It's a very simple problem and should be listed in the foreach command reference. You can not remove member of a collection while enumerating it.
See
Re: MisUnderstanding FOR EACH Thread #
1329767 Message #
1329799>This seemingly simply process is throwing the error:
>
>
>Collection was modified; enumeration operation might not execute.
>
>
>Here's the code:
>
>
>public void ClearDataStore(string DataViewName)
>{
> DataViewName = DataViewName.ToString().ToLower().Trim();
>
> foreach (DataRow Row in _dsDataStore.Tables[0].Rows)
> {
> if (Row["DataViewname"].ToString().ToLower().Trim() == DataViewName)
> {
> Row.Delete();
> }
> }
>
> _dsDataStore.Tables[0].AcceptChanges();
>}
>
>
>What's the right way to remove rows from a DataSet????
If it's not broken, fix it until it is.
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