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Thread: Need Help Updating Items in a ListBox

  1. #1

    Thread Starter
    Junior Member
    Join Date
    Mar 2010
    Posts
    16

    Need Help Updating Items in a ListBox



    Code:
            If strCustomerOrder = "A1#" Then
                decSubtotal = ANTACID_ONE
                mintQuantity += 1
                ShoppingCartForm.lstShoppingCart.Items.Add(("     A1" & vbTab & vbTab & "Alka-Seltzer Antacid" _
                                                           & vbTab & vbTab & mintQuantity & vbTab _
                                                           & "     $" & ANTACID_ONE).ToString())
                BuyItemSoundEffect()
                lblKeypadScreen.Text = String.Empty
    Need Help! I want my listbox to not display duplicate items. I just want it to update the quantity(Qty.) I need help figuring this out. Any suggestions?
    Attached Images Attached Images  

  2. #2
    eXtreme Programmer .paul.'s Avatar
    Join Date
    May 2007
    Location
    Chelmsford UK
    Posts
    26,413

    Re: Need Help Updating Items in a ListBox

    try this:

    vb Code:
    1. If strCustomerOrder = "A1#" Then
    2.             decSubtotal = ANTACID_ONE
    3.             mintQuantity += 1
    4.             If ShoppingCartForm.lstShoppingCart.FindStringExact("     A1" & vbTab & vbTab & "Alka-Seltzer Antacid" _
    5.                                                        & vbTab & vbTab & mintQuantity - 1 & vbTab _
    6.                                                        & "     $" & ANTACID_ONE) <> -1 Then
    7.                 ShoppingCartForm.lstShoppingCart.Items.Remove("     A1" & vbTab & vbTab & "Alka-Seltzer Antacid" _
    8.                                                        & vbTab & vbTab & mintQuantity - 1 & vbTab _
    9.                                                        & "     $" & ANTACID_ONE)
    10.             End If
    11.             ShoppingCartForm.lstShoppingCart.Items.Add(("     A1" & vbTab & vbTab & "Alka-Seltzer Antacid" _
    12.                                                        & vbTab & vbTab & mintQuantity & vbTab _
    13.                                                        & "     $" & ANTACID_ONE).ToString())
    14.             BuyItemSoundEffect()
    15.             lblKeypadScreen.Text = String.Empty

  3. #3

    Thread Starter
    Junior Member
    Join Date
    Mar 2010
    Posts
    16

    Re: Need Help Updating Items in a ListBox

    Dude you rock!it worked.Thanks a lot

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