Copy and paste in <Head> section.
<script language="javascript" type="text/javascript">
function DisableSplChars(e) {
var keynum
var keychar
var numcheck
// For Internet Explorer
if (window.event) {
keynum = e.keyCode
}
// For Netscape/Firefox/Opera
else if (e.which) {
keynum = e.which
}
keychar = String.fromCharCode(keynum)
//List of special characters you want to restrict
if (keychar == "!" || keychar == "@" || keychar == "#"
|| keychar == "$" || keychar == "%" || keychar == "^" || keychar == "&"
|| keychar == "*" || keychar == "(" || keychar == ")"
|| keychar == "<" || keychar == ">") {
return false;
}
else {
return true;
}
}
function ValidateName(control, e) {
if (control.value.length == 0 || !control.value.match(/[^\s]/)) {
alert("Empty string detected.");
control.focus();
if (window.event) {
window.event.returnValue = false;
}
else {
e.preventDefault();
}
}
}
</script>
and, add in TextBox onkeypress="javascript:return DisableSplChars(event);"
<asp:TextBox ID="TextBox1" runat="server" onkeypress="javascript:return DisableSplChars(event);"></asp:TextBox>
<script language="javascript" type="text/javascript">
function DisableSplChars(e) {
var keynum
var keychar
var numcheck
// For Internet Explorer
if (window.event) {
keynum = e.keyCode
}
// For Netscape/Firefox/Opera
else if (e.which) {
keynum = e.which
}
keychar = String.fromCharCode(keynum)
//List of special characters you want to restrict
if (keychar == "!" || keychar == "@" || keychar == "#"
|| keychar == "$" || keychar == "%" || keychar == "^" || keychar == "&"
|| keychar == "*" || keychar == "(" || keychar == ")"
|| keychar == "<" || keychar == ">") {
return false;
}
else {
return true;
}
}
function ValidateName(control, e) {
if (control.value.length == 0 || !control.value.match(/[^\s]/)) {
alert("Empty string detected.");
control.focus();
if (window.event) {
window.event.returnValue = false;
}
else {
e.preventDefault();
}
}
}
</script>
and, add in TextBox onkeypress="javascript:return DisableSplChars(event);"
<asp:TextBox ID="TextBox1" runat="server" onkeypress="javascript:return DisableSplChars(event);"></asp:TextBox>
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