Panel.HorizontalAlign 属性

定义

命名空间:
System.Web.UI.WebControls
程序集:
System.Web.dll

获取或设置面板中内容的水平对齐方式。

public:
 virtual property System::Web::UI::WebControls::HorizontalAlign HorizontalAlign { System::Web::UI::WebControls::HorizontalAlign get(); void set(System::Web::UI::WebControls::HorizontalAlign value); };
[System.ComponentModel.Bindable(true)]
public virtual System.Web.UI.WebControls.HorizontalAlign HorizontalAlign { get; set; }
public virtual System.Web.UI.WebControls.HorizontalAlign HorizontalAlign { get; set; }
[<System.ComponentModel.Bindable(true)>]
member this.HorizontalAlign : System.Web.UI.WebControls.HorizontalAlign with get, set
member this.HorizontalAlign : System.Web.UI.WebControls.HorizontalAlign with get, set
Public Overridable Property HorizontalAlign As HorizontalAlign

属性值

HorizontalAlign

其中一个 HorizontalAlign 值。 默认值为 NotSet。

属性
BindableAttribute

例外

ArgumentOutOfRangeException

水平对齐不是其中 HorizontalAlign 一个值。

示例

下面的示例演示如何在控件中 Panel右对齐或左对齐。

注释

下面的代码示例使用单文件代码模型，如果直接复制到代码隐藏文件中，可能无法正常工作。 必须将此代码示例复制到扩展名为 .aspx 的空文本文件中。 有关 Web 窗体代码模型的详细信息，请参阅 ASP.NET Web 窗体页代码模型。

<%@ 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>Panel Example</title>
<script language="C#" runat="server">
 
    void Page_Load(Object sender, EventArgs e) {
       Label l = new Label();
       l.Text = "This panel contains a label control.";
       Panel1.Controls.Add(l);
    }
     
    void Button1_Click(Object sender, EventArgs e) {
       if (Panel1.HorizontalAlign == HorizontalAlign.Left) {
          Panel1.HorizontalAlign = HorizontalAlign.Right;
          Button1.Text = "Left justify text within Panel";
       } 
       else {
          Panel1.HorizontalAlign = HorizontalAlign.Left;
          Button1.Text = "Right justify text within Panel";
       }
    }
    </script>
 
 </head>
 <body>
    <h3>Panel Example</h3>
    <form id="form1" runat="server">
 
       <asp:Panel id="Panel1" Height="200" Width="100" BackColor="Gainsboro"
            Wrap="True" HorizontalAlign="Right" runat="server"/>
 
       <br />
       <asp:Button id="Button1" OnClick="Button1_Click"
            Text="Left justify text within panel" runat="server"/>
 
    </form>
 </body>
 </html>

<%@ 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>Panel Example</title>
<script language="VB" runat="server">
 
    Sub Page_Load(sender As Object, e As EventArgs)
       Dim l As New Label()
       l.Text = "This panel contains a label control."
       Panel1.Controls.Add(l)
    End Sub
     
    Sub Button1_Click(sender As Object, e As EventArgs)
       If Panel1.HorizontalAlign = HorizontalAlign.Left Then
          Panel1.HorizontalAlign = HorizontalAlign.Right
          Button1.Text = "Left justify text within Panel"
       Else
          Panel1.HorizontalAlign = HorizontalAlign.Left
          Button1.Text = "Right justify text within Panel"
       End If
    End Sub
    
    </script>
 
 </head>
 <body>
    <h3>Panel Example</h3>
    <form id="form1" runat="server">
 
       <asp:Panel id="Panel1" Height="200" Width="100" BackColor="Gainsboro"
            Wrap="True" HorizontalAlign="Right" runat="server"/>
 
       <br />
       <asp:Button id="Button1" OnClick="Button1_Click"
            Text="Left justify text within panel" runat="server"/>
 
    </form>
 </body>
 </html>

注解

使用此属性可指定元素在 . Panel中的对齐方式。

适用于

另请参阅