Restrict user to enter numeric value in textbox using javascript
<script type="text/javascript">
function checkNumeric(event) {
var kCode = event.keyCode || event.charCode; // for cross browser check
//FF and Safari use e.charCode, while IE use e.keyCode that returns the ASCII value
if ((kCode > 57 || kCode < 48) && (kCode != 46 && kCode != 45)) {
//code for IE
if (window.ActiveXObject) {
event.keyCode = 0
return false;
}
else
{
event.charCode= 0
}
}
}
</script>
<asp:TextBox ID="TextBox1" runat="server" onkeypress="return checkNumeric(event); ></asp:TextBox>
<script type="text/javascript">
function checkNumeric(event) {
var kCode = event.keyCode || event.charCode; // for cross browser check
//FF and Safari use e.charCode, while IE use e.keyCode that returns the ASCII value
if ((kCode > 57 || kCode < 48) && (kCode != 46 && kCode != 45)) {
//code for IE
if (window.ActiveXObject) {
event.keyCode = 0
return false;
}
else
{
event.charCode= 0
}
}
}
</script>
<asp:TextBox ID="TextBox1" runat="server" onkeypress="return checkNumeric(event); ></asp:TextBox>
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