DataGrid.CreateControlStyle Method
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.
Creates new control style.
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
Returns
A Style the represents the new style.
Examples
The following code example demonstrates how to override the CreateControlStyle method in a custom server control so that it always displays the GridLines with no CellSpacing in the 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
Applies to
See also
意見反應
https://aka.ms/ContentUserFeedback。
即將登場:在 2024 年,我們將逐步淘汰 GitHub 問題作為內容的意見反應機制,並將它取代為新的意見反應系統。 如需詳細資訊,請參閱:提交並檢視相關的意見反應