单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  | English | Chinese | Japan | Korean | - 48 - Test Information Co., Ltd. All rights reserved. You create a Web form that contains the following code fragment. You write the following code segment in the code-behind file. (Line numbers are included for reference only.)  01 protected void Page_Load(object sender, EventArgs e)  02 {  03 DataSet objDS = new DataSet();  04 SqlDataAdapter objDA = new SqlDataAdapter(objCmd);  05 objDA.Fill(objDS);  06 gridCities.DataSource = objDs; 07 gridCities.DataBind();  08 Session["ds"] = objDS;  09 }  10 protected void btnSearch_Click(object sender, EventArgs e)  11 {  12  13 } You need to ensure that when the btnSearch Button control is clicked, the records in the gridCities GridView control are filtered by using the value of the txtSearch TextBox. Which code segment you should insert at line 12?（）

单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You write the following code segment in the code-behind file to create a Web form. (Line numbers are included for reference only.)  01 Dim strQuery As String = "select * from Products;" + _ "select * from Categories"  02 Dim cmd As New SqlCommand(strQuery, cnn)  03 cnn.Open()  04 Dim rdr As SqlDataReader = cmd.ExecuteReader()  | English | Chinese | Japan | Korean | - 47 - Test Information Co., Ltd. All rights reserved. 05  06 rdr.Close()  07 cnn.Close()  You need to ensure that the gvProducts and gvCategories GridView controls display the data that is contained in the following two database tables:  ¡¤The Products database tabl  ¡¤The Categories database tabl  Which code segment should you insert at line 05? （）

单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You write the following code segment in the code-behind file to create a Web form. (Line numbers are included for reference only.)  01 string strQuery = "select * from Products;" 02 + "select * from Categories";  03 SqlCommand cmd = new SqlCommand(strQuery, cnn);  04 cnn.Open();  05 SqlDataReader rdr = cmd.ExecuteReader();  06  07 rdr.Close();  08 cnn.Close();  You need to ensure that the gvProducts and gvCategories GridView controls display the data that is contained in the following two database tables:  ¡¤The Products database tabl  ¡¤The Categories database tabl  | English | Chinese | Japan | Korean | - 46 - Test Information Co., Ltd. All rights reserved. Which code segment should you insert at line 06?（）