you create a microsoft asp net application by using the framework..., Appendix,

Question:You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
The application has a mobile Web form that contains the following ObjectList control:

<mobile:ObjectList ID="ObjectListCtrl"
  OnItemCommand="ObjectListCtrl_ItemCommand" Runat="server">
  <Command Name="CmdDisplayDetails" Text="Details" />
  <Command Name="CmdRemove" Text="Remove" />
</mobile:ObjectList>

You create an event handler named ObjectListCtrl_ItemCommand.
You need to ensure that the ObjectListCtrl_ItemCommand handler detects the selection of the CmdDisplayDetails item.
Which code segment should you write?

A public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
  if (e.CommandName == "CmdDisplayDetails") { }
} 
B public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
  if (e.CommandArgument.ToString() == "CmdDisplayDetails") { }
} 
C public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
 ObjectListCommand cmd = sender as ObjectListCommand;
  if (cmd.Name == "CmdDisplayDetails") { }
} 
D public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
 ObjectListCommand cmd = e.CommandSource as ObjectListCommand;
  if (cmd.Name == "CmdDisplayDetails") { }
}

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A public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) { if (e.CommandName == "CmdDisplayDetails") { }}

B public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) { if (e.CommandArgument.ToString() == "CmdDisplayDetails") { }}

C public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) { ObjectListCommand cmd = sender as ObjectListCommand; if (cmd.Name == "CmdDisplayDetails") { }}

D public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) { ObjectListCommand cmd = e.CommandSource as ObjectListCommand; if (cmd.Name == "CmdDisplayDetails") { }}

A

A public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
if (e.CommandName == "CmdDisplayDetails") { }
}

B public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
if (e.CommandArgument.ToString() == "CmdDisplayDetails") { }
}

C public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
ObjectListCommand cmd = sender as ObjectListCommand;
if (cmd.Name == "CmdDisplayDetails") { }
}

D public void ObjectListCtrl_ItemCommand(object sender, ObjectListCommandEventArgs e) {
ObjectListCommand cmd = e.CommandSource as ObjectListCommand;
if (cmd.Name == "CmdDisplayDetails") { }
}