单项选择题
You create a Web Form. The Web Form uses the FormView control to enable a user to edit a record in the database. When the user clicks the Update button on the FormView control, the application must validate that the user has entered data in all of the fields. You need to ensure that the Web Form does not update if the user has not entered data in all of the fields. Which code segment should you use? （）
A. Protected Sub FormView1_ItemUpdating(ByVal sender As Object, _ ByVal e As System.Web.UI.WebControls.FormViewUpdateEventArgs) _ Handles FormView1.ItemUpdating Dim entry As DictionaryEntry For Each entry In e.Keys If entry.Value.ToString() = System.String.Empty Then e.Cancel = True Return End If Next entryEnd Sub
B. Protected Sub FormView1_ItemUpdated(ByVal sender As Object, _ ByVal e As System.Web.UI.WebControls.FormViewUpdatedEventArgs) _ Handles FormView1.ItemUpdated Dim entry As DictionaryEntry For Each entry In e.NewValues If entry.Value.Equals("") Then e.KeepInEditMode = True Return End If Next entryEnd Sub
C. Protected Sub FormView1_ItemUpdating(ByVal sender As Object, _ ByVal e As System.Web.UI.WebControls.FormViewUpdateEventArgs) _ Handles FormView1.ItemUpdating Dim entry As DictionaryEntry For Each entry In e.NewValues If entry.Value.Equals("") Then e.Cancel = True Return End If Next entryEnd Sub
D. Protected Sub FormView1_ItemUpdated(ByVal sender As Object, _ ByVal e As System.Web.UI.WebControls.FormViewUpdatedEventArgs) _ Handles FormView1.ItemUpdated Dim entry As DictionaryEntry For Each entry In e.Keys If entry.Value.ToString() = System.String.Empty Then e.KeepInEditMode = True Return End If Next entryEnd Sub
相关考题
-
多项选择题
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. -
多项选择题
You create Web sites for your company. You apply a consistent design to the pages and controls of the Web sites. You need to make style changes to all of the Web sites on the Web server. You want to achieve this goal without having to edit the individual pages on each Web site. Which two actions should you perform?（）
A. Place a theme in the App_Themes directory under the application root directory.
B. Place a theme under an ASP.NETClientFiles folder under the ASP.NET installation directory.
C. Assign a theme by setting the <%@ Page Theme="..." %> directive to the name of the application theme.
D. Assign a theme by specifying the <pages theme="..."/> section in the Web.config file. -
单项选择题
You create a master page named Article.master. Article.master serves as the template for articles on your Web site. The master page uses the following page directives. You need to create a content page that uses the master page as a template. In addition, you need to use a single master page for all devices that access the Web site. Which code segment should you use? （）
A. <%@ Page Language="VB" Theme="article"%>
B. <%@ Page Language="VB" MasterPageFile="~/article.master"%>
C. <%@ Page Language="VB" ie:MasterPageFile="~/article.master"%>
D. <%@Page Language="VB" all:MasterPageFile="~/article.master"%>
