BugTrackingSystem.Tester.Bug.btnCancel_Click C# (CSharp) Method

        protected void btnCancel_Click(object sender, EventArgs e)
        {
            if (Page.Request.QueryString["projectId"] != null)
            {
                Response.Redirect("ProjectsBugs.aspx?projectId=" + Page.Request.QueryString["projectId"]);
            }
            else if(OldBug != null)
            {
                Response.Redirect("ProjectsBugs.aspx?projectId=" + OldBug.ProjectId);
            }
            Response.Redirect("ProjectsBugs.aspx");
        }