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Exam : Microsoft 70-562
Title : TS: MS .NET Framework 3.5, ASP.NET Application Development


1. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a composite custom control named MyControl.
You need to add an instance of the OrderFormData control to the MyControl control.
Which code segment should you use?
A. Protected Overloads Overrides Sub _
CreateChildControls()
Controls.Clear()
Dim oFData As New OrderFormData("OrderForm")
Controls.Add(oFData)
End Sub
B. Protected Overloads Overrides Sub _
RenderContents(ByVal writer As HtmlTextWriter)
Dim oFData As New OrderFormData("OrderForm")
oFData.RenderControl(writer)
End Sub
C. Protected Overloads Overrides Sub _
EnsureChildControls()
Controls.Clear()
Dim oFData As New OrderFormData("OrderForm")
oFData.EnsureChildControls()
If Not ChildControlsCreated Then
CreateChildControls()
End If
End Sub
D. Protected Overloads Overrides Function _
CreateControlCollection() As ControlCollection
Dim controls As New ControlCollection(Me)
Dim oFData As New OrderFormData("OrderForm")
controls.Add(oFData)
Return controls
End Function
Answer: A

2. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a Web form and add the following code fragment.
<asp:Repeater ID="rptData" runat="server"
DataSourceID="SqlDataSource1"
ItemDataBound="rptData_ItemDataBound">
<ItemTemplate>
<asp:Label ID="lblQuantity" runat="server"
Text='<%# Eval("QuantityOnHand") %>' />
</ItemTemplate>
</asp:Repeater>
The SqlDataSource1 DataSource control retrieves the Quantity column values from a table named Products.
You write the following code segment to create the rptData_ItemDataBound event handler. (Line numbers are included for reference only.)
01 Protected Sub rptData_ItemDataBound(ByVal sender As Object, _
02 ByVal e As RepeaterItemEventArgs)
03
04 If lbl IsNot Nothing Then
05 If Integer.Parse(lbl.Text) < 10 Then
06 lbl.ForeColor = Color.Red
07 End If
08 End If
09 End Sub
You need to retrieve a reference to the lblQuantity Label control into a variable named lbl.
Which code segment should you insert at line 03?
A. Dim lbl As Label = _
TryCast(Page.FindControl("lblQuantity"), Label)
B. Dim lbl As Label = _
TryCast(e.Item.FindControl("lblQuantity"), Label)
C. Dim lbl As Label = _
TryCast(rptData.FindControl("lblQuantity"), Label)
D. Dim lbl As Label = _
TryCast(e.Item.Parent.FindControl("lblQuantity"), Label)
Answer: B

3. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a Web page that contains the following two XML fragments. (Line numbers are included for reference only.)
01 <script runat="server">
02
03 </script>
04 <asp:ListView ID="ListView1" runat="server"
05 DataSourceID="SqlDataSource1"
06
07 >
08 <ItemTemplate>
09 <td>
10 <asp:Label ID="LineTotalLabel" runat="server"
11 Text='<%# Eval("LineTotal") %>' />
12 </td>
13 </ItemTemplate>
The SqlDataSource1 object retrieves the data from a Microsoft SQL Server 2005 database table. The database table has a column named LineTotal.
You need to ensure that when the size of the LineTotal column value is greater than seven characters, the column is displayed in red color.
What should you do?
A. Insert the following code segment at line 06.
OnItemDataBound="FmtClr"
Insert the following code segment at line 02.
Protected Sub FmtClr(ByVal sender As Object, _ByVal e As ListViewItemEventArgs)
Dim LineTotal As Label = _
DirectCast(e.Item.FindControl("LineTotalLabel"), Label)
If LineTotal IsNot Nothing Then
If LineTotal.Text.Length > 7 Then
LineTotal.ForeColor = Color.Red
Else
LineTotal.ForeColor = Color.Black
End If
End If
End Sub
B. Insert the following code segment at line 06.
OnItemDataBound="FmtClr"
Insert the following code segment at line 02.
Protected Sub FmtClr(ByVal sender As Object, _ByVal e As ListViewItemEventArgs)
Dim LineTotal As Label = _
DirectCast(e.Item.FindControl("LineTotal"), Label)
If LineTotal.Text.Length > 7 Then
LineTotal.ForeColor = Color.Red
Else
LineTotal.ForeColor = Color.Black
End If
End Sub
C. Insert the following code segment at line 06.
OnDataBinding="FmtClr"
Insert the following code segment at line 02.
Protected Sub FmtClr(ByVal sender As Object, _ByVal e As EventArgs)
Dim LineTotal As New Label()
LineTotal.ID = "LineTotal"
If LineTotal.Text.Length > 7 Then
LineTotal.ForeColor = Color.Red
Else
LineTotal.ForeColor = Color.Black
End If
End Sub
D. Insert the following code segment at line 06.
OnDataBound="FmtClr"
Insert the following code segment at line 02.
Protected Sub FmtClr(ByVal sender As Object, _ByVal e As EventArgs)
Dim LineTotal As New Label()
LineTotal.ID = "LineTotalLabel"
If LineTotal.Text.Length > 7 Then
LineTotal.ForeColor = Color.Red
Else
LineTotal.ForeColor = Color.Black
End If
End Sub
Answer: A

4. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a custom control named OrderForm.
You write the following code segment.
Public Delegate Sub _
CheckOrderFormEventHandler(ByVal e As EventArgs)
Private Shared ReadOnly CheckOrderFormKey As New Object()
public event CheckOrderFormEventHandler
Public Custom Event CheckOrderForm As CheckOrderFormEventHandler
AddHandler(ByVal value As CheckOrderFormEventHandler)
Events.[AddHandler](CheckOrderFormKey, value)
End AddHandler
RemoveHandler(ByVal value As CheckOrderFormEventHandler)
Events.[RemoveHandler](CheckOrderFormKey, value)
End RemoveHandler
RaiseEvent(ByVal e As EventArgs)
End RaiseEvent
End Event
You need to provide a method that enables the OrderForm control to raise the CheckOrderForm event.
Which code segment should you use?
A. Protected Overridable Sub _
OnCheckOrderForm(ByVal e As EventArgs)
Dim checkOrderForm As CheckOrderFormEventHandler = _
DirectCast(Events(GetType(CheckOrderFormEventHandler)), _
CheckOrderFormEventHandler)
RaiseEvent CheckOrderForm(e)
End Sub
B. Protected Overridable Sub _
OnCheckOrderForm(ByVal e As EventArgs)
Dim checkOrderForm As CheckOrderFormEventHandler = _
TryCast(Events(CheckOrderFormKey), _
CheckOrderFormEventHandler)
RaiseEvent CheckOrderForm(e)
End Sub
C. Private checkOrderForm As New _
CheckOrderFormEventHandler(AddressOf _
checkOrderFormCallBack)
Protected Overridable Sub _
OnCheckOrderForm(ByVal e As EventArgs)
If checkOrderForm IsNot Nothing Then
checkOrderForm(e)
End If
End Sub
D. Private checkOrderForm As New _
CheckOrderFormEventHandler(AddressOf _
checkOrderFormCallBack)
Protected Overridable Sub _
OnCheckOrderForm(ByVal e As EventArgs)
If checkOrderForm IsNot Nothing Then
RaiseBubbleEvent(checkOrderForm, e)
End If
End Sub
Answer: B

5. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 5.
You create a Web form and add the following code fragment.
<asp:Repeater ID="rptData" runat="server" DataSourceID="SqlDataSource1"ItemDataBound="rptData_ItemDataBound">
<ItemTemplate>
<asp:Label ID="lblQuantity" runat="server"
Text='<%# Eval("QuantityOnHand") %>' />
</ItemTemplate>
</asp:Repeater>
The SqlDataSource1 DataSource control retrieves the Quantity column values from a table named Products.
You write the following code segment to create the rptData_ItemDataBound event handler. (Line numbers are included for reference only.)
01 protected void rptData_ItemDataBound(object sender,
02 RepeaterItemEventArgs e)
03 {
04
05 if(lbl != null)
06 if(int.Parse(lbl.Text) < 10)
07 lbl.ForeColor = Color.Red;
08 }
You need to retrieve a reference to the lblQuantity Label control into a variable named lbl.
Which code segment should you insert at line 04?
A. Label lbl = Page.FindControl("lblQuantity") as Label;
B. Label lbl = e.Item.FindControl("lblQuantity") as Label;
C. Label lbl = rptData.FindControl("lblQuantity") as Label;
D. Label lbl = e.Item.Parent.FindControl("lblQuantity") as Label;
Answer: B

6. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create the following controls:
·A composite custom control named MyControl.
·A templated custom control named OrderFormData.
You write the following code segment to override the method named CreateChildControls() in the MyControl class. (Line numbers are included for reference only.)
01 protected override void
02 CreateChildControls() {
03 Controls.Clear();
04 OrderFormData oFData = new
05 ?OrderFormData("OrderForm");
06
07 }
You need to add the OrderFormData control to the MyControl control.
Which code segment should you insert at line 06?
A. Controls.Add(oFData);
B. Template.InstantiateIn(this);
Template.InstantiateIn(oFData);
C. Controls.Add(oFData);
this.Controls.Add(oFData);
D. this.TemplateControl = (TemplateControl)Template;
oFData.TemplateControl = (TemplateControl)Template;
Controls.Add(oFData);
Answer: B

7. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a custom control named OrderForm.
You write the following code segment.
public delegate void
CheckOrderFormEventHandler(EventArgs e);
private static readonly object CheckOrderFormKey
= new object();
public event CheckOrderFormEventHandler
CheckOrderForm {
add {
Events.AddHandler(CheckOrderFormKey, value);
}
remove {
Events.RemoveHandler(CheckOrderFormKey,
value);
}
}
You need to provide a method that enables the OrderForm control to raise the CheckOrderForm event.
Which code segment should you use?
A. protected virtual void OnCheckOrderForm(EventArgs e) {
CheckOrderFormEventHandler checkOrderForm =
(CheckOrderFormEventHandler)Events[
typeof(CheckOrderFormEventHandler)];
if (checkOrderForm != null)
checkOrderForm(e);
}
B. protected virtual void OnCheckOrderForm(EventArgs e) {
CheckOrderFormEventHandler checkOrderForm =
Events[CheckOrderFormKey] as CheckOrderFormEventHandler;
if (checkOrderForm != null)
checkOrderForm(e);
}
C. CheckOrderFormEventHandler checkOrderForm =
new CheckOrderFormEventHandler(checkOrderFormCallBack);
protected virtual void OnCheckOrderForm(EventArgs e) {
if (checkOrderForm != null)
checkOrderForm(e);
}
D. CheckOrderFormEventHandler checkOrderForm =
new CheckOrderFormEventHandler(checkOrderFormCallBack);
protected virtual void OnCheckOrderForm(EventArgs e) {
if (checkOrderForm != null)
RaiseBubbleEvent(checkOrderForm, e);
}
Answer: B

8. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a composite custom control named MyControl.
You need to add an instance of the OrderFormData control to the MyControl control.
Which code segment should you use?
A. protected override void CreateChildControls() {
Controls.Clear();
OrderFormData oFData = new OrderFormData("OrderForm");
Controls.Add(oFData);
}
B. protected override void
RenderContents(HtmlTextWriter writer) {
OrderFormData oFData = new OrderFormData("OrderForm");
oFData.RenderControl(writer);
}
C. protected override void EnsureChildControls() {
Controls.Clear();
OrderFormData oFData = new OrderFormData("OrderForm");
oFData.EnsureChildControls();
if (!ChildControlsCreated)
CreateChildControls();
}
D. protected override ControlCollection
CreateControlCollection() {
ControlCollection controls = new ControlCollection(this);
OrderFormData oFData = new OrderFormData("OrderForm");
controls.Add(oFData);
return controls;
}
Answer: A

9. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
Your application has a user control named UserCtrl.ascx. You write the following code fragment to create a Web page named Default.aspx.
<%@ Page Language="VB" AutoEventWireup="true"
CodeFile="Default.aspx.vb" Inherits="_Default" %>
<html>
...
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblHeader" runat="server"></asp:Label>
<asp:Label ID="lbFooter" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
You need to dynamically add the UserCtrl.ascx control between the lblHeader and lblFooter Label controls.
What should you do?
A. Write the following code segment in the Init event of the Default.aspx Web page.
Dim ctrl As Control = LoadControl("UserCtrl.ascx")
Me.Controls.AddAt(1, ctrl)
B. Write the following code segment in the Init event of the Default.aspx Web page.
Dim ctrl As Control = LoadControl("UserCtrl.ascx")
lblHeader.Controls.Add(ctrl)
C. Add a Literal control named Ltrl between the lblHeader and lblFooter label controls.
Write the following code segment in the Init event of the Default.aspx Web page.
Dim ctrl As Control = LoadControl("UserCtrl.ascx")
D. Add a PlaceHolder control named PlHldr between the lblHeader and lblFooter label controls.
Write the following code segment in the Init event of the Default.aspx Web page.
Dim ctrl As Control = LoadControl("UserCtrl.ascx")
PlHldr.Controls.Add(ctrl)
Answer: D

10. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a Web page that contains the following two XML fragments. (Line numbers are included for reference only.)
01 <script runat="server">
02
03 </script>
04 <asp:ListView ID="ListView1" runat="server"
05 DataSourceID="SqlDataSource1"
06
07 >
08 <ItemTemplate>
09 <td>
10 <asp:Label ID="LineTotalLabel" runat="server"
11 Text='<%# Eval("LineTotal") %>' />
12 </td>
13 </ItemTemplate>
The SqlDataSource1 object retrieves the data from a Microsoft SQL Server 2005 database table. The database table has a column named LineTotal.
You need to ensure that when the size of the LineTotal column value is greater than seven characters, the column is displayed in red color.
What should you do?
A. Insert the following code segment at line 06.
OnItemDataBound="FmtClr"
Insert the following code segment at line 02.
protected void FmtClr
(object sender, ListViewItemEventArgs e)
{
Label LineTotal = (Label)
e.Item.FindControl("LineTotalLabel");
if ( LineTotal.Text.Length > 7)
{ LineTotal.ForeColor = Color.Red; }
else
{LineTotal.ForeColor = Color.Black; }
}
B. Insert the following code segment at line 06.
OnItemDataBound="FmtClr"
Insert the following code segment at line 02.
protected void FmtClr
(object sender, ListViewItemEventArgs e)
{
Label LineTotal = (Label)
e.Item.FindControl("LineTotal");
if ( LineTotal.Text.Length > 7)
{LineTotal.ForeColor = Color.Red; }
else
{LineTotal.ForeColor = Color.Black; }
}
C. Insert the following code segment at line 06.
OnDataBinding="FmtClr"
Insert the following code segment at line 02.
protected void FmtClr(object sender, EventArgs e)
{
Label LineTotal = new Label();
LineTotal.ID = "LineTotal";
if ( LineTotal.Text.Length > 7)
{LineTotal.ForeColor = Color.Red; }
else
{ LineTotal.ForeColor = Color.Black; }
}
D. Insert the following code segment at line 06.
OnDataBound="FmtClr"
Insert the following code segment at line 02.
protected void FmtClr(object sender, EventArgs e)
{
Label LineTotal = new Label();
LineTotal.ID = "LineTotalLabel";
if ( LineTotal.Text.Length > 7)
{LineTotal.ForeColor = Color.Red; }
else
{LineTotal.ForeColor = Color.Black; }
}
Answer: A

11. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create the following controls:
·A composite custom control named MyControl.
·A templated custom control named OrderFormData.
You write the following code segment to override the method named CreateChildControls() in the MyControl class. (Line numbers are included for reference only.)
01 Protected Overloads Overrides Sub CreateChildControls()
02 Controls.Clear()
03 Dim oFData As New OrderFormData("OrderForm")
04
05 End Sub
You need to add the OrderFormData control to the MyControl control.
Which code segment should you insert at line 04?
A. Controls.Add(oFData)
B. Template.InstantiateIn(Me)
Template.InstantiateIn(oFData)
C. Controls.Add(oFData)
Me.Controls.Add(oFData)
D. Me.TemplateControl = DirectCast(Template, TemplateControl)
oFData.TemplateControl = DirectCast(Template, TemplateControl)
Controls.Add(oFData)
Answer: B

12. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.
Your application has a user control named UserCtrl.ascx. You write the following code fragment to create a Web page named Default.aspx.
<%@ Page Language="C#" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<html>
...
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblHeader" runat="server"></asp:Label>
<asp:Label ID="lbFooter" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
You need to dynamically add the UserCtrl.ascx control between the lblHeader and lblFooter Label controls.
What should you do?
A. Write the following code segment in the Init event of the Default.aspx Web page.
Control ctrl = LoadControl("UserCtrl.ascx");
this.Controls.AddAt(1, ctrl);
B. Write the following code segment in the Init event of the Default.aspx Web page.
Control ctrl = LoadControl("UserCtrl.ascx");
lblHeader.Controls.Add(ctrl);
C. Add a Literal control named Ltrl between the lblHeader and lblFooter label controls.
Write the following code segment in the Init event of the Default.aspx Web page.
Control ctrl = LoadControl("UserCtrl.ascx");
D. Add a PlaceHolder control named PlHldr between the lblHeader and lblFooter label controls.
Write the following code segment in the Init event of the Default.aspx Web page.
Control ctrl = LoadControl("UserCtrl.ascx");
PlHldr.Controls.Add(ctrl);
Answer: D

13. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create two user controls named UserCtrlA.ascx and UserCtrlB.ascx. The user controls postback to the server.
You create a new Web page that has the following ASPX code.
<asp:CheckBox ID="Chk" runat="server"
oncheckedchanged="Chk_CheckedChanged" AutoPostBack="true" />
<asp:PlaceHolder ID="PlHolder" runat="server"></asp:PlaceHolder>
To dynamically create the user controls, you write the following code segment for the Web page.
public void LoadControls()
{
if (ViewState["CtrlA"] != null)
{
Control c;
if ((bool)ViewState["CtrlA"] == true)
{ c = LoadControl("UserCtrlA.ascx"); }
else
{ c = LoadControl("UserCtrlB.ascx"); }
c.ID = "Ctrl";
PlHolder.Controls.Add(c);
}
}
protected void Chk_CheckedChanged(object sender, EventArgs e)
{
ViewState["CtrlA"] = Chk.Checked;
PlHolder.Controls.Clear();
LoadControls();
}
You need to ensure that the user control that is displayed meets the following requirements:
·It is recreated during postback.
·It retains its state.
Which method should you add to the Web page?
A. protected override object SaveViewState()
{
LoadControls();
return base.SaveViewState();
}
B. protected override void Render(HtmlTextWriter writer)
{
LoadControls();
base.Render(writer);
}
C. protected override void OnLoadComplete(EventArgs e)
{
base.OnLoadComplete(e);
LoadControls();
}
D. protected override void LoadViewState(object savedState)
{
base.LoadViewState(savedState);
LoadControls();
}
Answer: D

14. You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create two user controls named UserCtrlA.ascx and UserCtrlB.ascx. The user controls postback to the server.
You create a new Web page that has the following ASPX code.
<asp:CheckBox ID="Chk" runat="server"
oncheckedchanged="Chk_CheckedChanged" AutoPostBack="true" />
<asp:PlaceHolder ID="PlHolder" runat="server"></asp:PlaceHolder>
To dynamically create the user controls, you write the following code segment for the Web page.
Public Sub LoadControls()
If ViewState("CtrlA") IsNot Nothing Then
Dim c As Control
If CBool(ViewState("CtrlA")) = True Then
c = LoadControl("UserCtrlA.ascx")
Else
c = LoadControl("UserCtrlB.ascx")
End If
c.ID = "Ctrl"
PlHolder.Controls.Add(c)
End If
End Sub
Protected Sub Chk_CheckedChanged(ByVal sender As Object, _
ByVal e As EventArgs)
ViewState("CtrlA") = Chk.Checked
PlHolder.Controls.Clear()
LoadControls()
End Sub
You need to ensure that the user control that is displayed meets the following requirements:
·It is recreated during postback.
·It retains its state.
Which method should you add to the Web page?
A. Protected Overloads Overrides Function _
SaveViewState() As Object
LoadControls()
Return MyBase.SaveViewState()
End Function
B. Protected Overloads Overrides _
Sub Render(ByVal writer As HtmlTextWriter)
LoadControls()
MyBase.Render(writer)
End Sub
C. Protected Overloads Overrides Sub _
OnLoadComplete(ByVal e As EventArgs)
MyBase.OnLoadComplete(e)
LoadControls()
End Sub
D. Protected Overloads Overrides Sub _
LoadViewState(ByVal savedState As Object)
MyBase.LoadViewState(savedState)
LoadControls()
End Sub
Answer: D