate fields and to enable editing. You need to add Dynamic Data behavior to GridView1. You also must ensure that users can use GridView1 to update Product instances. Which two actions should you perform？（）

A.Add a DynamicDataManager control to the Web page.
B.Disable the auto-generated fields on GridView1. Add a DynamicField control for each field of the Product class.
C.Add the following code segment to the Application_Start method in the Global.asax.cs file.
D.Add the following code segment to the Page_Init method of the Web page.

<上一题目录下一题>

热门试题

单项选择题You are implementing an ASP.NET Dynamic Data Web site. The Web site includes a data context that enables automatic scaffolding for all tables in the data model. The Global.asax.cs file contains the following code segment. You need to display the items in a table named Products by using a custom layout. What should you do?（）

A.Add a new Web page named Products.aspx to the Dynamic Data\PageTemplates folder of the Web site.
B.Add a new folder named Products to the Dynamic Data\CustomPages folder of the Web site. Add a new Web page named ListDetails.aspx to the Products folder.
C.Add a new Web user control named Products.ascx to the Dynamic Data\Filters folder of the Web site. In the code-behind file for the control， change the base class from UserControl to System.Web.DynamicData.Query.
D.Add a new Web user control named Products_ListDetails.ascx to the DynamicData\EntityTemplates folder of the Web.In the code-behind file for the control， change the base class from UserControl to System.Web.DynamicData.Entity.

多项选择题You are implementing an ASP.NET Web site. The site contains the following class. The Web site interacts with an external data service that requires Address instances to be given in the following XML format. You need to ensure that Address instances that are serialized by the XmlSerializer class meet the XML format requirements of the external data service. Which two actions should you perform.（）

A.Add the following attribute to the AddressType field. [XmlAttribute]
B.Add the following attribute to the Line2 field. [XmlElement（IsNullable=true）]
C.Add the following attribute to the ZipPostalCode field. [XmlAttribute（"ZipCode"）]
D.Add the following attribute to the ZipPostalCode field. [XmlElement（"ZipCode"）]

多项选择题You are implementing an ASP.NET Web site. The Web site contains a Web service named CustomerService. The code-behind file for the CustomerService class contains the following code segment. You need to ensure that the GetProducts method can be called by using AJAX.Which two actions should you perform？（）

A.Apply the WebService attribute to the ProductService class.
B.Apply the ScriptService attribute to the ProductService class.
C.Apply the WebMethod attribute to the GetProducts method.
D.Apply the ScriptMethod attribute to the GetProducts method.

单项选择题You are implementing an ASP.NET application. You add the following code segment. You need to add code to return a list of all Person objects except those with a UserId that is contained in the secretUsers list. The resulting list must not contain duplicates. Which code segment should you use？（）

A.var secretPeople = （from p in allPeople from u in secretUsers where p.UserId == u select p）.Distinct（）； return allPeople.Except（secretPeople）；
B.return from p in allPeople from u in secretUsers where p.UserId != u select p；
C.return （from p in allPeople from u in secretUsers where p.UserId != u select p）.Distinct（）；
D.List people = new List（ from p in allPeople from u in secretUsers where p.UserId != u select p）； return people.Distinct（）；

单项选择题You are implementing an ASP.NET application that uses LINQ to Entities to access and update the database.The application includes the following method to update a detached entity of type Person. You need to implement the UpdatePerson method to update the database row that corresponds to the personToEdit object. Which code segment should you use？（）

A._entities.People.Attach（personToEdit）； _entities.ObjectStateManager.ChangeObjectState（personToEdit， EntityState.Modified）； _entities.SaveChanges（）；
B._entities.ObjectStateManager.ChangeObjectState（personToEdit， EntityState.Added）；_entities.SaveChanges（）；
C._entities.People.ApplyCurrentValues（personToEdit）； _entities.SaveChanges（）；
D._entities.People.Attach（new Person（） { Id = personToEdit.Id }）；_entities.ObjectStateManager.ChangeObjectState（personToEdit， EntityState.Modified）；_entities.SaveChanges（）；