private static string GetStringRepresentation(object o, bool allowDates, QuerySyntaxHelper escaper = null)
{
if (o == null || o == DBNull.Value)
{
return(null);
}
var s = o as string;
if (s != null && allowDates)
{
DateTime dt;
if (DateTime.TryParse(s, out dt))
{
return(GetStringRepresentation(dt));
}
}
if (o is DateTime)
{
return(GetStringRepresentation((DateTime)o));
}
var str = o.ToString();
if (escaper != null)
{
str = escaper.Escape(str);
}
else
{
str = str.Replace("\"", "\"\"");
}
return(str);
}