Compare two arrays- Find what's missing

Hi supersuny2k:
> I have a text box that is split into an array which contains usernames
Not clear.
What do you mean by "split into an array"??
Maybe you can give a concrete example?

Dabas

With the text box,

A list of Usernames are place in the multiline text box, and then I use the split function (chr13) to load this into an Array. e.g sGid = Split(txtGid.Text, Chr(13))

Hope that helps

Cheers

Josh

put them both into a stringcollection ...

pesudo code logic ..

foreach foo in textbox
     if StringCollection2.Contains foo
           its there
     else
           its not
     end if
end for

Uou can loop through array and compare with the item with the same indes in the listbox

The question is how do you write to the listbox. And if you populate the list box from arrya why do you expect that something will be missing?

GregoryYoung,

Can you explain more please

Cheers

Josh

you have an array which came from the split()

you have an array which represents the ones in the listbox (ones found)

make the array of the ones in the listbox a StringCollection instead of an array and just use

for(i=0;i<SplitString.Length;i++) {
   if(ListBoxStringCollection.Contains(SplitString[i])) {
      //its there
   } else {
     //its not
   }
}

If you put up specific code I can show you more.

Greg

doh VB.NET sorry I put it in C#

Hi Greg

Here is my code for splitting the Text Box

        sGid = Split(txtGid.Text, Chr(13))
        For l = LBound(sGid) To UBound(sGid)
            sGidSearch = Replace(sGid(l), Chr(10), "")
        Next

for the List box I am reading the as Selected items, the listbox is  MultiExtended

I see what you mean, but am lost on how to make the listbox a StringCollection, to be honest, I have never used that function

Hope this helps thank you

Josh

Perfect Thank you