This documentation is archived and is not being maintained.
AttributeCollection.Add Method
.NET Framework 1.1
Adds an attribute to a server contol's AttributeCollection object.
[Visual Basic] Public Sub Add( _ ByVal key As String, _ ByVal value As String _ ) [C#] public void Add( string key, string value ); [C++] public: void Add( String* key, String* value ); [JScript] public function Add( key : String, value : String );
Parameters
- key
- The index assigned to the new attribute in the collection.
- value
- The attribute to store in the collection.
Remarks
A typical scenario for you to use this method is when users personalize pages they frequently visit.
Example
[Visual Basic, C#, JScript] The following example demonstrates how to use the Add method to add an attribute to an ASP.NET server control's AttributeCollection programmatically.
[Visual Basic] <html> <script language="VB" runat="server"> Sub SubmitBtn_Click(Src As Object, e As EventArgs) FirstSelect.Attributes.Add("Multiple", "True") End Sub </script> <body> <form runat="server"> <span id="Message" MaintainState="false" runat="server" /> <p> Make a selection: <select id="FirstSelect" padding="1" width="40" style="font: 16pt verdana;background-color:lightblue;color:black;" runat="server"> <option>This</option> <option>That</option> <option>Other</option> </select><br><br> <input type="submit" id="SubmitBtn" OnServerClick="SubmitBtn_Click" runat="server"/> </form> </body> </html> [C#] <html> <script language="C#" runat="server"> void SubmitBtn_Click(Object Src, EventArgs e){ FirstSelect.Attributes.Add("Multiple", "True"); } </script> <body> <form runat="server"> <span id="Message" MaintainState="false" runat="server" /> <p> Make a selection: <select id="FirstSelect" padding="1" width="40" style="font: 16pt verdana;background-color:lightblue;color:black;" runat="server"> <option>This</option> <option>That</option> <option>Other</option> </select><br><br> <input type="submit" id="SubmitBtn" OnServerClick="SubmitBtn_Click" runat="server"/> </form> </body> </html> [JScript] <html> <script language="JScript" runat="server"> function SubmitBtn_Click(Src, e : EventArgs){ FirstSelect.Attributes.Add("Multiple", "True"); } </script> <body> <form runat="server"> <span id="Message" MaintainState="false" runat="server" /> <p> Make a selection: <select id="FirstSelect" padding="1" width="40" style="font: 16pt verdana;background-color:lightblue;color:black;" runat="server"> <option>This</option> <option>That</option> <option>Other</option> </select><br><br> <input type="submit" id="SubmitBtn" OnServerClick="SubmitBtn_Click" runat="server"/> </form> </body> </html>
[C++] No example is available for C++. To view a Visual Basic, C#, or JScript example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family
See Also
AttributeCollection Class | AttributeCollection Members | System.Web.UI Namespace | HtmlControl.Attributes | WebControl.Attributes
Show: