Hi nid@patel,
Check this example. Now please take its reference and correct your code.
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.switch
{
position: relative;
display: inline-block;
width: 50px;
height: 24px;
}
.switch input
{
opacity: 0;
}
.slider
{
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
-webkit-transition: .4s;
transition: .4s;
}
.slider:before
{
position: absolute;
content: "";
height: 16px;
width: 16px;
left: 4px;
bottom: 4px;
background-color: white;
-webkit-transition: .4s;
transition: .4s;
}
input:checked + .slider
{
background-color: #2196F3;
}
input:focus + .slider
{
box-shadow: 0 0 1px #2196F3;
}
input:checked + .slider:before
{
-webkit-transform: translateX(26px);
-ms-transform: translateX(26px);
transform: translateX(26px);
}
/* Rounded sliders */
.slider.round
{
border-radius: 34px;
}
.slider.round:before
{
border-radius: 50%;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<center>
<label class="switch">
<asp:CheckBox ID="chkOnOff" runat="server" Checked="true" />
<span class="slider round"></span>
</label>
<asp:Button ID="Button1" Text="Save" runat="server" OnClick="Save" />
</center>
</form>
</body>
</html>
C#
protected void Save(object sender, EventArgs e)
{
string onOff = chkOnOff.Checked ? "On" : "Off";
ClientScript.RegisterClientScriptBlock(this.GetType(), "", "alert('" + onOff + "')", true);
}
VB.Net
Protected Sub Save(ByVal sender As Object, ByVal e As EventArgs)
Dim onOff As String = If(chkOnOff.Checked, "On", "Off")
ClientScript.RegisterClientScriptBlock(Me.GetType(), "", "alert('" & onOff & "')", True)
End Sub
Screenshot
