Call javascript's function from code behind

Question

I use below code for call javascript's function from code behind but doesn't call function

//C#
Page.ClientScript.RegisterStartupScript(this.GetType(), "close panel", "CloseFunction()", true);

//javascript
function CloseFunction() {
            alert("call");
            }

Answer 1

It should be true.

Page.ClientScript.RegisterStartupScript(this.GetType(), "close panel", "CloseFunction()", 
true);

Update Link:

ClientScriptManager.RegisterStartupScript Method

a Boolean value indicating whether to add script tags.