HtmlTable.HtmlTableRowControlCollection.Add(Control) Yöntem
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Belirtilen Control nesneyi koleksiyona ekler.
public:
override void Add(System::Web::UI::Control ^ child);
public override void Add (System.Web.UI.Control child);
override this.Add : System.Web.UI.Control -> unit
Public Overrides Sub Add (child As Control)
Parametreler
Özel durumlar
Eklenen denetim türünde HtmlTableRowolmalıdır.
Örnekler
Aşağıdaki kod örneği, bir tabloya satırlar eklendiğinde her zaman tablonun satır koleksiyonunun başına eklenmesi için yöntemini geçersiz kılan Add özel HtmlTable.HtmlTableRowControlCollection bir koleksiyonun nasıl oluşturulacağını gösterir. Özel Add yöntemin 0'a eşit parametresiyle temel sınıfın AddAt yöntemini nasıl çağıran dikkat index
edin.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ 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">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Custom HtmlTable - CustomHtmlTableRowControlCollection Example</title>
</head>
<body>
<form id="Form1"
method="post"
runat="server">
<h3>Custom HtmlTable - CustomHtmlTableRowControlCollection Example</h3>
<aspSample:CustomHtmlTableRowControlCollection
id="HtmlTable1"
name="HtmlTable1"
runat="server"
border="1"
cellSpacing="0"
cellPadding="5">
<tr>
<td>1,1</td>
<td>1,2</td>
<td>1,3</td>
</tr>
<tr>
<td>2,1</td>
<td>2,2</td>
<td>2,3</td>
</tr>
<tr>
<td>3,1</td>
<td>3,2</td>
<td>3,3</td>
</tr>
</aspSample:CustomHtmlTableRowControlCollection>
</form>
</body>
</html>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Custom HtmlTable - CustomHtmlTableRowControlCollection Example</title>
</head>
<body>
<form id="Form1"
method="post"
runat="server">
<h3>Custom HtmlTable - CustomHtmlTableRowControlCollection Example</h3>
<aspSample:CustomHtmlTableRowControlCollection
id="HtmlTable1"
name="HtmlTable1"
runat="server"
border="1"
cellSpacing="0"
cellPadding="5">
<tr>
<td>1,1</td>
<td>1,2</td>
<td>1,3</td>
</tr>
<tr>
<td>2,1</td>
<td>2,2</td>
<td>2,3</td>
</tr>
<tr>
<td>3,1</td>
<td>3,2</td>
<td>3,3</td>
</tr>
</aspSample:CustomHtmlTableRowControlCollection>
</form>
</body>
</html>
using System.Web;
using System.Web.UI;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
public class CustomHtmlTableRowControlCollection : System.Web.UI.HtmlControls.HtmlTable
{
protected override ControlCollection CreateControlCollection()
{
return new MyHtmlTableRowControlCollection(this);
}
protected class MyHtmlTableRowControlCollection : ControlCollection
{
internal MyHtmlTableRowControlCollection(Control owner) : base(owner) { }
public override void Add(Control child)
{
// Always add new rows at the top of the table.
base.AddAt(0, child);
}
}
}
}
Imports System.Web
Imports System.Web.UI
Imports System.Security.Permissions
Namespace Samples.AspNet.VB.Controls
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomHtmlTableRowControlCollection
Inherits System.Web.UI.HtmlControls.HtmlTable
Protected Overrides Function CreateControlCollection() As System.Web.UI.ControlCollection
Return New MyHtmlTableRowControlCollection(Me)
End Function
Protected Class MyHtmlTableRowControlCollection
Inherits ControlCollection
Friend Sub New(ByVal owner As Control)
MyBase.New(owner)
End Sub
Public Overrides Sub Add(ByVal child As Control)
' Always add new rows at the top of the table.
MyBase.AddAt(0, child)
End Sub
End Class
End Class
End Namespace
Açıklamalar
Eklenen denetim yalnızca bir HtmlTableRow denetim olabilir; aksi takdirde bir ArgumentException özel durum oluşturulur.