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Get selected item from a ComboBox and check its value (VB net)

<%@ Page Language=VB Debug=true %> <script runat=server> Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)     If Not IsPostBack Then         Panel1.Visible = True         Panel2.Visible = False         lblTitle.Text = "Quiz Page"     End If End Sub Sub SubmitBtn_Click(Sender As Object, E As EventArgs)     Dim TotalCorrect as Integer     Panel1.Visible = False     Panel2.Visible = True     lblTitle.Text = "Results Page"     If DDLAnswer1.SelectedItem.Text = "Second" Then         TotalCorrect = TotalCorrect + 1     End If     If DDLAnswer2.SelectedItem.Text = "False" Then         TotalCorrect = TotalCorrect + 1     End If     If DDLAnswer3.SelectedItem.Text = "False" Then         TotalCorrect = TotalCorrect + 1     End If     lblResult.Text = "You scored " & TotalCorrect _         & " out 3 correct." End Sub </SCRIPT> <HTML> <HEAD> <TITLE>Quiz Sample Page</TITLE> </HEAD> <BODY> <form runat="server"> <Font Face="Tahoma"> <asp:Label      id="lblTitle"      runat="server" /> <asp:Panel      id="Panel1"      runat="server" > <asp:Label     id="lblQuestion1"     runat="server"     Text="Question 1" /> <BR> <asp:DropDownList      id="DDLAnswer1"      runat=server>     <asp:ListItem>Hour</asp:ListItem>     <asp:ListItem>Minute</asp:ListItem>     <asp:ListItem>Second</asp:ListItem> </asp:DropDownList> <BR><BR> <asp:Label     id="lblQuestion2"     runat="server"     Font-Bold="True"     Text="Question 2." /> <BR> <asp:DropDownList      id="DDLAnswer2"      runat=server>     <asp:ListItem>True</asp:ListItem>     <asp:ListItem>False</asp:ListItem> </asp:DropDownList> <BR><BR> <asp:Label     id="lblQuestion3"     runat="server"     Font-Bold="True"     Text="Question 3" /> <BR> <asp:DropDownList      id="DDLAnswer3"      runat=server>     <asp:ListItem>True</asp:ListItem>     <asp:ListItem>False</asp:ListItem> </asp:DropDownList> <BR><BR> <asp:button      id="butOK"     text="OK"     Type="Submit"     OnClick="SubmitBtn_Click"      runat="server" /> </asp:Panel> <asp:Panel      id="Panel2"      runat="server" > <asp:Label     id="lblResult"     runat="server"     Font-Bold="True" /> </asp:Panel> </Font> </Form> </BODY> </HTML>