DetailsView.ChangeMode(DetailsViewMode) Método
Definición
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.
Cambia el control DetailsView al modo especificado.
public:
void ChangeMode(System::Web::UI::WebControls::DetailsViewMode newMode);
public void ChangeMode (System.Web.UI.WebControls.DetailsViewMode newMode);
member this.ChangeMode : System.Web.UI.WebControls.DetailsViewMode -> unit
Public Sub ChangeMode (newMode As DetailsViewMode)
Parámetros
- newMode
- DetailsViewMode
Uno de los valores de DetailsViewMode.
Ejemplos
En el ejemplo de código siguiente se muestra cómo usar el ChangeMode método para devolver el DetailsView control al modo de solo lectura cada vez que el usuario navega a otro registro.
<%@ Page language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void CustomerDetailView_PageIndexChanged(Object sender, EventArgs e)
{
// By default, if the DetailsView control is in edit mode and
// user navigates to another page, the DetailsView control
// remains in edit mode. In this example, the ChangeMode
// method is used to put the DetailsView control in read-only
// mode whenever the user navigates to another record.
CustomerDetailView.ChangeMode(DetailsViewMode.ReadOnly);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>DetailsView ChangeMode Example</title>
</head>
<body>
<form id="Form1" runat="server">
<h3>DetailsView ChangeMode Example</h3>
<asp:detailsview id="CustomerDetailView"
datasourceid="DetailsViewSource"
datakeynames="CustomerID"
autogenerateeditbutton="true"
autogeneraterows="true"
allowpaging="true"
OnPageIndexChanged="CustomerDetailView_PageIndexChanged"
runat="server">
<fieldheaderstyle backcolor="Navy"
forecolor="White"/>
</asp:detailsview>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the web.config file. -->
<asp:SqlDataSource ID="DetailsViewSource" runat="server"
ConnectionString=
"<%$ ConnectionStrings:NorthWindConnectionString%>"
InsertCommand="INSERT INTO [Customers]([CustomerID],
[CompanyName], [Address], [City], [PostalCode], [Country])
VALUES (@CustomerID, @CompanyName, @Address, @City,
@PostalCode, @Country)"
SelectCommand="Select [CustomerID], [CompanyName],
[Address], [City], [PostalCode], [Country] From
[Customers]">
</asp:SqlDataSource>
</form>
</body>
</html>
<%@ Page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Sub CustomerDetailView_PageIndexChanged(ByVal sender As Object, _
ByVal e As EventArgs)
' By default, if the DetailsView control is in edit mode and
' user navigates to another page, the DetailsView control
' remains in edit mode. In this example, the ChangeMode
' method is used to put the DetailsView control in read-only
' mode whenever the user navigates to another record.
CustomerDetailView.ChangeMode(DetailsViewMode.ReadOnly)
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>DetailsView ChangeMode Example</title>
</head>
<body>
<form id="Form1" runat="server">
<h3>DetailsView ChangeMode Example</h3>
<asp:detailsview id="CustomerDetailView"
datasourceid="DetailsViewSource"
datakeynames="CustomerID"
autogenerateeditbutton="true"
autogeneraterows="true"
allowpaging="true"
OnPageIndexChanged="CustomerDetailView_PageIndexChanged"
runat="server">
<fieldheaderstyle backcolor="Navy"
forecolor="White"/>
</asp:detailsview>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the web.config file. -->
<asp:SqlDataSource ID="DetailsViewSource" runat="server"
ConnectionString=
"<%$ ConnectionStrings:NorthWindConnectionString%>"
InsertCommand="INSERT INTO [Customers]([CustomerID],
[CompanyName], [Address], [City], [PostalCode], [Country])
VALUES (@CustomerID, @CompanyName, @Address, @City,
@PostalCode, @Country)"
SelectCommand="Select [CustomerID], [CompanyName],
[Address], [City], [PostalCode], [Country] From
[Customers]">
</asp:SqlDataSource>
</form>
</body>
</html>
Comentarios
Use el método para cambiar mediante ChangeMode programación el DetailsView control entre el modo de edición, inserción y solo lectura. Este método también actualiza la CurrentMode propiedad con el modo especificado. En la tabla siguiente se enumeran los distintos valores de modo.
Mode | Descripción |
---|---|
DetailsViewMode.Edit |
El DetailsView control está en modo de edición, lo que permite al usuario actualizar los valores de un registro. |
DetailsViewMode.Insert |
El DetailsView control está en modo de inserción, lo que permite al usuario agregar un nuevo registro al origen de datos. |
DetailsView.ReadOnly |
El DetailsView control está en modo de solo lectura, que es el modo de presentación normal. |