aspnet webapi bind query string to object

Question

<HttpGet()>
Public Function Search(<FromUri()> ByVal name As Name) As HttpResponseMessage
  // get params from complex type
  // or check for model validation
  name.firstName;
  name.lastName;
End Function

Public Class Name
 <Required()>
 Public firstName As String
 <Required()>
 Public lastName As String
End Class

/api/abc/search?firstName=jack&lastName=daniels

I am trying to send a comlex type as a query parameter but name is always null even though I am using fromUri attribute. What am I missing?

EDIT: I am also using Required() attribute from System.ComponentModel.DataAnnotations .

This is for a web service right? Do you have a specific example you're working from? From my experience webservice params are parsed individually — Andrew Walters
– Andrew Walters, Commented Sep 8, 2012 at 3:15
yes, web service. when I test this as a separate example, it works fine,too. I dont know why it doesnt run in my project. — Timuçin
– Timuçin, Commented Sep 8, 2012 at 18:19

Timuçin · Accepted Answer · 2012-09-09 22:51:18Z

1

I found the problem. I was missing the Property keywords on my fields.

Public Class Name
 <Required()>
 Public firstName As String
 <Required()>
 Public lastName As String
End Class

So, it worked with the following change.

Public Class Name
 <Required()>
 Public Property firstName As String
 <Required()>
 Public Property lastName As String
End Class

The problem solved. I think, without properties, the class does not expose its fields, so I cant read them from uri.

answered Sep 9, 2012 at 22:51

Timuçin

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