error when remove item from combobox

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hi all,
I have a piece of code, I can delete the first value but fails and give notice
InvalidArgument=Value of '0' is not valid for 'index'.
Parameter name: index

VB

Private Sub ComboBox1_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles ComboBox1.KeyDown
     If ComboBox1.Items.Count > 0 Then
         If e.KeyCode = Keys.Delete Then
             ComboBox1.Items.Remove(ComboBox1.SelectedItem)
             'or
             'ComboBox1.Items.RemoveAt(ComboBox1.SelectedIndex)
         End If
     End If
 End Sub

thank help !

Posted 1-Apr-14 4:07am

mr.fugio

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Abhinav S · Answer 1 · 2014-04-01T04:18:00

Solution 1

After you delete the first item, selected index points to 0 which is not a valid index.
Set the selected item to a valid value and then delete again.

Posted 1-Apr-14 4:18am

Abhinav S

mr.fugio · Answer 2 · 2014-04-01T04:44:00

Solution 3

SQL

I declare If  ComboBox1.SelectedIndex > 0 Then
Can not delete the first value

Posted 1-Apr-14 4:44am

mr.fugio