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How to disable particular combobox items

• • Reply

  1 year ago

  by faysal_002299

  Kamrul Hasan

  , Korea

  Joined 1 year ago

  hi i'm using vb.net 2003 version.I have added 4 items to the list using collection property.On some condition i need to disable a particular item (say for ex. item no 2) in the combo box list items so that user can't able to select this item.
  
  pls suggest me the solution.
  

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• • Reply

  1 year ago

  by barma

  barma

  , India

  Joined 1 year ago

   

  Hello,

  There is no direct method to disable a particular list item. However, the simplest thing you can try is to

   to store index of the selected item in a variable. In case  if you don't like the change you reset it to the

  previous recorded index. Look at the given code snippet:

  BEGIN CODE

  Dim index As Integer

  Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

  Me.ComboBox1.Items.Add("First")

  Me.ComboBox1.Items.Add("Second")

  Me.ComboBox1.Items.Add("Third")

  Me.ComboBox1.Items.Add("Fourth")

  Me.ComboBox1.Items.Add("Fifth")

  Me.ComboBox1.SelectedIndex = 0

  index = Me.ComboBox1.SelectedIndex

  End Sub

  Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles

  ComboBox1.SelectedIndexChanged

  If Me.ComboBox1.SelectedItem = "Fifth" Then

  Me.ComboBox1.SelectedIndex = index

  Else

  index = Me.ComboBox1.SelectedIndex

  End If

  End Sub

  
  Try the code in a sample application by only dropping a Combo box. I believe this should help.

  Regards,

  Allen

  Allen Smith
  ComponentOne LLC
  www.componentone.com

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