入ID!
</ASP:RequiredFieldValidator>
<BR>
Email:<ASP:TextBox id =yourEmailrunat="server"/>
<ASP:RequiredFieldValidatorid="RequiredFieldValidator2" ControlToValidate="yourEmail"Width="100%" runat=server>
请输入Email!
</ASP:RequiredFieldValidator>
<BR>
<ASP:Button id=Button1 text="提交"OnClick="ValidateBtn_Click" runat="server"/>
</form>
</body>
</html>
3
<% @ Page language="C#"%>
<script runat = "server">
public void Button_Click(objectSender,EventArgs e){
if (Page.IsValid)
{
lblMsg.Text="通过验证!";