Hello,
Thanks for your reply,
I am able to restrict decimal poit numbers to allow only 2 points, but how can i restrict the number to be not greater than 100 before decimal point?
The code is:
function extractNumber(obj, decimalPlaces, allowNegative) {
var temp = obj.value;
var reg0Str = '[0-9]*';
if (decimalPlaces > 0) {
reg0Str += '\[\,\.]?[0-9]{0,' + decimalPlaces + '}';
} else if (decimalPlaces < 0) {
reg0Str += '\[\,\.]?[0-9]*';
}
reg0Str = allowNegative ? '^-?' + reg0Str : '^' + reg0Str;
reg0Str = reg0Str + '$';
var reg0 = new RegExp(reg0Str);
if (reg0.test(temp)) return true;
var reg1Str = '[^0-9' + (decimalPlaces != 0 ? '.' : '') + (decimalPlaces != 0 ? ',' : '') + (allowNegative ? '-' : '') + ']';
var reg1 = new RegExp(reg1Str, 'g');
temp = temp.replace(reg1, '');
if (allowNegative) {
var hasNegative = temp.length > 0 && temp.charAt(0) == '-';
var reg2 = /-/g;
temp = temp.replace(reg2, '');
if (hasNegative) temp = '-' + temp;
}
if (decimalPlaces != 0) {
var reg3 = /[\,\.]/g;
var reg3Array = reg3.exec(temp);
if (reg3Array != null) {
var reg3Right = temp.substring(reg3Array.index + reg3Array[0].length);
reg3Right = reg3Right.replace(reg3, '');
reg3Right = decimalPlaces > 0 ? reg3Right.substring(0, decimalPlaces) : reg3Right;
temp = temp.substring(0, reg3Array.index) + '.' + reg3Right;
}
}
obj.value = temp;
}
function blockNonNumbers(obj, e, allowDecimal, allowNegative) {
var key;
var isCtrl = false;
var keychar;
var reg;
if (window.event) {
key = e.keyCode;
isCtrl = window.event.ctrlKey
}
else if (e.which) {
key = e.which;
isCtrl = e.ctrlKey;
}
if (isNaN(key)) return true;
keychar = String.fromCharCode(key);
if (key == 8 || isCtrl) {
return true;
}
reg = /\d/;
var isFirstN = allowNegative ? keychar == '-' && obj.value.indexOf('-') == -1 : false;
var isFirstD = allowDecimal ? keychar == '.' && obj.value.indexOf('.') == -1 : false;
var isFirstC = allowDecimal ? keychar == ',' && obj.value.indexOf(',') == -1 : false;
return isFirstN || isFirstD || isFirstC || reg.test(keychar);
}
function blockInvalid(obj) {
var temp = obj.value;
if (temp == "-") {
temp = "";
}
if (temp.indexOf(".") == temp.length - 1 && temp.indexOf(".") != -1) {
temp = temp + "00";
}
if (temp.indexOf(".") == 0) {
temp = "0" + temp;
}
if (temp.indexOf(".") == 1 && temp.indexOf("-") == 0) {
temp = temp.replace("-", "-0");
}
if (temp.indexOf(",") == temp.length - 1 && temp.indexOf(",") != -1) {
temp = temp + "00";
}
if (temp.indexOf(",") == 0) {
temp = "0" + temp;
}
if (temp.indexOf(",") == 1 && temp.indexOf("-") == 0) {
temp = temp.replace("-", "-0");
}
temp = temp.replace(",", ".");
obj.value = temp;
}
and calling methods from Textbox is:
<asp:TextBox ID="txtAllocationPercentage" runat="server" CssClass="textbox" ToolTip="Enter Allocation Percentage"
onblur="extractNumber(this,2,true);blockInvalid(this);" onkeyup="extractNumber(this,2,true);"
onKeyPress="return blockNonNumbers(this, event, true, true);"></asp:TextBox>
Please give me your suggestions, where can i modify the code to check the number not greater than 100?
Thanks.