private void ExecuteBSkyRemoveRefreshDataframe(string stmt)//20Feb2014
{
int start = stmt.IndexOf('(');
int end = stmt.IndexOf(')');
string dataframename = stmt.Substring(start + 1, end - start - 1);
FileCloseCommand fcc = new FileCloseCommand();
fcc.CloseDatasetFromSyntax(dataframename);
}