Showing posts with label java scripts. Show all posts
Showing posts with label java scripts. Show all posts

Thursday, 23 January 2014

check postback in asp.net using javascript

09:53 By No comments

read our previous articles how-to-disable-back-button-in-browser  and prevent-page-refresh-on-button-click-in-asp.net

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

<head runat="server">

    <title>Untitled Page</title>

    <script type="text/javascript">
var check = <%= Page.IsPostBack ? "1" : "0" %>;
if(check==1)
{
alert("PostBack window");
}
else
{
alert("first window");
}
</script>
</head>
<body>
    <form id="form1" runat="server"  >
    <div>
  This exaple to check posback in asp.net c#


        <asp:Button ID="Button1" runat="server" Text="Button" />

    </div>

    </form>

</body>

</html>

run code and view action ...

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pass textbox value into a javascript function using asp.net c#

09:51 By No comments

Read our previous articles  check-postback-in-asp.net and how-to-disable-back-button-in-browser
<html xmlns="http://www.w3.org/1999/xhtml" >

<head id="Head1" runat="server">

    <title>Untitled Page</title>

<script type="text/javascript">
function function1()
{
var a=document.forms[0]["TextBox1"].value;
alert(a); 
}
</script>

</head>

<body>

    <form id="form1" runat="server">

    <div>

              <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

         

        <asp:Button ID="pass1" runat="server" OnClientClick="function1()"  Text="pass calue"

           />

    </div>

    </form>

</body>

</html>

check and view result ...

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Friday, 6 December 2013

How to disable back button in browser

08:43 By No comments

Add  onload="noBack();" onpageshow="if (event.persisted) noBack();" on body tag.
Example :

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body onload="noBack();" onpageshow="if (event.persisted) noBack();">
    <form id="form1" runat="server"  >
    <div>
    login name :  <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <br />
    password :<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox> <br />
        <asp:Button ID="Button1" runat="server" Text="ok" />
    </div>
    </form>
</body>
</html>

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