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How to use NumericUpDownExtender in AJAX

Introduction

NumericUpDownExtender targets a TextBox Control to extend the functionality of the textbox . When this extender is attached to a TextBox control , the textbox appear with an up and down button . You can use these buttons to navigate through a defined set of string values as well as integer value . The string values are defined using the RefValues property of NumericUpDownExtender and integer value defined by minimum and maximum property.

Source Code

Copy this code and paste your web form ( Before copy you must add ajax control tool kit to your project )

<%@ Page Language="C#" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>


<!DOCTYPE html>


<script runat="server">


</script>


<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
    
        <asp:Label ID="Label1" runat="server" Text="Increse or decrease your counter"></asp:Label>
&nbsp;
        <asp:TextBox ID="TextBox1" runat="server" Height="19px" Width="229px"></asp:TextBox>
        <br />
        <br />

        Select your month




        <asp:TextBox ID="TextBox2" runat="server" Height="19px" Width="232px"></asp:TextBox>




        <asp:NumericUpDownExtender ID="NumericUpDownExtender1" runat="server" Width ="100" Step ="10" Maximum ="100" Minimum ="1" TargetControlID ="TextBox1"></asp:NumericUpDownExtender>




        <asp:NumericUpDownExtender ID="NumericUpDownExtender2" runat="server" Width ="100" Step="1" TargetControlID ="TextBox2" RefValues ="jan;feb"></asp:NumericUpDownExtender>

        <br />
    </div>

    </form>

</body>
</html>

OutPut

How to use NumericUpDownExtender in AJAX


Properties of NumericUpDownExtender:

TargetControlID : Set the ID for the TextBox control to which you want to attach the extender.

Width : Sets the combined size of the TextBox control and the Up and Down Buttons. If you use custom buttons, then you do not need to set the width.

RefValues: Set a list of strings separated by semicolons ,which you want to display when the up or down button is clicked.

Step: Sets the Steps for numeric increment and decrement . The Default value is 1

TargetButtonDownID : Set the ID of the custom Down button .

TargetButtonUpID : Set the ID of the custom Up button.

Minimum : Set the minimum value allowed by the extender to navigate.

Maximum : Set the maximum value allowed by the extender to navigate.

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