Call javascript on page from ASP.Net User Control Event

Question

I have a aspx page containing a user control (inside an UpdatePanel), the page subscribes to an event raised by a button click on the control.

Is it possible to call a javascript function on the page?

void control1_Edit(object sender, EventArgs e)
{
   // Call client-side javascript function here
}

Rush Frisby · Accepted Answer · 2011-05-19 22:21:35Z

1

You can use ScriptManager.RegisterStartupScript - this is specifically for usage within an updatepanel.

ScriptManager.RegisterStartupScript(UP1, UP1.GetType(), "alertHi", "alert('hi');", true);

edited May 19, 2011 at 22:21

answered May 19, 2011 at 22:12

Rush Frisby

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1 Comment

PMC Over a year ago

Thanks, I thought it would be harder than this. Is this the best way to do this or should it be a javascript event on the control?

m0sa · Accepted Answer · 2011-05-19 21:59:26Z

1

Use the ClientScript.RegisterClientScriptBlock method.

void control1_Edit(object sender, EventArgs e)
{
   if (!Page.ClientScript.IsClientScriptBlockRegistered(GetType(), "myScript"))
   {
      Page.ClientScript.RegisterClientScriptBlock(GetType(), "myScript", "<script>alert('hello world');</script>");
   }
}

answered May 19, 2011 at 21:59

m0sa

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