You are developing WPF application for managing student information... btnSort and a DataGrid control named dgStudents on the design surface of the MainWindow.xaml properties : FirstName and LastName. You create the following code segment in the constructor of...<br /> <img src="https://img.ppkao.com/2018-07/yiyu/2018072716084687738.jpg" /><br /> The DataGrid control displays the list of students unsorted.<br /> You need to ensure that the list of students is sorted by last name.<br /> Which code segment should you add to the click event handler of the Button control？（）<p> You are developing WPF application for managing student information... btnSort and a DataGrid control named dgStudents on the design surface of the MainWindow.xaml properties : FirstName and LastName. You create the following code segment in the constructor of...<br /> <img src="https://img.ppkao.com/2018-07/yiyu/2018072716084687738.jpg" /><br /> The DataGrid control displays the list of students unsorted.<br /> You