<%@ Page Language="C#" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
  <title>Validation Groups</title>
</head>

<script language="C#" runat="server">
  void Button1_Click(object sender, EventArgs e)
  {
    Label1.Text = "Hello " + TextBox1.Text + ", you selected " + Calendar1.SelectedDate;
  }
</script>

<body>
  <form id="form1" runat="server">
    <div>
      <h3>ValidationGroup (Search)</h3>
      Enter Search Term:
      <asp:TextBox ID="SearchTerm" runat="server" />
      <asp:Button ID="Button2" runat="server" Text="Search" PostBackUrl="Search_cs.aspx" ValidationGroup="Search" />
      <asp:RequiredFieldValidator ID="RequiredFieldValidator1" SetFocusOnError="true" Runat="server" ErrorMessage="Search is empty!!"
            ControlToValidate="SearchTerm" ValidationGroup="Search" /> 
      <br /><br />
      <hr />
      <br />
      <h3>ValidationGroup (Name)</h3>
      <table cellpadding="5">
        <tr>
          <td valign="top">
            Enter name:</td>
          <td valign="top">
            <asp:TextBox ID="TextBox1" runat="server" Width="247px" Height="22px" />
            <asp:RequiredFieldValidator ID="RequiredFieldValidator2" Runat="server" ErrorMessage="Name is empty!!"
                        ControlToValidate="TextBox1" ValidationGroup="Name" />
          </td>
        </tr>
        <tr>
          <td valign="top">
            Enter meeting time:
          </td>
          <td valign="top">
            <asp:Calendar ID="Calendar1" runat="server" />
            <br />
            <asp:Button ID="Button1" runat="server" Text="Postback to Same Page" OnClick="Button1_Click" ValidationGroup="Name" />
            <br />
          </td>
        </tr>
      </table>
      <br />
      <asp:Label ID="Label1" runat="server" Text="Label" Font-Bold="true" />
  </form>
</body>
</html>
