How to pass multiple parameters into HttpGet Method in ASP.NET CORE MVC?

Question

Is it possible to pass multiple parameters into HttpGet Method? I want to pass Id or Username to get the user's details. But when I try to do it, I got this error:

Microsoft.AspNetCore.Routing.Matching.AmbiguousMatchException: The request matched multiple endpoints. Matches:

AuthenticationAPI.Controllers.AuthenticationController.Details (AuthenticationAPI) AuthenticationAPI.Controllers.AuthenticationController.Detail (AuthenticationAPI) at Microsoft.AspNetCore.Routing.Matching.DefaultEndpointSelector.ReportAmbiguity(CandidateState[] candidateState) at Microsoft.AspNetCore.Routing.Matching.DefaultEndpointSelector.ProcessFinalCandidates(HttpContext httpContext, CandidateState[] candidateState) at Microsoft.AspNetCore.Routing.Matching.DefaultEndpointSelector.Select(HttpContext httpContext, CandidateState[] candidateState) at Microsoft.AspNetCore.Routing.Matching.DfaMatcher.MatchAsync(HttpContext httpContext) at Microsoft.AspNetCore.Routing.Matching.DataSourceDependentMatcher.MatchAsync(HttpContext httpContext) at Microsoft.AspNetCore.Routing.EndpointRoutingMiddleware.Invoke(HttpContext httpContext) at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext) at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider) at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

So, can I know is there any way to do this?

This is totally possible, but would you please paste in your action methods, as the error suggests, that there might be an easy fix, as you seem to have a little routing problem. — Marco
– Marco, Commented Apr 20, 2022 at 20:56

Jeremy Caney · Accepted Answer · 2022-04-21 00:32:40Z

1

Use Attribute Routing

[Route("/api/controller/{parameter}/{id}")] public async
IActionResult(string parameter, int id){

}

edited Apr 21, 2022 at 0:32

Jeremy Caney

7,808115 gold badges58 silver badges86 bronze badges

answered Apr 20, 2022 at 20:47

Tayyab Bhatti

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