通过

Panel.HorizontalAlign 属性

  • 参考

定义

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

获取或设置面板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

HorizontalAlign 值之一。 默认值为 NotSet。

属性
BindableAttribute

例外

ArgumentOutOfRangeException

水平对齐方式不是 HorizontalAlign 值之一。

示例

下面的示例演示如何在 中 Panel右对齐或左对齐控件。

注意

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。 此代码示例必须复制到扩展名为 .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 中 Panel元素的对齐方式。

适用于

另请参阅