Untitled

<script runat="server">
Sub submit(sender As Object, e As EventArgs)
        Label1.Text = "Your name is " & txt1.Text
End Sub
</script>

<html>
<body>

<form id="Form1" runat="server">
<asp:Button ID="Button1" OnClick="submit" Text="iman_alavi" runat="server"
    BackColor="#FF3300" />
<asp:Button ID="Button2" OnClick="submit" Text="iman_alavi" runat="server"
    BackColor="#66FF33" />
<asp:Button ID="Button3" OnClick="submit" Text="iman_alavi" runat="server"
    BackColor="Yellow" />
<asp:TextBox
ID="TextBox1"
runat="server"
Height="117px"
Width="389px"
OnTextChanged="TextBox1_TextChanged"
AutoPostBack="true"
BackColor="lightblue"
Font-Bold="true"
Font-Italic="false"
BorderWidth="4"
Font-Size="Larger"
Columns="80"
TextMode="MultiLine"
Wrap="true"
Visible="true">
</asp:TextBox>
</form>

</body>
</html>