Dataform Required Validation: Field Name Required OR Field City Required

Question

 Hi

 I've following Question:

In my Dataform i've a Address with Name, Firstname, Street and City.

I would like that the Field Name OR the Field City is Required. How can I do this?

When I attribute the Field Name and the Field City with [Required()] than are both Fields Required.
But i would the OR Operator.

 Greets

Answer 1

Take a look at the Custom Validation here:

http://msdn.microsoft.com/en-us/magazine/ee335695.aspx

Answer 2

 hey see this link

http://www.silverlightshow.net/items/Creating-Rich-Data-Forms-in-Silverlight-3-Validation.aspx

if it is useful "Please Mark as Answer"

Answer 3

See the link

hope that will help.

Answer 4

Hi,

Write custom validate code in property set method, if the two property are both null, throw ValidationException.

Thanks,