CODEWITHSUNDEEP
c#asp.net.netasp.net-mvcasp.net-web-api
Nadav Miller
Nadav Miller

Reputation: 491

Web API 2 controller does not accept QueryString parameters

I have a GET() controller to retrieve a list of entities. I want to pass a parameter to the action to filter the list of objects returned as follows:

Mysite.com/Users?nameContains=john

This is my action definition:

public IEnumerable<object> Get(string nameContains)
{
    // I want to use nameContains here
}

I get an error:

The requested resource does not support http method 'GET'.

If I revert the method to not get that parameter, it works.

Upvotes: 1

Views: 1783

Answers (3)

Nadav Miller
Nadav Miller

Reputation: 491

Sorry, it was my mistake, I used 2 parameters and I didn't pass one of them (nor assigned it a default value) so it returned an error. Cheers.

Upvotes: 1

chridam
chridam

Reputation: 103305

You can add a new route to the WebApiConfig entries.

For instance, your method definition:

public IEnumerable<object> Get(string nameContains)
{
    // I want to use nameContains here
}

add:

config.Routes.MapHttpRoute(
    name: "GetSampleObject",
    routeTemplate: "api/{controller}/{nameContains}"
);

Then add the parameters to the HTTP call:

GET //<service address>/Api/Data/test

or use HttpUtility.ParseQueryString in your method

// uri: /Api/Data/test 
public IEnumerable<object> Get()
{
    NameValueCollection nvc = HttpUtility.ParseQueryString(Request.RequestUri.Query);
    var contains = nvc["nameContains"];
    // BL with nameContains here
}

Upvotes: 0

ssilas777
ssilas777

Reputation: 9804

Try this 

public IEnumerable<object> Get([FromUri] string nameContains)
{
    // I want to use nameContains here
}

Also since you are working in Web Api 2, you can make use of attribute routing

[Route("users")]
public IEnumerable<object> Get([FromUri] string nameContains)
{

Upvotes: 1

Related Questions