In this example we explain that how
to return value from JavaScript function to code behind using C# in asp.net.or how
to get the value from JavaScript function to code behind in asp.net using C#.or
how to use JavaScript function return value in code behind in asp.net using C#.
Here we demonstrate that how to
return JavaScript function value to code behind of asp.net using hidden field
element using C#.or Can i get value from javascript in C# code behind.
<%@
Page Language="C#" AutoEventWireup="true" CodeBehind="test.aspx.cs" Inherits="Dashboard.test" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>ASP.Net: Get Return Value from JavaScript
function in Code Behind using C# and
VB.Net</title>
<script
type="text/javascript">
function
Confirm() {
var
confirm_value = document.createElement("INPUT");
confirm_value.type = "hidden";
confirm_value.name = "confirm_value";
if
(confirm("Are you sure to do this
operation?")) {
confirm_value.value = "Yes";
} else
{
confirm_value.value = "No";
}
document.forms[0].appendChild(confirm_value);
}
</script>
</head>
<body>
<form
id="form1"
runat="server">
<asp:Button ID="btnConfirm"
runat="server"
OnClick="OnConfirm"
Text="Raise
Confirm"
OnClientClick="Confirm()" />
</form>
</body>
</html>
Aspx.cs:
using System;
using
System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using
System.Web.UI.WebControls;
namespace Dashboard
{
public partial
class test :
System.Web.UI.Page
{
protected
void Page_Load(object
sender, EventArgs e)
{
}
public void OnConfirm(object
sender, EventArgs e)
{
string
confirmValue = Request.Form["confirm_value"];
if
(confirmValue == "Yes")
{
//Here
you can perform your operation
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "alert",
"alert('You clicked YES!')", true);
}
else
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "alert",
"alert('You clicked NO!')", true);
}
}
}
}
0 comments:
Post a Comment