I think you should use IEnumerator iHeirarchy = SecurityManager.PolicyHierarchy(); then you can loop each policy level PolicyLevel polLevel = iHeirarchy.Current as PolicyLevel; and then you can get the codegroup by taking polLevel.RootCodeGroup.Children or get the named permission set polLevel.NamedPermissionSets from here you can manipulate whatever you wan't like removing or adding.

Hi! newbie here just asking which of the following code is more efficient 1. DataRow[] dataRowArray = dtDataTable.Select("TableColumn = 1"); foreach(DataRow drRow in dataRowArray) { ...some processing here } OR 2. foreach(DataRow drRow in dtDataTable.Select("TableColumn = 1")) { ...some processing here } my problem here is do I need to put the result in a datarow array to make it more efficient? or not an issue at all?

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Absolutely yes, I've found similar article but was done in VC++ 6.0 and I don't know how to convert it to C#..

Any idea how to disable some items in C# ComboBox?