private void cbConnection_SelectedIndexChanged(object sender, EventArgs e)
{
_actScriptingDbReg = cbConnection.SelectedItem as DBRegistrationClass;
_ac = new AutocompleteClass(fcbSQL, _actScriptingDbReg);
_ac.RefreshAutocompleteForDatabase();
// _ac2 = new AutocompleteClass(fcbCommands, _actScriptingDbReg);
_ac.AssignToObject(fcbCommands);
}