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performance issue in listbox

Posted Date: 21 Jan 2008 Total Responses: 1

Posted By: prasannakumar Member Level: Gold Points: 2

hi,
i am remove the item in listbox using arraylist and for loop. for loop is decrease application performance. any other alternative solution for this?

This is my code

Private Sub cmdDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdDelete.Click
dim oArrlist as new Arraylist
Try
'load the item into arraylist.
For i = 0 To ListBox1.Items.Count - 1
If (ListBox1.Items(i).Selected = True) Then
oArrlis.Add(ListBox1.SelectedItem.Text)
End If
Next
'Remove the item
For j = 0 To oArrlis.Count - 1
If (oArrlis.Count <> 0) Then
ListBox1.Items.Remove(oArrlis(j).ToString())
End If
Next
Catch ex As Exception
ex.Message.ToString()
End Try
End Sub

Responses

Author: Shanmugam 21 Jan 2008 Member Level: Gold Rating: Points: 2

Use for each .


 For Each item As ListItem In ListBox1.Items
            If (item.Selected) Then
                oArrlis.Add(item.Text)

            End If
        Next

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