$("#saveForm").on("submit", function (event) { event.preventDefault(); $.ajax({ url: "/save_data", type: "POST", data: $(this).serialize(), success: function (response) { if (response.success) { alert("Success: " + response.success); // Show success alert window.location.href = "/upload_excel_file"; // Redirect to the upload page } }, error: function (xhr) { if (xhr.responseJSON && xhr.responseJSON.error) { alert("Error: " + xhr.responseJSON.error); } else { alert("An unexpected error occurred. Please try again."); } } }); });