private string LambdaExpression(Expression exp)
{
LambdaExpression lambda = exp as LambdaExpression;
var expression = lambda.Body;
MemberType EleType = MemberType.None;
if (expression.NodeType == ExpressionType.MemberAccess) {
return "("+((MemberExpression)expression).Member.Name+"=1)";
}
return CreateSqlElements(expression, ref EleType, true);
}