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POHow to fix a non persistent javascript function
 

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  1. POHow to fix a non persistent javascript function
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    <p>I have created a slider in an ASP.NET page by using AJAX contol Toolkit. To increase and decrease the value of slider, I have also placed a "plus" &amp; a "minus" button. On the client click event of each button I have used a javascript function that will do some calculations and show it as a asp:label below the slider. Now the problem is if I change the value of slider by dragging it, the function is called and the calculations are shown as a label but, if I change the value of the slider by the buttons ("plus" or "minus" button), the function is called but calculations are shown only for couple of seconds as a label. After 1 2 seconds the label is gone, showing nothing.</p> <p>Does anyone have any idea about my problem?</p> <p>Here is the code:</p> <ol> <li><p>"Plus" Button: <code>&lt;asp:ImageButton ID="ImageButton1" runat="server" ImageUrl="~/icon_plus1.jpg" style="z-index: 1; left: 830px; top: 130px; position: absolute" onclientclick="change1();"/&gt;</code></p></li> <li><p>This is the function that i am calling: <code>function change1() { var object = document.getElementById("TextBox"); var val = object.value; object.value = parseInt(val) + 5; updatesum(); }</code></p></li> <li><p>The main calculation is in the updatesum() function:</p> <pre><code>function updatesum() { var principal = slider1Value; var daily_interest_rate = eval((360 / 100) / 365); var transaction_fee = eval(5.50); var number_of_days = slider2Value; var due_date = addDays(eval(number_of_days)).toDateString(); var interest_amount = (eval(daily_interest_rate) * eval(number_of_days) * eval(eval(principal) + eval(transaction_fee))) + eval(transaction_fee); var total_amount = interest_amount + eval(principal); lblDate.innerHTML = due_date; lblBorrow.innerHTML = "&amp;pound " + slider1Value; lblInter.innerHTML = "&amp;pound " + interest_amount.toFixed(2); lblRepay.innerHTML = "&amp;pound " + total_amount.toFixed(2); } </code></pre></li> <li><p>The Slider and its Target Control ID Textbox:</p> <pre><code>&lt;ajaxToolkit:SliderExtender ID="SliderExtender2" runat="server" length="400" Enabled="True" Maximum="400" Minimum="0" Steps="80" TargetControlID="TextBox" BoundControlID="TextBox1" RailCssClass="SliderRail"&gt; &lt;/ajaxToolkit:SliderExtender&gt; &lt;asp:TextBox ID="TextBox" runat="server" OnChange ="javascript:updatesum(this);" style="z-index: 1; top: 130px; position: absolute; left: 430px; bottom: 130px" </code></pre> <h2> </h2></li> </ol>
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    1. USAndrei Petrenko
    1. USpuneet.ajwani
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      1. VTUpMod
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    1. COPost your code please. It's very hard to help without a code sample.
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      1. USBentOnCoding
    2. CODo you have any code we can look at?
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      1. USuser1026361
    3. COFighting with AJAX requests/updates, perhaps? Inspect the network activity to make sure this is [not] the case ..
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