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<h1>ASP.NET Button Control</h1>
<hr />
<a href="aspnet_refwebcontrols.asp"><img class="navup" src="../images/up.gif" alt="Web Control Reference" border="0" /> Complete Web Control Reference</a>
<hr />
<h2>Definition and Usage</h2>
<p>The Button control is used to display a push button. The push button may be a
submit button or a command button. By default, this control is a submit button.</p>
<p>A submit button does not have a command name and it posts the Web page
back to the server when it is clicked. It is possible to write an event handler
to control the actions performed when the submit button is clicked.</p>
<p>A command button has a command name and allows you to create multiple Button
controls on a page. It is possible to write an event handler to control the actions performed when the
command button is clicked.</p>
<hr />
<h2>Properties</h2>
<table class="ex" border="1" width="100%">
<tr>
<th width="30%" align="left">Property</th>
<th width="70%" align="left">Description</th>
<th width="70%" align="left">.NET</th>
</tr>
<tr>
<td valign="top"><a href="prop_webcontrol_button_causesvalidation.asp">CausesValidation</a></td>
<td valign="top">Specifies if a page is validated when a Button control is
clicked</td>
<td valign="top">1.0</td>
</tr>
<tr>
<td valign="top">CommandArgument</td>
<td valign="top">Additional information about the command to perform</td>
<td valign="top">1.0</td>
</tr>
<tr>
<td valign="top">CommandName</td>
<td valign="top">The command associated with the Command event</td>
<td valign="top">1.0</td>
</tr>
<tr>
<td valign="top"><a href="prop_webcontrol_button_onclientclick.asp">OnClientClick</a></td>
<td valign="top">The name of the function to be executed when the button is
clicked</td>
<td valign="top">2.0</td>
</tr>
<tr>
<td valign="top"><a href="prop_webcontrol_button_postbackurl.asp">PostBackUrl</a></td>
<td valign="top">The URL of the page to post to from the current page when
the Button control is clicked</td>
<td valign="top">2.0</td>
</tr>
<tr>
<td valign="top">runat</td>
<td valign="top">Specifies that the control is a server control. Must
be set to "server"</td>
<td valign="top">1.0</td>
</tr>
<tr>
<td valign="top"><a href="prop_webcontrol_button_text.asp">Text</a></td>
<td valign="top">The text on the button</td>
<td valign="top">1.0</td>
</tr>
<tr>
<td valign="top"><a href="prop_webcontrol_button_usesubmitbehavior.asp">UseSubmitBehavior</a></td>
<td valign="top">A value indicating whether or not the Button control uses
the client browser's submit mechanism or the ASP.NET postback mechanism</td>
<td valign="top">2.0</td>
</tr>
<tr>
<td valign="top"><a href="prop_webcontrol_button_validationgroup.asp">ValidationGroup</a></td>
<td valign="top">The group of controls for which the Button control causes
validation when it posts back to the server</td>
<td valign="top">2.0</td>
</tr>
</table>
<h2>Web Control Standard Properties</h2>
<table class="ex" border="1" cellpadding="3" cellspacing="0" width="100%" id="table3">
<tr>
<td valign="top">AccessKey, Attributes, BackColor, BorderColor,
BorderStyle, BorderWidth, CssClass, Enabled, Font, EnableTheming,
ForeColor, Height, IsEnabled, SkinID, Style, TabIndex, ToolTip, Width</td>
</tr>
</table>
<p>For a full description, go to <a href="prop_webcontrol_standard.asp">Web
Control Standard Attributes</a>.</p>
<h2>Control Standard Properties</h2>
<table class="ex" border="1" cellpadding="3" cellspacing="0" width="100%" id="table4">
<tr>
<td valign="top">AppRelativeTemplateSourceDirectory, BindingContainer,
ClientID, Controls, EnableTheming, EnableViewState, ID, NamingContainer,
Page, Parent, Site, TemplateControl, TemplateSourceDirectory, UniqueID,
Visible</td>
</tr>
</table>
<p>For a full description, go to <a href="prop_control_standard.asp">Control
Standard Attributes</a>.</p>
<h3>Examples</h3>
<p><a target="_blank" href="showasp.asp@filename=demo_button">Button</a><br />
In this example we declare a submit Button
control in an .aspx file. Then we create an event handler for the Click event
which changes the text on the button.</p>
<p><a target="_blank" href="showasp.asp@filename=demo_button2">Button 2</a><br />
In this example we declare a submit Button
control in an .aspx file. Then we create an event handler for the Click event
which changes the text and the style of the button.</p>
<hr />
<a href="aspnet_refwebcontrols.asp"><img class="navup" src="../images/up.gif" alt="Web Control Reference" border="0" /> Complete Web Control Reference</a>
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