Get selected item from a ComboBox and check its value (VB.net) : ComboBox « Asp Control « ASP.Net





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>

           
       










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