HtmlTable.HtmlTableRowControlCollection Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Represents a collection of HtmlTableRow objects that are the rows of an HtmlTable control.
protected: ref class HtmlTable::HtmlTableRowControlCollection : System::Web::UI::ControlCollectionprotected class HtmlTable.HtmlTableRowControlCollection : System.Web.UI.ControlCollectionProtected Class HtmlTable.HtmlTableRowControlCollection
Inherits ControlCollection- Inheritance
Examples
The following code example demonstrates how to create a custom HtmlTable.HtmlTableRowControlCollection that overrides the Add method so that when rows are added to a table, they are always added at the beginning of the table's row collection.
<%@ 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
Remarks
The HtmlTable.HtmlTableRowControlCollection class represents a collection of HtmlTableRow objects for an HtmlTable control. Controls can be added at the end of the collection with the Add method, or at a specified index location in the collection with the AddAt method. Only controls of type HtmlTableRow can be added to the HtmlTable.HtmlTableRowControlCollection collection.
Properties
| Count |
Gets the number of server controls in the ControlCollection object for the specified ASP.NET server control. (Inherited from ControlCollection) |
| IsReadOnly |
Gets a value indicating whether the ControlCollection object is read-only. (Inherited from ControlCollection) |
| IsSynchronized |
Gets a value indicating whether the ControlCollection object is synchronized. (Inherited from ControlCollection) |
| Item[Int32] |
Gets a reference to the server control at the specified index location in the ControlCollection object. (Inherited from ControlCollection) |
| Owner |
Gets the ASP.NET server control to which the ControlCollection object belongs. (Inherited from ControlCollection) |
| SyncRoot |
Gets an object that can be used to synchronize access to the collection of controls. (Inherited from ControlCollection) |
Methods
| Add(Control) |
Adds the specified Control object to the collection. |
| AddAt(Int32, Control) |
Adds the specified Control object to the collection. The new control is added to the array at the specified index location. |
| Clear() |
Removes all controls from the current server control's ControlCollection object. (Inherited from ControlCollection) |
| Contains(Control) |
Determines whether the specified server control is in the parent server control's ControlCollection object. (Inherited from ControlCollection) |
| CopyTo(Array, Int32) |
Copies the child controls stored in the ControlCollection object to an Array object, beginning at the specified index location in the Array. (Inherited from ControlCollection) |
| Equals(Object) |
Determines whether the specified object is equal to the current object. (Inherited from Object) |
| GetEnumerator() |
Retrieves an enumerator that can iterate through the ControlCollection object. (Inherited from ControlCollection) |
| GetHashCode() |
Serves as the default hash function. (Inherited from Object) |
| GetType() |
Gets the Type of the current instance. (Inherited from Object) |
| IndexOf(Control) |
Retrieves the index of a specified Control object in the collection. (Inherited from ControlCollection) |
| MemberwiseClone() |
Creates a shallow copy of the current Object. (Inherited from Object) |
| Remove(Control) |
Removes the specified server control from the parent server control's ControlCollection object. (Inherited from ControlCollection) |
| RemoveAt(Int32) |
Removes a child control, at the specified index location, from the ControlCollection object. (Inherited from ControlCollection) |
| ToString() |
Returns a string that represents the current object. (Inherited from Object) |
Extension Methods
| Cast<TResult>(IEnumerable) |
Casts the elements of an IEnumerable to the specified type. |
| OfType<TResult>(IEnumerable) |
Filters the elements of an IEnumerable based on a specified type. |
| AsParallel(IEnumerable) |
Enables parallelization of a query. |
| AsQueryable(IEnumerable) |
Converts an IEnumerable to an IQueryable. |
