How can I call javascript method from my aspx.cs file

StackOverflow https://stackoverflow.com/questions/814642

Question

I have a javascript method which I have to call from the aspx page at the time of page load.

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Solution

Javascript methods are client-side methods, so you can not call them in your server side code.

But if you're looking for a way to call your method at the page load put your method call into script tag and write it in your aspx page : 

<body>
  <script language="javascript">
    myMethod();
  </script>
</body>

Or you can register your scripts from code-behind like that : 

protected void Page_Load(object sender, EventArgs e)
{
    string script = "myMethod();";

    if (!this.Page.ClientScript.IsClientScriptBlockRegistered("myPostBackScript"))
    {
        this.Page.ClientScript.RegisterClientScriptBlock(typeof(MyPage),
               "myPostBackScript", script, true);
    }
}
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