在Repeater中使用onkeyup功能

问题描述

我在转发器中使用onkeyup功能我试过很多但是无法解决我用过的问题



< asp：Repeater ID =RepItemrunat =服务器>

< asp：TextBox ID =TextBox1runat =serverOnKeyUp =GoToNextTextBox（this，event）; return false;>

$ / b $ b $ / b
< asp：标签ID =lblGrossrunat =serverText ='<％＃Eval（ appGrossWt）％>'>



< asp：TextBox ID =txtUsedonkeyup =sumCalc（）; runat =server>

< asp：TextBox ID =TxtReturnonkeyup =sumCalc（）; runat =server>

< asp：TextBox ID =Txtbalonkeyup =sumCalc（）; runat =server>



< script language =javascripttype =text / javascript>



函数sumCalc（）{

var _lblGross = document.getElementsByTagName（input）[0];

var _txtUsed = document.getElementById（' <％= txtUsed.ClientID％>'）;

var _TxtReturn = document.getElementById（'<％= txtReturn.ClientID％>'）;

var _Txtbal = document.getElementById（'<％= txtbal.ClientID％>'）;

var t1 = 0，t2 = 0，t3 = 0;



if（_txtUsed.value！=）t1 = _TextBox1.value;

if（_TxtReturn.value！=）t2 = _TextBox2.value;

if（_lblGross.toString！=）t3 = _lblGross.toString;





_Txtbal.value = parseInt（t3） - parseInt（t1） - parseInt（t2）;



}

< / script>







i我试图在文本框中输入任何数字cal应该与...保持平衡在第二个按照onkeyup函数

i am use onkeyup function in repeater i tried lot but could not work it out i used

<asp:Repeater ID="RepItem" runat="server" >
<asp:TextBox ID="TextBox1" runat="server" OnKeyUp="GoToNextTextBox(this, event); return false;">



<asp:Label ID="lblGross" runat="server" Text='<%# Eval("appGrossWt")%>'>

<asp:TextBox ID="txtUsed" onkeyup="sumCalc();" runat="server">
<asp:TextBox ID="TxtReturn" onkeyup="sumCalc();" runat="server">
<asp:TextBox ID="Txtbal" onkeyup="sumCalc();" runat="server">

<script language="javascript" type="text/javascript">

function sumCalc() {
var _lblGross = document.getElementsByTagName("input")[0];
var _txtUsed = document.getElementById('<%= txtUsed.ClientID %>');
var _TxtReturn = document.getElementById('<%= txtReturn.ClientID %>');
var _Txtbal = document.getElementById('<%= txtbal.ClientID %>');
var t1 = 0, t2 = 0, t3 = 0;

if (_txtUsed.value != "") t1 = _TextBox1.value;
if (_TxtReturn.value != "") t2 = _TextBox2.value;
if (_lblGross.toString != "") t3 = _lblGross.toString;


_Txtbal.value = parseInt(t3) - parseInt(t1) - parseInt(t2);

}
</script>



i am trying to as i enter any number in text box cal should be make in balance with in second as per onkeyup function

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