AttributeCollection.Add(String, String) AttributeCollection.Add(String, String) AttributeCollection.Add(String, String) AttributeCollection.Add(String, String) Method

Definizione

Aggiunge un attributo a un oggetto AttributeCollection del controllo server.Adds an attribute to a server control's AttributeCollection object.

public:
 void Add(System::String ^ key, System::String ^ value);
public void Add (string key, string value);
member this.Add : string * string -> unit
Public Sub Add (key As String, value As String)

Parametri

key
String String String String

Nome dell'attributo.The attribute name.

value
String String String String

Valore dell'attributo.The attribute value.

Esempi

Nell'esempio seguente viene illustrato come utilizzare il Add metodo a livello di codice aggiungere un attributo a un controllo server ASP.NET AttributeCollection oggetto.The following example shows how to use the Add method to programmatically add an attribute to an ASP.NET server control AttributeCollection object.

<%@ 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">
 
    protected void SubmitBtn_Click(object sender, EventArgs e)
    {
        firstselect.Attributes.Add("Multiple", "True");
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>AttributeCollection Example</title>
</head>

 <body>
    <form id="form1" runat="server">
    <div>
    Make a selection:
    <select id="firstselect" 
            runat="server">
       <option>This</option>
       <option>That</option>
       <option>Other</option>
    </select>
    <br/><br/>

    <input type="submit" 
           id="submitbtn"
           value="modify attribute" 
           onserverclick="SubmitBtn_Click" 
           runat="server"/>
    </div>
 </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">
 
    Protected Sub SubmitBtn_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        FirstSelect.Attributes.Add("Multiple", "True")
    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>AttributeCollection Example</title>
</head>

 <body>
    <form id="form1" runat="server">
    <div>
    Make a selection:
    <select id="firstselect" 
            runat="server">
       <option>This</option>
       <option>That</option>
       <option>Other</option>
    </select>
    <br/><br/>

    <input type="submit" 
           id="submitbtn"
           value="modify attribute" 
           onserverclick="submitbtn_click" 
           runat="server"/>
    </div>
 </form>
 </body>
 </html>

Commenti

Se la stringa nel value parametro contiene una carattere e commerciale (&), il codifica automaticamente.If the string in the value parameter contains an ampersand (&), the character is automatically encoded. La rappresentazione risultante nell'HTML è "&".The resulting HTML representation is "&".

Si applica a

Vedi anche