Pass parameters to javascript function of user control

Question

I'm adding user control dynamically on my page.

MyPage.aspx:

MyControl cntl = (MyControl)Page.LoadControl("MyControl.ascx");

The MyControl.ascx has a javascript function:

function myfun(a, b)
{
    ....
}

I can pass parameters to myfun from code behind of MyControl.ascx like:

string script2 = String.Format("myfun({0},{1})", param1, param2);
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "initialize control", script2, true);

Is it possible to call this javascript function from MyPage.aspx?

It doesn't work if you transfer your code in script2 inside MyPase.aspx? — user1026130
– user1026130, Commented Nov 4, 2012 at 17:12
Could you please clarify your requirement a bit more? As soon as the control is loaded in the page, the javascript function inside the user control is rendered and ready to use from the ASPX page. In .aspx if you try to invoke e.g. myfun(10,12), it will work. — Tariqulazam
– Tariqulazam, Commented Nov 4, 2012 at 20:05

Sami · Accepted Answer · 2012-11-04 22:35:55Z

0

Yes you can call javascript dunction from mypage.aspx e.g. with a button

<asp:Button id="yourid" runat="server" OnClientClick="yourJavaScriptFunction("+a+","+b+")" />

Or anywhere in mypage.aspx.cs file

Response.Write("<script>yourJavaScriptFunction("+a+","+b+")</script>");

answered Nov 4, 2012 at 22:35

Sami

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