Deleting or Clearing an array

Hi guys

I create an array as follows:

Global vRoleNames()

...
' r is a valid recordset

         If r.RecordCount > 0 Then
            ReDim vRoleNames(r.RecordCount, 2)
             i = 0
             Do While Not r.EOF
    '            AddData r.Fields("txt"), r.Fields("descr")
                vRoleNames(i, 0) = r.Fields("Role")
                vRoleNames(i, 1) = r.Fields("Role_memo")
                i = i + 1
             r.MoveNext
             Loop
         End If

...

Open in new window


Now what I would like to do is empty the array and reuse it ...

How would I do that?
LVL 1
dwe0608Asked:
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Martin LissOlder than dirtCommented:
If you Redim the array again it will be cleared.
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dwe0608Author Commented:
yes, I tried that ...

redim vRoleNames

and it throws an error "syntax error"

I did a little more research and found that the proper syntax appears to be

erase vRoleNames

then redim ... as per inside the code posted ..

does that sound right - it seems to work
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Martin LissOlder than dirtCommented:
You can't just do

vRoleNames

you need instead to Redim with dimensions like you have in your existing code. In the existing code it's Redim-ed as an array with r.recordcount is the number of rows and 2 as the number of columns.
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dwe0608Author Commented:
...
         If r.RecordCount > 0 Then
==>            ReDim vRoleNames(r.RecordCount, 2) <== like this ?
             i = 0
             Do While Not r.EOF
...

Open in new window


so as per the marked code above
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Martin LissOlder than dirtCommented:
Yes, exactly, or as you found out, you can also use Erase.
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Martin LissOlder than dirtCommented:
This article is a good explanation of arrays.
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dwe0608Author Commented:
Thanks greatly Martin
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Martin LissOlder than dirtCommented:
You're welcome and I'm glad I was able to help.

In my profile you'll find links to some articles I've written that may interest you.
Marty - MVP 2009 to 2014
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