rezaaminilb 10 ماه قبل

سلام استاد من سعی کردم دیتابیس رو اجرا کنم ولی نشد این خطا رو برام آورد در ضمن آیدی رو خطا میداد که به صورت لیزی تعریف کردم Error: Unexpected null value. at Object.throw_ [as throw] (http://localhost:43403/dart_sdk.js:5041:11) at Object.nullCheck (http://localhost:43403/dart_sdk.js:5366:30) at platform_channel.MethodChannel.new.get binaryMessenger [as binaryMessenger] (http://localhost:43403/packages/flutter/src/services/system_channels.dart.l ib.js:931:32) at platform_channel.MethodChannel.new._invokeMethod (http://localhost:43403/packages/flutter/src/services/system_channels.dart.l ib.js:938:34) at _invokeMethod.next () at runBody (http://localhost:43403/dart_sdk.js:37422:34) at Object._async [as async] (http://localhost:43403/dart_sdk.js:37453:7) at platform_channel.MethodChannel.new.[_invokeMethod] (http://localhost:43403/packages/flutter/src/services/system_channels.dart.l ib.js:936:20) at platform_channel.MethodChannel.new.invokeMethod (http://localhost:43403/packages/flutter/src/services/system_channels.dart.l ib.js:949:33) at method_channel_path_provider.MethodChannelPathProvider.new.getApplicationDoc umentsPath (http://localhost:43403/packages/path_provider_platform_interface/src/method _channel_path_provider.dart.lib.js:122:33) at getApplicationDocumentsDirectory (http://localhost:43403/packages/path_provider/path_provider.dart.lib.js:91: 49) at getApplicationDocumentsDirectory.next () at runBody (http://localhost:43403/dart_sdk.js:37422:34) at Object._async [as async] (http://localhost:43403/dart_sdk.js:37453:7) at Object.getApplicationDocumentsDirectory (http://localhost:43403/packages/path_provider/path_provider.dart.lib.js:90: 18) at myDb.MyDB.local.initDb (http://localhost:43403/packages/mysqlite2/myDb.dart.lib.js:67:55) at initDb.next () at runBody (http://localhost:43403/dart_sdk.js:37422:34) at Object._async [as async] (http://localhost:43403/dart_sdk.js:37453:7) at myDb.MyDB.local.initDb (http://localhost:43403/packages/mysqlite2/myDb.dart.lib.js:66:20) at myDb.MyDB.local.database (http://localhost:43403/packages/mysqlite2/myDb.dart.lib.js:61:55) at database.next () at runBody (http://localhost:43403/dart_sdk.js:37422:34) at Object._async [as async] (http://localhost:43403/dart_sdk.js:37453:7) at myDb.MyDB.local.get database [as database] (http://localhost:43403/packages/mysqlite2/myDb.dart.lib.js:57:20) at myDb.MyDB.local.insert (http://localhost:43403/packages/mysqlite2/myDb.dart.lib.js:81:30) at insert.next () at runBody (http://localhost:43403/dart_sdk.js:37422:34) at Object._async [as async] (http://localhost:43403/dart_sdk.js:37453:7) at myDb.MyDB.local.insert (http://localhost:43403/packages/mysqlite2/myDb.dart.lib.js:80:20) at main (http://localhost:43403/packages/mysqlite2/main.dart.lib.js:147:25) at main.next () at runBody (http://localhost:43403/dart_sdk.js:37422:34) at Object._async [as async] (http://localhost:43403/dart_sdk.js:37453:7) at main$ (http://localhost:43403/packages/mysqlite2/main.dart.lib.js:145:18) at main (http://localhost:43403/web_entrypoint.dart.lib.js:33:29) at main.next () at http://localhost:43403/dart_sdk.js:37403:33 at _RootZone.runUnary (http://localhost:43403/dart_sdk.js:37274:59) at _FutureListener.thenAwait.handleValue (http://localhost:43403/dart_sdk.js:32530:29) at handleValueCallback (http://localhost:43403/dart_sdk.js:33057:49) at Function._propagateToListeners (http://localhost:43403/dart_sdk.js:33095:17) at _Future.new.[_completeWithValue] (http://localhost:43403/dart_sdk.js:32943:23) at http://localhost:43403/dart_sdk.js:32194:46 at _RootZone.runUnary (http://localhost:43403/dart_sdk.js:37274:59) at _FutureListener.then.handleValue (http://localhost:43403/dart_sdk.js:32530:29) at handleValueCallback (http://localhost:43403/dart_sdk.js:33057:49) at Function._propagateToListeners (http://localhost:43403/dart_sdk.js:33095:17) at _Future.new.[_completeWithValue] (http://localhost:43403/dart_sdk.js:32943:23) at async._AsyncCallbackEntry.new.callback (http://localhost:43403/dart_sdk.js:32964:35) at Object._microtaskLoop (http://localhost:43403/dart_sdk.js:37526:13) at _startMicrotaskLoop (http://localhost:43403/dart_sdk.js:37532:13) at http://localhost:43403/dart_sdk.js:33303:9

1 پاسخ
Hesam عضو سایت 10 ماه قبل

سلام
چه دیتابیسی منظورتون دیتابیس آموزش خاصی هست؟ به کد شما که من دسترسی ندارم متن لاگ هم کامل نیست ولی احتمالا سعی دارید روی وب اجرا کنید

rezaaminilb پاسخ داده شده 10 ماه قبل

درسته استاد من سیستمم ضعیفه رو کروم ران کردم .

Hesam عضو سایت پاسخ داده شده 10 ماه قبل

پکیج sqflite از نسخه وب پشتیبانی نمیکنه