按钮单击在JavaScript中不起作用

Question

I'm trying to do a click in a html button through javascript , but I can't make it work.

This is the button I'm trying to click with javascript (it works when I click it)

<button id="btnClean" runat="server" type="button" class="btn btn-warning btn-cons m-b-10" onserverclick="btnClean_Click">
    <i class="fa fa-trash-o"></i>
    <span class="bold m-l-3">Limpar</span>
 </button>

This is the button that calls the javascript function:

<button id="btnCreateOS" type="button" class="btn btn-success btn-cons m-b-10" onclick="Clean();">
    <i class="fa fa-save"></i>
    <span class="bold m-l-3">Criar</span>
</button>

And this is my javascript (it is located under <form> tag in my .aspx page):

<script type="text/javascript">        

    function Clean() {

        document.getElementById("btnClean").click();

    }

</script>

And finally, this is the asp method:

public void btnClean_Click(object sender, EventArgs e)
{
   CleanFields();
}

Any ideas what I'm doing wrong?

Answer 1

Bsically what happens, when you are using master and content page then it always changes its id according to it default behavior.

function Clean() {
        //document.getElementById("btnClean").click()

        document.getElementById('<%= btnClean.ClientID %>').click();
    }

Another solution you just add ClientIdMode="Static" .

<button id="btnClean" runat="server" clientidmode="Static" type="button" class="btn btn-warning btn-cons m-b-10" onserverclick="btnClean_Click">
        <i class="fa fa-trash-o"></i>
        <span class="bold m-l-3">Limpar</span>
    </button>

in your button..

Then your current javascript code will also work..

function Clean() {
        document.getElementById("btnClean").click();

        //document.getElementById('<%= btnClean.ClientID %>').click();
    }

Answer 2

You should use

document.getElementById("btnClean").trigger("click");

instead, because it's faster. Maybe you should also try to prevent default behaviour in btnClear_Click? Try to add a console.log("a") (or rather "b" at the second) to your two functions, to see, if and which of the two functions are running.