Using Button control with CausesValidation property in asp.net

<%@ Page Language="C#" %>


<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)

 {
     Label1.Text = "You submited this name: " +
            TextBox1.Text.ToString();
    }

    protected void Button2_Click(object sender, System.EventArgs e) {
        Label1.Text = "You clicked the cancel button.";
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Using Button control with CausesValidation property in asp.net

</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Fuchsia">Using CausesValidation property</h2>
        <asp:Label ID="Label1" runat="server" Font-Size="Large" 

ForeColor="Teal">

</asp:Label>
        <br /><br />
        <asp:Label ID="Label2" runat="server" Text="Input name" 

AssociatedControlID="TextBox1"></asp:Label>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1"

 runat="server" ControlToValidate="TextBox1" ErrorMessage="Name required!">

</asp:RequiredFieldValidator>
        <br />
        <asp:Button ID="Button1" runat="server" 

Text="Submit name" OnClick="Button1_Click" Font-Bold="true"

 CausesValidation="true" />
        <asp:Button ID="Button2" runat="server"

 Text="Cancel" OnClick="Button2_Click" Font-Bold="true"

 ForeColor="Red" CausesValidation="false" />
    </div>
    </form>
</body>
</html>