need help for checkboxlist

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sir, i have a checkboxlist. i need that when i select one checkbox then all other checkbox are readonly property. it means. only one checkbox is selected at one time. untill i am not refresh my page. how can i do it.

Posted 10-Sep-14 23:15pm

TCS54321

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Nelek 11-Sep-14 5:20am

What have you tried?[^]
How to ask a question?[^]

hypermellow 11-Sep-14 5:38am

Why the need to use a checkboxes, when the desired behaviour is provided by a radio button control?
... there is a RadioButtonList control available.

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Gihan Liyanage · Answer 1 · 2014-09-11T00:06:00

Radio buttons has the way to achieve this result, but you still wanted to do this then, Handle the CheckBox.CheckedChanged event with the same sub for all four checkboxes

VB

Private Sub CheckBox1_CheckedChanged(sender As System.Object, e As System.EventArgs) _
    Handles CheckBox1.CheckedChanged, CheckBox2.CheckedChanged, CheckBox3.CheckedChanged, CheckBox4.CheckedChanged
    'cast sender
    Dim senderCheck As CheckBox = DirectCast(sender, CheckBox)

    'loop through all checkboxes
    For Each checkbox In {CheckBox1, CheckBox2, CheckBox3, CheckBox4}

        'only apply changes to non-sender  boxes
        If checkbox IsNot senderCheck Then

            'set property to opposite of sender so you can renable when unchecked
            checkbox.Enabled = Not senderCheck.Checked
        End If
    Next
End Sub