[英]How can I put dot after 3 digits in asp.net textbox by native JavaScript?
How can I put dot after 3 digits in asp.net textbox?如何在asp.net文本框中的3位数字后放置点? Below code doesn't work for me.
下面的代码对我不起作用。 I want it in JavaScript not jQuery.
我想要它在 JavaScript 而不是 jQuery 中。
For example:例如:
1234: 1.234
23456: 23.456
But if I put "COMMA", it should stop putting "."但是如果我放“逗号”,它应该停止放“。” 1.2345,78
1.2345,78
I guess comma has an event stopping dot event.我猜逗号有一个事件停止点事件。
Such as first answer here Can jQuery add commas while user typing numbers?例如这里的第一个答案Can jQuery add逗号当用户输入数字时? , instead of comma I want to use "dot" not comma.
, 而不是逗号我想使用“点”而不是逗号。 But I want to need permission for comma.
但我想需要逗号的许可。
My C# code:我的 C# 代码:
private void GvRowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
TextBox txtVeri = (TextBox)e.Row.FindControl("txtVeri");
txtVeri.Attributes.Add("onkeyup", "InsertComma(this.id)");
}
}
My JS code:我的JS代码:
function InsertComma(veriId) {
console.log("çalışıyor");
var txtObj = document.getElementById(veriId);
var txtVal = replaceAll(txtObj.value, '.', '');
//alert(txtObj.value);
if (txtObj.value != "") {
var newVal = "";
for (var i = 0; i < txtVal.length; i++) {
//alert(txtVal.substring(i, 1));
newVal = newVal + txtVal.substring(i, i + 1);
if ((i + 1) % 3 == 0 && i != 0 && i + 1 < txtVal.length) {
newVal = newVal + ".";
}
}
txtObj.value = newVal;
}
}
function replaceAll(txt, replace, with_this) {
return txt.replace(new RegExp(replace, 'g'), with_this);
}
try building regex from http://regexr.com/ if you want to validate at a click event or any other such event.如果您想在单击事件或任何其他此类事件中进行验证,请尝试从http://regexr.com/构建正则表达式。 And if you want to restrict users input you need to tap on keypress, keyup or keydown and get the eventcode to get what exactly was pressed and return false accordingly.
如果您想限制用户输入,您需要点击 keypress、keyup 或 keydown 并获取事件代码以获取确切按下的内容并相应地返回 false。 It would be better if you create a keypress event.
如果您创建一个按键事件会更好。
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