TableCell.CreateControlStyle Metoda

Definice

Obor názvů:
System.Web.UI.WebControls
Sestavení:
System.Web.dll

TableItemStyle Vytvoří pro TableCell ovládací prvek.

protected:
 override System::Web::UI::WebControls::Style ^ CreateControlStyle();
protected override System.Web.UI.WebControls.Style CreateControlStyle();
override this.CreateControlStyle : unit -> System.Web.UI.WebControls.Style
Protected Overrides Function CreateControlStyle () As Style

Návraty

Style

A Style , který představuje TableItemStyle ovládací TableCell prvek.

Příklady

Následující příklad kódu ukazuje, jak přepsat metodu CreateControlStyle ve vlastním server řízení tak, aby vždy vrací novou instanci TableStyle třídy pro TableCell.

<%@ Page Language="C#" %>
<%@ Register TagPrefix="aspSample" 
    Namespace="Samples.AspNet.CS.Controls" 
    Assembly="Samples.AspNet.CS" %>

<!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 id="Head2" runat="server">
    <title>Custom TableCell - CreateControlStyle - C# Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>Custom TableCell - CreateControlStyle - C# Example</h3>
        
    <asp:Table id="Table1" runat="server" CellPadding="3" CellSpacing="2">
      <asp:TableRow>
        <aspSample:CustomTableCellCreateControlStyle Text="(0,0)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(0,1)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(0,2)" />
      </asp:TableRow>
      <asp:TableRow>
        <aspSample:CustomTableCellCreateControlStyle Text="(1,0)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(1,1)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(1,2)" />
      </asp:TableRow>
    </asp:Table>
 
    </div>
    </form>
</body>
</html>

<%@ Page Language="VB" %>
<%@ Register TagPrefix="aspSample" 
    Namespace="Samples.AspNet.VB.Controls" 
    Assembly="Samples.AspNet.VB" %>

<!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 id="Head2" runat="server">
        <title>Custom TableCell - CreateControlStyle - VB.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>Custom TableCell - CreateControlStyle - VB.NET Example</h3>
        
    <asp:Table id="Table1" runat="server" CellPadding="3" CellSpacing="2">
      <asp:TableRow>
        <aspSample:CustomTableCellCreateControlStyle Text="(0,0)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(0,1)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(0,2)" />
      </asp:TableRow>
      <asp:TableRow>
        <aspSample:CustomTableCellCreateControlStyle Text="(1,0)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(1,1)" />
        <aspSample:CustomTableCellCreateControlStyle Text="(1,2)" />
      </asp:TableRow>
    </asp:Table>
 
    </div>
    </form>
</body>
</html>

using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
  [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
  public sealed class CustomTableCellCreateControlStyle : System.Web.UI.WebControls.TableCell
  {
    protected override System.Web.UI.WebControls.Style CreateControlStyle()
    {
      // Initializes and return a new instance of the TableStyle class.
      return new System.Web.UI.WebControls.TableStyle(this.ViewState);
    }
  }
}

Imports System.Web
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls
    <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public NotInheritable Class CustomTableCellCreateControlStyle
        Inherits System.Web.UI.WebControls.TableCell

        Protected Overrides Function CreateControlStyle() As System.Web.UI.WebControls.Style

            ' Initializes and return a new instance of the TableStyle class.
            Return New System.Web.UI.WebControls.TableStyle(Me.ViewState)
        End Function
    End Class
End Namespace

Poznámky

Vytvořený TableItemStyle metodou CreateControlStyle se používá s Wrap, HorizontalAligna VerticalAlign vlastnosti.

Tuto CreateControlStyle metodu používají primárně vývojáři ovládacích prvků, kteří rozšiřují funkčnost TableCell ovládacího prvku.

Platí pro

Viz také