单项选择题
Exhibit: You are developing a Web application. The Web application uses a GridView control to display data. You build your Web Forms for the Web application by dragging and dropping tables from the Data Connections tree in Server Explorer. You need to add a connection to your data by using the Add Connection dialog box as shown in the exhibit. During the process, you need to configure the .NET Data Provider that you use to create the data source objects. What should you do?（）
A. Right-click the connection, and click Properties. Modify the Provider property of the data connection.
B. Click the Change button, and change the data provider for the selected data source.
C. Click the Advanced button, and change the Data Source property to the target provider.
D. Click the Advanced button, and change the Application Name property to the target provider.
相关考题
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多项选择题
You load an XmlDocument named doc with the following XML. Dictionary World Atlas You need to change the value for the genre attribute to NA for all book attributes. First, you add the following code segment to your class. XmlElement root = doc.DocumentElement; XmlNodelist nodes = root.SelectNodes(“books/book”); Which additional two code segments can you use to achieve this goal? （）
A. foreach (XmlNode node in nodes){ node.Attributes[0].Value = “NA”;}
B. foreach (XmlNode node in nodes){ node.Attributes[1].Value = “NA”;}
C. foreach (XmlNode node in nodes){XmlNode genre = node.SelectSingleNode(“/genre”); genre.Value = “NA”;}
D. foreach (XmlNode node in nodes){XmlNode genre = node.SelectSingleNode(“@genre”); genre.Value = “NA”;}
E. foreach (XmlNode node in nodes){XmlNode genre = node.SelectSingleNode(“genre”); genre.Value = “NA”;} -
单项选择题
You create a Web application to process XML documents. The Web application receives XML document files from several sources, reads them, and stores them in a Microsoft SQL Server database. The Web application parses all incoming data files to ensure that they conform to an XML schema. You need to find all validation errors in the XML document. What should you do?（）
A. Load the XML data by using an instance of the XmlDocument class and specify a location for the application schema.
B. Configure the ValidationEventHandler in the XmlReaderSettings of the XmlReader object.
C. Read the XML file into a DataSet object and set the EnforceConstraints property to True.
D. Read the XML file into a DataSet object. Handle the DataSet.MergeFailed event to parse the data that does not conform to the XML schema. -
多项选择题
你使用拖放控件到 Visual Studio 2005 页面设计器的方式，给 ASP.NET Web 窗体增加了一个用户控件 MyControl。请问，Visual Studio 给你的 Web 窗体做了那些变化？（）
A.为 Web 窗体的 body 增加了<control id="MyControl1" Runat="server" />
元素。
B.为 Web 窗体增加了@ Register 标记。
C.为 Web 窗体的 body 增加了
D.在 Web 窗体的节增加了<meta control="MyControl"> 元素。
E.为 Web 窗体增加了@ Control 标记。
