how to fire button click event on page load in asp.net automatically

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Hi All,

Please any one suggest me how to fire button click event on page load in asp.net.
But we do not want to call method in the place of button click event on page load.

Thanks

Mukesh kumar

Posted 26-Sep-12 20:54pm

MukeshKumar875

Updated 8-Jan-19 2:56am

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OriginalGriff 27-Sep-12 2:58am

Why would you want to do that? It means that the page load would immediately trigger a roundtrip to the server.
Ignoring that this is
a) a bit stupid and
b) not a nice user experience
it is also silly in that unless you are careful (and document it all pretty well) you risk future versions looping, since the round trip will cause a postback, which causes a page load, which tiggers a click, which causes a postback...

5 solutions

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Tejas Vaishnav · Answer 1 · 2012-09-26T21:00:00

Solution 1

you can directly call your button click event like this.

C#

//btnSubmit is my asp.net button control's id
btnSubmit_Click(btnSubmit,null);

or using jquery like this..

JavaScript

$(document).ready(function(){
   //Id of your button control either it is server  control or simple html control
   $("[id*='btnSubmit']").click();
});

if you want to call your button click event in your page load you can directly call like

C#

protected void Page_Load(object sender, EventArgs e)
{
    //btnSubmit is my asp.net button control's id
    //It will fire each and every time your page load event is fire.
    btnSubmit_Click(btnSubmit,null);
}

Posted 26-Sep-12 21:00pm

Tejas Vaishnav

Updated 27-Sep-12 2:34am

v4

Comments

Strange_Pirate 27-Sep-12 6:29am

Better Described code:

< a href="#" id="someButton"> Foo < /a >
<script type="text/javascript">
$(document).ready(function() {
// bind the click event
$('#someButton').click(function() {
alert('baz');
});

// trigger the click event
$('#someButton').click();
});
</script>

Tejas Vaishnav 27-Sep-12 8:28am

no need to write click event in jquery to call it.
if you simply write $("[id*='btnSubmit']")click(); in you document's ready state then it will automatically call or post back your page and fire that button click event.

Strange_Pirate 27-Sep-12 9:40am

I just try to help him out, if we provide the whole thing as ready mate then that person have no idea how it works. and also he/she become lazy to work with their own self. so i always provide hints not direct solution so they can resolve their problem by them selves so if in future they get any problem regarding this then they can handle it easily.

Tejas Vaishnav 28-Sep-12 1:40am

You are trying to tease me or what..??

Strange_Pirate 28-Sep-12 7:07am

No way man...!
Following You.
Great articles and knowledge sharing by you.
Wanna learn so many new things from you .!
Will You help me to do so .?

Balaji Moorthy 26-Sep-15 13:43pm

no...................... he is right actually

syed wasim akbar · Answer 2 · 2014-11-12T22:27:00

Solution 5

XML

<script type="text/javascript">
        window.onload = function callButtonClickEvent() {
            document.getElementById('<%=btnSubmit.ClientId %>').click();
        }
</script>

Posted 12-Nov-14 22:27pm

syed wasim akbar

Comments

Tomas Takac 13-Nov-14 6:29am

Why are you posting an answer to a question almost 2 months old? Moreover you solution is the same as #4.

VIPR@T · Answer 3 · 2012-09-26T21:04:00

Solution 3

Hi,

you can create one javascript function to call your server side button click event like :

JavaScript

document.getelementbyid('btn1').click();

and you can call this javascript function on page load.

I hope it may be help you.

Thanks,
Viprat

Posted 26-Sep-12 21:04pm

VIPR@T

Updated 27-Sep-12 2:31am

v2

Comments

Er. Gayatri 27-Sep-12 3:28am

Hi,

Can you please give details of why do you want to do it or what do you actually want to do?

Vipul J Patel · Answer 4 · 2012-09-26T23:32:00

you can use below javascript function to call button click event in page load event.

XML

<script type="text/javascript">
        window.onload = function callButtonClickEvent() {
            document.getElementById('<%=btnSubmit.ClientId %>').click();
        }
</script>

Thanks,
Vipul Patel
3i InfoCom

Firas Nizam · Answer 5 · 2019-01-08T02:56:00

this function is what you need:

public static void DoClick(this System.Web.UI.WebControls.Button btn)
    {
        System.Reflection.MethodInfo m = typeof(System.Web.UI.WebControls.Button)
            .GetMethod("OnClick", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
        m.Invoke(btn, new object[] { EventArgs.Empty });
    }

how to fire button click event on page load in asp.net automatically

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