fetch values of template field
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http://www.eggheadcafe.com/community/aspnet/3/10014375/need-to-get-value-of-gridview-template-columns-for-client-side-validation.aspx
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function Calc(ob)
{
var dtObj=document.getElementById('<%=lbltot.ClientID %>')
// if(ob.value!="")
// {
// var res= parseInt(dtObj.innerText) + parseInt(ob.value);
// document.getElementById('<%=lbltot.ClientID %>').innerText= res;
// }
var res=0;
var inputs = [];
var i;
inputs = document.getElementById("<%=GridView1.ClientID %>").getElementsByTagName("input");
for (i in inputs)
{
if (i != "length" && i.indexOf("Amt")!= -1)
{
if (isNaN(inputs[i].value) == true || inputs[i].value.length < 1)
continue;
else
res=res+ parseInt(inputs[i].value);
}
}
document.getElementById('<%=lbltot.ClientID %>').innerText= res;
}
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