UrlMapping(String, String) Constructor

Referencia

Definición

Espacio de nombres:: System.Web.Configuration

Ensamblado:: System.Web.dll

Importante

Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.

Inicializa una nueva instancia de la clase UrlMapping.

public:
 UrlMapping(System::String ^ url, System::String ^ mappedUrl);

public UrlMapping (string url, string mappedUrl);

new System.Web.Configuration.UrlMapping : string * string -> System.Web.Configuration.UrlMapping

Public Sub New (url As String, mappedUrl As String)

Parámetros

url: String

Dirección URL que se va a mostrar al usuario.

mappedUrl: String

Dirección URL que existe en su aplicación Web.

Ejemplos

En el ejemplo siguiente se usa el UrlMappingsSection del archivo Web.config para asignar dos direcciones URL y se agrega una asignación para una dirección URL adicional. Al modificar y guardar el archivo Web.config, la aplicación se reinicia.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Configuration" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
    int showVal = 0;

    protected void Page_Load(object sender, EventArgs e)
    {
        // Get the parameter value from the QueryString
        if (Request.Params["show"] != null)
            showVal = Int32.Parse(Request.Params["show"]);

        // Show a page depending on the parameter value
        NoShowPanel.Visible = (showVal == 0);
        ShowHomePage.Visible = (showVal == 1);
        ShowProductsPage.Visible = (showVal == 2);
        ShowEventsPage.Visible = (showVal == 3);

        // <Snippet2>
        UrlMapping urlMap = null;
        
        // Open Web.config
        Configuration config =
            WebConfigurationManager.OpenWebConfiguration("~");
        // Get the UrlMappings section
        UrlMappingsSection urlMapSection =
            (UrlMappingsSection)config.GetSection(
                "system.web/urlMappings");
        
        // Modify UrlMapping in Web.config first time through
        if (!Page.IsPostBack)
        {
            // If not already added, add a UrlMapping to the section
            if (urlMapSection.UrlMappings.Count == 2)
            {
                urlMap = new UrlMapping("~/events.aspx", 
                    "~/default.aspx?show=3");
                urlMapSection.UrlMappings.Add(urlMap);
                
                // This line assumes permission to write to disk
                config.Save();
            }
        }

        if (showVal > 0)
        {
            // <Snippet4>
            urlMap = (UrlMapping)urlMapSection.UrlMappings[showVal - 1];
            realURL.Text = urlMap.MappedUrl;
            // </Snippet4>
        }
        // </Snippet2>
    }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>UrlMapping Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    <asp:Panel ID="NoShowPanel" runat="server" Visible="true">
        <h2>Show no page</h2>
        <p><a href="home.aspx">Home.aspx</a></p>
        <p><a href="products.aspx">Products.aspx</a></p>
        <p><a href="events.aspx">Events.aspx</a></p>
    </asp:Panel>
    <asp:Panel ID="ShowHomePage" runat="server" Visible="false">
        <h2>Home Page</h2>
        <p><a href="products.aspx">Products.aspx</a></p>
        <p><a href="events.aspx">Events.aspx</a></p>
    </asp:Panel>
    <asp:Panel ID="ShowProductsPage" runat="server" Visible="false">
        <h2>Products Page</h2>
        <p><a href="home.aspx">Home.aspx</a></p>
        <p><a href="events.aspx">Events.aspx</a></p>
    </asp:Panel>
    <asp:Panel ID="ShowEventsPage" runat="server" Visible="false">
        <h2>Events Page</h2>
        <p><a href="home.aspx">Home.aspx</a></p>
        <p><a href="products.aspx">Products.aspx</a></p>
    </asp:Panel>
    <p>The real URL for this page is 
        <asp:Label ID="realURL" runat="server">[None]</asp:Label></p>

    </div>
    </form>
</body>
</html>

<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Configuration" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
    Dim showVal As Integer

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        ' Get the parameter value from the QueryString
        If Not IsNothing(Request.Params("show")) Then
            showVal = Int32.Parse(Request.Params("show"))
        Else
            showVal = 0
        End If
        
        ' Show a page depending on the parameter value
        NoShowPanel.Visible = (showVal = 0)
        ShowHomePage.Visible = (showVal = 1)
        ShowProductsPage.Visible = (showVal = 2)
        ShowEventsPage.Visible = (showVal = 3)

        ' <Snippet2>
         dim urlMap as UrlMapping

        Dim config As Configuration
        ' Open Web.config
        config = _
            WebConfigurationManager.OpenWebConfiguration("~")
        ' Get the UrlMappings section
        Dim urlMapSection As UrlMappingsSection
        urlMapSection = _
           CType(config.GetSection( _
               "system.web/urlMappings"), UrlMappingsSection)
               
        ' Modify UrlMapping in Web.config first time through
        If (Not Page.IsPostBack) Then
            ' If not already added, add a UrlMapping to the section
            If urlMapSection.UrlMappings.Count = 2 Then
                urlMap = New UrlMapping("~/events.aspx", _
                    "~/default.aspx?show=3")
                urlMapSection.UrlMappings.Add(urlMap)
                
                ' This line assumes permission to write to disk
                config.Save()
            End If
        End If
        
        If showVal > 0 Then
            '<Snippet4>
            urlMap = CType(urlMapSection.UrlMappings(showVal - 1), UrlMapping)
            realURL.Text = urlMap.MappedUrl
            '</Snippet4>
        End If
        ' </Snippet2>
    End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>UrlMapping Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    <asp:Panel ID="NoShowPanel" runat="server" Visible="true">
        <h2>Show no page</h2>
        <p><a href="home.aspx">Home.aspx</a></p>
        <p><a href="products.aspx">Products.aspx</a></p>
        <p><a href="events.aspx">Events.aspx</a></p>
    </asp:Panel>
    <asp:Panel ID="ShowHomePage" runat="server" Visible="false">
        <h2>Home Page</h2>
        <p><a href="products.aspx">Products.aspx</a></p>
        <p><a href="events.aspx">Events.aspx</a></p>
    </asp:Panel>
    <asp:Panel ID="ShowProductsPage" runat="server" Visible="false">
        <h2>Products Page</h2>
        <p><a href="home.aspx">Home.aspx</a></p>
        <p><a href="events.aspx">Events.aspx</a></p>
    </asp:Panel>
    <asp:Panel ID="ShowEventsPage" runat="server" Visible="false">
        <h2>Events Page</h2>
        <p><a href="home.aspx">Home.aspx</a></p>
        <p><a href="products.aspx">Products.aspx</a></p>
    </asp:Panel>
    <p>The real URL for this page is 
        <asp:Label ID="realURL" runat="server">default.aspx</asp:Label></p>

    </div>
    </form>
</body>
</html>

Comentarios

El UrlMapping constructor está pensado principalmente para uso interno por ASP.NET. No es necesario derivar de esta clase y, dado que se puede usar para modificar el archivo Web.config, probablemente nunca tendrá que usarlo en el código.

Se aplica a

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