NavigationManager 시트

MyNavigationManager.Uri
#> https://localhost:5001/counter/3?q=hi

MyNavigationManager.BaseUri`
#> https://localhost:5001/

MyNavigationManager.NavigateTo("http://new location")
#> Navigates to new location

MyNavigationManager.LocationChanged
#> An event that fires when the navigation location has changed.

MyNavigationManager.ToAbsoluteUri("pepe")
#> https://localhost:5001/pepe

MyNavigationManager.ToBaseRelativePath( MyNavigationManager.BaseUri)
#> counter/3?q=hi

Helper: AddQueryParm( "q2", "bye" )
#> https://localhost:5001/counter/3?q=hi&q2=bye

Helper: GetQueryParm( "q" )
#> hi

@code {
    [Parameter]
    public string Id { get; set; }

    // blazor: add parm to url
    string AddQueryParm(string parmName, string parmValue)
    {
        var uriBuilder = new UriBuilder(MyNavigationManager.Uri);
        var q = System.Web.HttpUtility.ParseQueryString(uriBuilder.Query);
        q[parmName] = parmValue;
        uriBuilder.Query = q.ToString();
        var newUrl = uriBuilder.ToString();
        return newUrl;
    }

    // blazor: get query parm from url
    string GetQueryParm(string parmName)
    {
        var uriBuilder = new UriBuilder(MyNavigationManager.Uri);
        var q = System.Web.HttpUtility.ParseQueryString(uriBuilder.Query);
        return q[parmName] ?? "";
    }
}