protected void Button1_Click(object sender, EventArgs e) { ArelleWebRepository arelleRepo = new ArelleWebRepository(Server.MapPath(TreeView1.SelectedNode.Parent.ValuePath)); ArelleWebRequest arr = new ArelleWebRequest(); arr.ViewParameters["file"] = Server.MapPath(TreeView1.SelectedNode.ValuePath); arelleRepo.GetRestResult(arr); Response.Redirect(string.Format("~/MenuItems.aspx?file={0}", arelleRepo.InstanceSavePath)); }