protected void Submit_Click(object sender, EventArgs e) { // Create request object BMButtonSearchRequestType request = new BMButtonSearchRequestType(); request.StartDate = startDate.Text; request.EndDate = endDate.Text; // Invoke the API BMButtonSearchReq wrapper = new BMButtonSearchReq(); wrapper.BMButtonSearchRequest = request; PayPalAPIInterfaceServiceService service = new PayPalAPIInterfaceServiceService(); BMButtonSearchResponseType response = service.BMButtonSearch(wrapper); // Check for API return status setKeyResponseObjects(service, response); }