System.Web.UI.Control.Focus C# (CSharp) Method

		public virtual void Focus ()
		{
			Page.SetFocus (this);
		}

        /// <summary>
        /// Adds Javascript code to safely set focus on the specified control.
        /// </summary>
        public static void Focus(this Web.UI.Control control, bool safe)
        {
            if (!safe)
            {
                control.Focus();
            }

            var script =
                @"setTimeout(function() {                     
                    var fn = function() { 
                        var control = $get('#CLIENT_ID#'); 
                        if (control && control.focus) { try { control.focus(); } catch (err) { } }
                        try{ Sys.Application.remove_load(fn); } catch (err) { }
                    };
                    Sys.Application.add_load(fn); fn();
                }, 10);".Replace("#CLIENT_ID#", control.ClientID);

            ScriptManager.RegisterStartupScript(control.Page, control.GetType(), control.ClientID + "_SetFocusOnLoad", script, addScriptTags: true);
        }