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Web Technologies-II
Notes End Sub
</script>
<html>
<head>
</head>
<body>
<form runat= “server”>
<p>
<asp:TextBox id= “TextBox1”
runat= “server”></asp:TextBox>
<asp:RequiredFieldValidator
id= “RequiredFieldValidator1” runat= “server”
ErrorMessage= “Required!”
ControlToValidate= “TextBox1”>
</asp:RequiredFieldValidator>
</p>
<p>
<asp:Button id= “Button1” onclick= “Button1_Click”
runat= “server” Text= “Button”></asp:Button>
</p>
<p>
<asp:Label id= “Label1” runat= “server”></asp:Label>
</p>
</form>
</body>
</html>
Figure 4.2: Causing the RequiredFieldValidator Server control to fire
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