In this post we will discuss about date validation using JavaScript. Also check out:
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- RegularExpressionValidator example in Asp.Net
- Export Data Of DataGridview To Excel using C# Windows Appllication
Here is a date validation through JavaScript that will give an alert message if you try to give a date less than today. It will always take the future date.
Below is the full HTML code:
<head runat="server">
<script language="javascript" type="text/javascript">
function validateDate() {
var expDate = document.getElementById('txtDate').value;
var date = expDate.substring(0, 2);
var month = expDate.substring(3, 5);
var year = expDate.substring(6, 10);
var myDate = new Date(year, month - 1, date);
var today = new Date();
if (myDate > today) {
}
else {
alert('Please enter a date greater than today !');
return false;
}
}
</script>
<title>JavaScript date validation</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtDate" runat="server"></asp:TextBox><br />
<asp:Button ID="btnValidate" runat="server" Text="Click to Validate" OnClientClick="return validateDate();" />
</div>
</form>
</body>
Check the figure below for more information:
- Create a database by command in sql server 2008
- RegularExpressionValidator example in Asp.Net
- Export Data Of DataGridview To Excel using C# Windows Appllication
Here is a date validation through JavaScript that will give an alert message if you try to give a date less than today. It will always take the future date.
Below is the full HTML code:
<head runat="server">
<script language="javascript" type="text/javascript">
function validateDate() {
var expDate = document.getElementById('txtDate').value;
var date = expDate.substring(0, 2);
var month = expDate.substring(3, 5);
var year = expDate.substring(6, 10);
var myDate = new Date(year, month - 1, date);
var today = new Date();
if (myDate > today) {
}
else {
alert('Please enter a date greater than today !');
return false;
}
}
</script>
<title>JavaScript date validation</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtDate" runat="server"></asp:TextBox><br />
<asp:Button ID="btnValidate" runat="server" Text="Click to Validate" OnClientClick="return validateDate();" />
</div>
</form>
</body>
Check the figure below for more information:
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