- script , , , CMS, - UserControl .
javascript/jquery.js
ClientScript.RegisterStartupScript() page_load if (! ispostback), .
ClientScript.RegisterStartupScript() - script say SlideshowFunction(); :
protected void Page_Load(object sender, EventArgs e)
{
ClientScript.RegisterStartUpScript(this,this.Gettype(),"scriptid","slideshowfunction();",true);
}