HorizontalAlign Property

Panel.HorizontalAlign Property


Gets or sets the horizontal alignment of the contents within the panel.

Namespace:   System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public virtual HorizontalAlign HorizontalAlign { get; set; }

Property Value

Type: System.Web.UI.WebControls.HorizontalAlign

One of the HorizontalAlign values. The default is NotSet.

Exception Condition

The horizontal alignment is not one of the HorizontalAlign values.

Use this property to specify the alignment of the elements in the Panel.

The following example illustrates how to right-align or left-align the controls within the Panel.


The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file. This code sample must be copied into an empty text file that has an .aspx extension. For more information on the Web Forms code model, see ASP.NET Web Forms Page Code Model.

<%@ Page Language="C#" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="http://www.w3.org/1999/xhtml" >
    <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.";

    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";

    <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"/>


.NET Framework
Available since 1.1
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