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Why Gaia Ajax?
The ASP.NET world needed a fast, lightfoot and intelligent library.
Gaia boosts your webapp development using C# or VB.NET and your existing ASP.NET knowledge. Gaia only sends what has changed back to the browser.
The result: a rich and responsive user experience.

Runs on ASP.NET

Gaia Ajax: Required Field Validator

The Gaia Ajax Required Field validator makes the associated input control a required field. It inherits from the ASP.NET RequiredFieldValidator, and has built-in Ajax behaviour.

First Name:
Last Name:

ASPX Markup
C# code
VB.NET

Markup (ASPX/.aspx)
  
 <gaia:ValidationSummary ID="ValidationSummary1" runat="server" />
 First Name:
 <gaia:TextBox ID="txtFirstName" runat="server"></gaia:TextBox>
 <gaia:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
     ControlToValidate="txtFirstName" ErrorMessage="Please enter your first name">*
 </gaia:RequiredFieldValidator>
 <br />
 Last Name:
 <gaia:TextBox ID="txtLastName" runat="server"></gaia:TextBox>
 <gaia:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
     ControlToValidate="txtLastName" ErrorMessage="Please enter your last name">*</gaia:RequiredFieldValidator>
 <br />
 <gaia:Button ID="btnSubmit" runat="server" Text="Submit" />
  