The RangeValidator control verifies that the input value falls within a predetermined range.
Example:-
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body bgcolor="White">
<form id="form1" runat="server">
<div>
<h3>Date:<asp:TextBox runat="server" id="txtDate" />
</h3>
<br />
<asp:RangeValidator
runat="server" id="rngDate" controltovalidate="txtDate" type="Date"
minimumvalue="01-01-2014" maximumvalue="31-12-2014"
errormessage="Please enter a valid date within 2014!"
BorderColor="#FF3399" BorderStyle="Ridge" ForeColor="Red" />
</div>
</form>
</body>
</html>
Example:-
Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body bgcolor="White">
<form id="form1" runat="server">
<div>
<h3>Date:<asp:TextBox runat="server" id="txtDate" />
</h3>
<br />
<asp:RangeValidator
runat="server" id="rngDate" controltovalidate="txtDate" type="Date"
minimumvalue="01-01-2014" maximumvalue="31-12-2014"
errormessage="Please enter a valid date within 2014!"
BorderColor="#FF3399" BorderStyle="Ridge" ForeColor="Red" />
</div>
</form>
</body>
</html>
Output:
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