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Thread: Change ASP.NET Label control value using continuous mouse down click

  1. #1

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    Frenzied Member KGComputers's Avatar
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    Change ASP.NET Label control value using continuous mouse down click

    Here's how to change an asp.net label value on mouse hold. Add/reference jQuery in your asp.net app.

    javascript Code:
    1. <script type="text/javascript" src="Scripts/jquery-2.1.1.min.js"></script>
    2. <script type="text/javascript">
    3.         var intervalHandler;
    4.  
    5.         $(document).ready(function() {
    6.             $('#ButtonUp').mousedown(function() {
    7.                 intervalHandler = setInterval(function() { FactUp(); }, 100);
    8.                 return false;
    9.             });
    10.            
    11.             $('#ButtonUp').mouseup(function () {
    12.                 clearInterval(intervalHandler);
    13.             });
    14.  
    15.             $('#ButtonDown').mousedown(function() {
    16.                 intervalHandler = setInterval(function() { FactDown(); }, 100);
    17.                 return false;
    18.             });
    19.            
    20.             $('#ButtonDown').mouseup(function () {
    21.                 clearInterval(intervalHandler);
    22.             });
    23.         });
    24.        
    25.         function FactUp() {
    26.             var obj = $("#<%= Label1.ClientID %>").text();
    27.             var num = parseFloat(obj);
    28.  
    29.             if (isNaN(num)) {
    30.                 return;
    31.             }
    32.            
    33.             num = parseFloat(num + 1);
    34.             $("#<%= Label1.ClientID %>").text(num);
    35.         }
    36.  
    37.         function FactDown() {
    38.             var obj = $("#<%= Label1.ClientID %>").text();
    39.             var num = parseFloat(obj);
    40.  
    41.             if (isNaN(num)) {
    42.                 return;
    43.             }
    44.  
    45.             num = parseFloat(num - 1);
    46.             $("#<%= Label1.ClientID %>").text(num);
    47.         }
    48.        
    49. </script>

    aspx.
    html Code:
    1. <form id="form1" runat="server">
    2.     <div>
    3.     <input type="button" id="ButtonUp" value="+" />&nbsp;
    4.     <input type="button" id="ButtonDown" value="-" />
    5.     <br/>
    6.     <asp:Label ID="Label1" runat="server" Text="0" />
    7.     </div>
    8.     </form>


    Code Sample: ASP.NET VS 2012


    Reference: Easily do a continuous action on mouse hold using javascript
    Attached Files Attached Files
    Last edited by KGComputers; Jul 4th, 2014 at 11:25 PM.
    CodeBank: VB.NET & C#.NET | ASP.NET
    Programming: C# | VB.NET
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