Validating request in WCF - simple field

Question

How to force sending some field in my model ?
I have a following field:

[DataContract(IsRequired=true)]
double x;

However, when I don't define in xml request field x it assigns x=0 . I would like to get effect Bad Request . How to achieve it ?

Answer 1

you can use [Range] attribute someting like this

[DataContract]
public class Test
{
    [DataMember]
    [Range(1, 10)]
    public int Name{ get; set; }
}