ASP.Net - Calling javascript in User Control server side method

Question

I have a user control with a public method:

    public void ShowDetails(Guid requestGuid)
    {            
        Label1.Text = reportGuid.ToString(); //only for testing            

        ScriptManager.RegisterStartupScript(UpdatePanel1, UpdatePanel1.GetType(), "ShowEmailPreview", "alert('hi');", true);
        //ScriptManager.RegisterStartupScript(this, this.GetType(), "ShowEmailPreview", "alert('hi');", true); //doesn't work
        //Page.ClientScript.RegisterStartupScript(this.GetType(), "ShowEmailPreview", "alert('hi');", true); //doesn't work
    }

When hosting page for this user control calls ShowDetails(), I need to call some javascript.

I tried with ScriptManager.RegisterStartupScript and Page.ClientScript.RegisterStartupScript but it doesn't work... However if I add an UpdatePanel on my control and add script for UpdatePanel as shown above, it works well.

I don't want to add UpdatePanel onto my control just for the sake of calling javascript.

Am I missing something?

Thank you!

Nikhil · Accepted Answer · 2011-04-14 10:48:00Z

8

Actually changing your code as following should work.

ScriptManager.RegisterStartupScript(this.Page, typeof(System.Web.UI.Page), "ShowEmailPreview", "alert('hi');", true);

answered Apr 14, 2011 at 10:48

Nikhil

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1 Comment

Kulingar Over a year ago

This solution changed my week.

Greeed · Accepted Answer · 2012-03-26 04:49:25Z

0

ScriptManager.RegisterClientScriptBlock(this, typeof(Page), "ScriptName", "alert('hi');", true);

this is a shorter version

edited Mar 26, 2012 at 4:49

answered Mar 23, 2012 at 13:01

Greeed

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