control_comparevalidator.asp

W3Schools tutorial..web designing

  </tr>
    <tr>
    <td valign="top">Text</td>
    <td valign="top">errortext</td>
    <td valign="top">Optional. The message to display when validation fails</td>
    </tr>
  <tr>
    <td valign="top">Type</td>
    <td valign="top">Currency<br />
    Date<br />
    Double<br />
    Integer<br />
    String</td>
    <td valign="top">Optional. Specifies the data type of the values to compare</td>
  </tr>
  <tr>
    <td valign="top">ValueToCompare</td>
    <td valign="top">value</td>
    <td valign="top">Optional. A specified value to compare with</td>
  </tr>
  <tr>
    <td valign="top">Wrapping</td>
    <td valign="top">wrap<br />
    nowrap</td>
    <td valign="top">Optional. Specifies whether or not the text in the control should wrap</td>
  </tr>
  </table>

<h3>Example 1</h3>
<p>The following example contains two forms in an .aspx file. The first form has 
a label with the text &quot;Age?&quot;, an input box to input the age, and a submit 
button. The second page is activated by the submit button on the first page, and 
displays a response. If the input value validates as an error, an error message 
is displayed:</p>
<table class="ex" width="100%" border="1">
  <tr>
    <td>
    <pre>&lt;%@ Page 
Inherits=&quot;System.Web.UI.MobileControls.MobilePage&quot;%&gt;
&lt;%@ Register TagPrefix=&quot;Mobile&quot;
Namespace=&quot;System.Web.UI.MobileControls&quot;
Assembly=&quot;System.Web.Mobile&quot; %&gt;</pre>
    <pre>&lt;script runat=&quot;server&quot;&gt;
Sub Page2(Sender as Object,E as EventArgs)
If Page.IsValid Then
  ActiveForm=f2
  text2.Text=&quot;You are &quot; &amp; age.text &amp; &quot; years old&quot;
end if
End Sub
&lt;/script&gt;</pre>
    <pre>&lt;Mobile:Form id=&quot;f1&quot; runat=&quot;server&quot;&gt;
  &lt;Mobile:CompareValidator runat=&quot;server&quot;
  ControlToValidate=&quot;age&quot;
  Type=&quot;Integer&quot;
  ValueToCompare=&quot;18&quot;
  Operator=&quot;GreaterThanEqual&quot;&gt;
  You must be at least 18
  &lt;/Mobile:CompareValidator&gt;

  &lt;Mobile:Label runat=&quot;server&quot;&gt;Age?&lt;/Mobile:Label&gt;
  &lt;Mobile:TextBox id=&quot;age&quot; runat=&quot;server&quot; /&gt;
  &lt;Mobile:Command OnClick=&quot;Page2&quot; runat=&quot;server&quot;&gt;
  Submit&lt;/Mobile:Command&gt;
&lt;/Mobile:Form&gt;</pre>
    <pre>&lt;Mobile:Form id=&quot;f2&quot; runat=&quot;server&quot;&gt;
  &lt;Mobile:Label id=&quot;text2&quot; runat=&quot;server&quot; /&gt;
&lt;/Mobile:Form&gt;</pre>
    </td>
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