DataGrid.CreateControlStyle Metodo

Riferimento

Definizione

Spazio dei nomi:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Importante

Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.

Crea un nuovo stile per il controllo.

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

Restituisce

Style

Un oggetto Style che rappresenta il nuovo stile.

Esempio

Nell'esempio di codice seguente viene illustrato come eseguire l'override del CreateControlStyle metodo in un controllo server personalizzato in modo che venga sempre visualizzato senza GridLines CellSpacing in DataGrid.

<%@ 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>
    <title>Custom DataGrid - CreateControlStyle - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom DataGrid - CreateControlStyle - C# Example</h3>
      <aspSample:CustomDataGridCreateControlStyle id="Datagrid1" runat="server" AutoGenerateColumns="False">
        <Columns>
          <asp:HyperLinkColumn Text="www.microsoft.com" Target="_blank" HeaderText="HyperLinks" NavigateUrl="http://www.microsoft.com" />
        </Columns>
      </aspSample:CustomDataGridCreateControlStyle>
    </form>
  </body>
</html>

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page language="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>
    <title>Custom DataGrid - CreateControlStyle - VB.NET Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom DataGrid - CreateControlStyle - C# Example</h3>
            <aspSample:CustomDataGridCreateControlStyle id="Datagrid1" runat="server" AutoGenerateColumns="False">
                <Columns>
                    <asp:HyperLinkColumn Text="www.microsoft.com" Target="_blank" HeaderText="HyperLinks" NavigateUrl="http://www.microsoft.com" />
                </Columns>
            </aspSample:CustomDataGridCreateControlStyle>
    </form>
  </body>
</html>

using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomDataGridCreateControlStyle : System.Web.UI.WebControls.DataGrid
    {
        protected override System.Web.UI.WebControls.Style CreateControlStyle()
        {
            // Create a new TableStyle instance based on ViewState values.
            System.Web.UI.WebControls.TableStyle style = new System.Web.UI.WebControls.TableStyle(ViewState);
            
            // Show the GridLines with no CellSpacing.
            style.GridLines = System.Web.UI.WebControls.GridLines.Both;
            style.CellSpacing = 0;

            // Return the Style
            return style;
        }
    }
}

Imports System.Web
Imports System.Security.Permissions

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

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

            ' Create a new TableStyle instance based on ViewState values.
            Dim style As New System.Web.UI.WebControls.TableStyle(ViewState)

            ' Show the GridLines with no CellSpacing.
            style.GridLines = System.Web.UI.WebControls.GridLines.Both
            style.CellSpacing = 0

            ' Return the Style
            Return style
        End Function
    End Class
End Namespace

Si applica a

Vedi anche

Style