private static void Filter(ref VirtualDataTable aTable, string RowFilter, ref bool TableNeedsDispose, string aName)
{
RowFilter = RowFilter.Trim();
if (string.IsNullOrEmpty(RowFilter))
{
if (aTable.TableName != aName)
{
VirtualDataTable nTable = aTable.FilterData(aName, null);
if (aTable != null && TableNeedsDispose)
{
aTable.Dispose();
}
aTable = nTable;
TableNeedsDispose = true;
}
return;
}
int fPos = RowFilter.IndexOf(ReportTag.StrOpenParen);
if (fPos > 2)
{
if (String.Equals(RowFilter.Substring(0, fPos).Trim(), ReportTag.ConfigTag(ConfigTagEnum.Distinct), StringComparison.InvariantCultureIgnoreCase))
{
if (RowFilter[RowFilter.Length - 1] != ReportTag.StrCloseParen)
{
FlxMessages.ThrowException(FlxErr.ErrInvalidFilterParen, RowFilter);
}
VirtualDataTable bTable = aTable.GetDistinct(aName, GetColumnsForDistinct(aTable, RowFilter.Substring(fPos + 1, RowFilter.Length - fPos - 2)));
if (aTable != null && TableNeedsDispose)
{
aTable.Dispose();
}
aTable = bTable;
TableNeedsDispose = true;
return;
}
}
VirtualDataTable cTable = aTable.FilterData(aName, RowFilter);
if (aTable != null && TableNeedsDispose)
{
aTable.Dispose();
}
aTable = cTable;
TableNeedsDispose = true;
}
/// <summary>
/// Call this method ONLY if the collection owns the objects.
/// As this is not always the case, we cannot follow a more common Dispose pattern.
/// </summary>
public void DestroyTables()
{
if (FTable != null && FDisposeVirtualTable)
{
FTable.Dispose();
}
FTable = null;
}