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OOT · #1 (**permalink**) 03-10-2008

There might be a better way of doing this (and if so please let me know). But what I am wanting to do is separate my PushPins into separate DataSets. So instead of all of them being in "My Pushpins" I'll have a "Customers" PushPin set and a "Stores" PushPin set.

I'm working in Visual Basic 2005. In a module I've got this code:

Code:

Public mpStores As MapPoint.DataSet

On my Form_Load, I have this code:

Code:

mpStores = objMap.DataSets.AddPushpinSet("My Stores")

I have another procedure that hits a database that returns the Name, Latitude and Longitude of each Store. I loop though this code and output it my window and everything is accurate. However, when I run this code:

Code:

    Dim dt As DataTable = Nothing
    Dim objLoc As MapPoint.Location = Nothing
    Dim objPP As MapPoint.Pushpin = Nothing
    Dim objSym As MapPoint.Symbol = Nothing

    For i = 0 To dt.Rows.Count - 1

        objPP = objMap.AddPushpin(objLoc)
        objPP.Name = dt.Rows(i).Item("upName").ToString.Trim
        objSym = objMap.Symbols.Add(Application.StartupPath + "\images\" & dt.Rows(i).Item("upImage").ToString.Trim)
        objPP.Symbol = objSym.ID

        objPP.MoveTo(mpStores)

    Next

Stepping through the code everything seems to work fine until I get to the last line (objPP.MoveTo(mpStores)). That line creates the following error:

Quote:

Error: Value does not fall within the expected range.

I'm very very new to datasets and don't really understand if what I'm proposing is the best way. I would like to keep them separate unless it is a major issue.

Thank you in advance for any/all help/suggestions/idea's/thoughts/etc. It is very much appreciated.

OOT · #2 (**permalink**) 03-10-2008

OK. My bad. I found the problem. The code I posted is working. But I was calling the database hit (which fills the new DataSet) before I instantiated the new DataSet (in Form_Load).

So now I'm going to go flush my head

and then consider the appropriate method of hari-kari

I'm going to mark this resolved and then go hide in shame.

Self Esteem and Pride

**Mattys Consulting** · #3 (**permalink**) 03-10-2008

OOT,

This is a newsgroup and you showed some effort.
Nothing to feel bad about.

Mike Mattys

**Eric Frost** · #4 (**permalink**) 03-10-2008

Plus that is definitely the most creative use of Smilies here yet! I enjoyed reading..

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Custom DataSet and adding Pushpin???

Custom DataSet and adding Pushpin???

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