Hello,
You can do this either using JavaScript or Server side PHP. I am presenting here the JavaScript version. I am assuming that your textbox name is
txtNotes
& is declared as shown below.
<input type="text id="txtNotes" name="txtNotes" onChange="removeSpaces(this)"/>
The Javascript
function removeSpaces(ctrl)
{
var ret = "";
if (ctrl.value != null && ctrl.value.length > 0) {
var parts = ctrl.value.split(" ");
for (var i = 0; i < parts.length; i++) {
var tmp = parts[i].replace(/^\s+|\s+$/g,'');
if (tmp.length > 0) {
ret += (tmp + " ");
}
}
ctrl.value = ret.substring(0, ret.length - 1);
}
}