RepeaterItemEventArgs Class

Reference

Definition

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Important

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Provides data for the ItemCreated and ItemDataBound events of a Repeater.

public ref class RepeaterItemEventArgs sealed : EventArgs

public ref class RepeaterItemEventArgs : EventArgs

public sealed class RepeaterItemEventArgs : EventArgs

public class RepeaterItemEventArgs : EventArgs

type RepeaterItemEventArgs = class
    inherit EventArgs

Public NotInheritable Class RepeaterItemEventArgs
Inherits EventArgs

Public Class RepeaterItemEventArgs
Inherits EventArgs

Inheritance: Object

EventArgs
RepeaterItemEventArgs

Examples

The following example demonstrates how to specify and code a handler for the ItemCreated event of the Repeater. A new line of text indicating the item type is displayed whenever a Repeater item is created.

ASP.NET (C#)

<%@ Page Language="C#" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script language="C#" runat="server">
    int Count = 1;
    void Page_Load(Object Sender, EventArgs e) 
    {
        if (!IsPostBack) {
            ArrayList values = new ArrayList();
 
            values.Add(new PositionData("Microsoft", "Msft"));
            values.Add(new PositionData("Intel", "Intc"));
            values.Add(new PositionData("Dell", "Dell"));
 
            Repeater1.DataSource = values;
            Repeater1.DataBind();
        }
    }
 
    void R1_ItemCreated(Object Sender, RepeaterItemEventArgs e) 
    {
        String iTypeText = "";
 
        switch (e.Item.ItemType) 
        {
            case ListItemType.Item:
                iTypeText = "Item";
                break;
            case ListItemType.AlternatingItem:
                iTypeText = "AlternatingItem";
                break;
            case ListItemType.Header:
                iTypeText = "Header";
                break;
            case ListItemType.Footer:
                iTypeText = "Footer";
                break;
            case ListItemType.Separator:
                iTypeText = "Separator";
                break;
        }
        Label1.Text += "(" + Count++ + ") A Repeater " + iTypeText + " has been created; <br />";
    }
 
    public class PositionData 
    {
        private string name;
        private string ticker;
 
        public PositionData(string name, string ticker) 
        {
            this.name = name;
            this.ticker = ticker;
        }
 
        public string Name 
        {
            get { return name; }
        }
 
        public string Ticker 
        {
             get { return ticker; }
        }
    }
</script>
 
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Repeater Example</title>
</head>
<body>
    <form id="form1" runat="server">

    <h3>Repeater Example</h3>
 
       <p style="font-weight: bold">Repeater1:</p>
         
       <asp:Repeater ID="Repeater1" OnItemCreated="R1_ItemCreated" runat="server">
          <HeaderTemplate>
             <table border="1">
                <tr>
                   <td style="font-weight:bold">Company</td>
                   <td style="font-weight:bold">Symbol</td>
                </tr>
          </HeaderTemplate>
             
          <ItemTemplate>
             <tr>
                <td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
                <td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %> </td>
             </tr>
          </ItemTemplate>
             
          <FooterTemplate>
             </table>
          </FooterTemplate>
             
       </asp:Repeater>
       <br />
         
       <asp:Label ID="Label1" Font-Names="Verdana" 
          ForeColor="Green" Font-Size="10pt" Runat="server"/>
    </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 language="VB" runat="server">
    Dim Count As Integer = 1

    Sub Page_Load(Sender As Object, e As EventArgs)
        If Not IsPostBack Then
            Dim values As New ArrayList()
            
            values.Add(New PositionData("Microsoft", "Msft"))
            values.Add(New PositionData("Intel", "Intc"))
            values.Add(New PositionData("Dell", "Dell"))
            
            Repeater1.DataSource = values
            Repeater1.DataBind()
        End If
    End Sub

    Sub R1_ItemCreated(Sender As Object, e As RepeaterItemEventArgs)
        Dim iTypeText As String = ""
        
        Select Case e.Item.ItemType
            Case ListItemType.Item
                iTypeText = "Item"
            Case ListItemType.AlternatingItem
                iTypeText = "AlternatingItem"
            Case ListItemType.Header
                iTypeText = "Header"
            Case ListItemType.Footer
                iTypeText = "Footer"
            Case ListItemType.Separator
                iTypeText = "Separator"
        End Select
        Count = Count + 1
        Label1.Text &= "(" & Count & ") A Repeater " & _
            iTypeText & " has been created; <br />"
    End Sub
 
    Public Class PositionData
        
        Private myName As String
        Private myTicker As String        
        
        Public Sub New(newName As String, newTicker As String)
            Me.myName = newName
            Me.myTicker = newTicker
        End Sub        
        
        Public ReadOnly Property Name() As String
            Get
                Return myName
            End Get
        End Property        
        
        Public ReadOnly Property Ticker() As String
            Get
                Return myTicker
            End Get
        End Property
    End Class
    
</script>
 
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Repeater Example</title>
</head>
<body>
    <form id="form1" runat="server">

    <h3>Repeater Example</h3>
 
       <p style="font-weight: bold">Repeater1:</p>
         
       <asp:Repeater ID="Repeater1" OnItemCreated="R1_ItemCreated" runat="server">
          <HeaderTemplate>
             <table border="1">
                <tr>
                   <td style="font-weight:bold">Company</td>
                   <td style="font-weight:bold">Symbol</td>
                </tr>
          </HeaderTemplate>
             
          <ItemTemplate>
             <tr>
                <td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
                <td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %> </td>
             </tr>
          </ItemTemplate>
             
          <FooterTemplate>
             </table>
          </FooterTemplate>
             
       </asp:Repeater>
       <br />
         
       <asp:Label ID="Label1" Font-Names="Verdana" 
          ForeColor="Green" Font-Size="10pt" Runat="server"/>
    </form>
 </body>
 </html>

Remarks

For a list of initial property values for an instance of RepeaterItemEventArgs, see the RepeaterItemEventArgs constructor.

For more information about how to handle events, see Handling and Raising Events.

Constructors

RepeaterItemEventArgs(RepeaterItem)

Initializes a new instance of the RepeaterItemEventArgs class.

Properties

Item	Gets the RepeaterItem associated with the event.

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

Applies to

Продукт	Версии
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

Споделяне чрез