How to pass multiple parameters to a get method in asp net core

Introduction

ASP.NET is a popular programming language used for building web . One common task in web is passing multiple parameters to a GET in ASP.NET Core. In this article, we will explore different ways to this.

Query Parameters

One way to pass multiple parameters to a GET method is by query parameters. Query parameters are appended to the URL and can be accessed in the controller method using the Request object.


[HttpGet]
public IActionResult Get( param1, string param2)
{
    // Access the parameters here
    return Ok();
}


https://example.com/api/controller?param1=value1&param2=value2

Route Parameters

Another way to pass multiple parameters to a GET method is by using route parameters. Route parameters are defined in the URL and can be accessed directly in the controller method.


[HttpGet("{param1}/{param2}")]
public IActionResult Get(string param1, string param2)
{
    // Access the parameters here
    return Ok();
}

To pass the parameters in the URL, you can include them directly in the URL pattern. For example:


https://example.com/api/controller/value1/value2

Model

Model binding is another approach to pass multiple parameters to a GET method. In this approach, you can create a model class that represents the parameters and ASP.NET Core will automatically bind the from the request to the model .


public class MyModel
{
    public string Param1 { get; set; }
    public string Param2 { get; set; }
}

[HttpGet]
public IActionResult Get(MyModel model)
{
    // Access the parameters using the model properties
    return Ok();
}

To pass the parameters in the URL, you can include them as query parameters or route parameters. For example:


https://example.com/api/controller?param1=value1&param2=value2

or


https://example.com/api/controller/value1/value2

Conclusion

Passing multiple parameters to a GET method in ASP.NET Core can be achieved using query parameters, route parameters, or model binding. Choose the approach that best suits your application's requirements and design.

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