How to convert query string parameters to route in asp net mvc 4

Introduction

ASP.NET is a popular programming language used for building web . One task in ASP.NET MVC is converting query string to routes. In this article, we will explore how to this in ASP.NET MVC 4.

Understanding Query String Parameters

Query string parameters are key-value pairs that are appended to the URL of a web page. They are used to pass data from one page to another. For example, consider the following URL:

https://example.com/products?id=123&category=electronics

In this URL, the query string parameters are “id” and “category” with values “123” and “electronics” respectively.

Converting Query String Parameters to Routes

In ASP.NET MVC 4, you can convert query string parameters to routes by defining routes in the RouteConfig.cs file. The RouteConfig.cs file is located in the App_Start folder of your ASP.NET MVC project.

Open the RouteConfig.cs file and add the following code:

public static void RegisterRoutes(RouteCollection routes)
{
    routes.IgnoreRoute("{}.axd/{*pathInfo}");

    routes.MapRoute(
        name: "Product",
        url: "products/{id}/{category}",
        defaults: new { controller = "Product", action = "Details" }
    );

    // Other routes...

    routes.MapRoute(
        name: "Default",
        url: "{controller}/{action}/{id}",
        defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
    );
}

In the above code, we have two routes. The first route is for the “Product” controller and maps the URL pattern “products/{id}/{category}” to the “Details” action method of the “Product” controller. The route is the default route that maps the URL pattern “{controller}/{action}/{id}” to the corresponding controller and action.

Using the Converted Routes

Once the routes are defined, you can use them in your views or controllers. For example, to generate a URL with query string parameters converted to routes, you can use the following code:

@Html.("View Product", "Details", "Product", new { id = 123, category = "electronics" }, null)

In the above code, we are using the Html.ActionLink method to generate a link to the “Details” action of the “Product” controller. The query string parameters “id” and “category” are passed as route values.

Conclusion

In this article, we have explored how to convert query string parameters to routes in ASP.NET MVC 4. By defining routes in the RouteConfig.cs file and using the appropriate helper methods, you can easily convert query string parameters to routes and enhance the user experience of your web .

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