public string Evaluate(string expression, object row)
{
try {
string s = EvaluationHelper.ExtractExpressionPart(expression);
if (s.Length > 0)
{
this.context.ContextObject = row;
return(EvaluateExpression(s));
}
} catch (Exception e) {
expression = e.Message;
WriteLogMessage(e);
}
return(expression);
}