Cursor.getstring 2
I'm querying my database, and tests show that the query is successful, specifically the getCount () method returns 2 as the number of rows the cursor object contains. However when I call the getString () method it throws an exception instead of returning the column data. WebJan 17, 2024 · Cursor cursor = Connector.getDatabase().query(tableWithFK, null, "id = ?", new String[] {String.valueOf(id)}, null, null, null); long foreignKeyId = 0; if (cursor.moveToFirst()) { foreignKeyId = cursor.getLong(cursor.getColumnIndexOrThrow(BaseUtility …
Cursor.getstring 2
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http://c.biancheng.net/view/4798.html WebBest Java code snippets using android.database.sqlite. SQLiteDatabase.query (Showing top 20 results out of 3,564) Refine search Cursor.moveToFirst Cursor.getString Cursor.close android.database.sqlite SQLiteDatabase query
WebSep 17, 2024 · 위의 테이블에서 Cursor.getString(1);을 하면 현재 커서가 위치한 1행(Name)에 있는 James값 을 가져온다 Cursor.getColumnIndex(StringcolumnName); 해당 컬럼 이름에 대한 인덱스를 반환 없으면 -1 반환 Cursor.getPosition(StringcolumnName); 커서가 가리키고 있는 행의 Position을 반환 한다. … Web我嘗試了許多不同的方法來執行此操作,但是基本上,當我從數據庫中獲取所有數據時,我想將其存儲在數組中,但是當從數據庫中讀取數據時,我不知道如何遍歷索引。 這是我獲取數據並將其添加到數組的方式: 為了進行測試和簡化,我在數據庫中有兩行,我有一個for循環,該循環向數組添加了 ...
WebAndroid ListView中是否存在重复数据?,android,sqlite,listview,adapter,Android,Sqlite,Listview,Adapter,我有一个从Sqlite填充的ListView。 WebApr 13, 2024 · private void queryContact (String number) { Uri uri = Uri.parse ("content://com.android.contacts/data/phones/filter/" + number); ContentResolver resolver = getContentResolver (); Cursor cursor = resolver.query (uri, new String [] {"display_name"}, null, null, null); if (cursor.moveToFirst ()) { String name = cursor.getString (0); …
WebJun 15, 2024 · SQLiteDatabaseのデータベース操作の中で、Cursor.getString (0)を同じループ内で2回呼び出したら、IndexOutOfBoundsExceptionが出てきてしまいました。 呼出を1回にしたところ、エラーが出なかったので、原因は複数回呼び出したことだと思うのですが、getStringやgetIntなどは、一つのpositionにつき1回しか呼び出せないのでしょう …
WebAug 30, 2011 · ListView не отображает информацию из Cursor. Нужно ли использовать адаптер, который я создал? Я пытаюсь отобразить результаты в TextViews с помощью List. number one gaming headsetsWebDec 28, 2024 · String _recipe = cursor.getString(cursor.getColumnIndex(Dbadapter.RECIPE)); 它将确保您将始终获得 … number one grandma shirtWebString selection = "_id = "+id; Uri uri = Uri.parse("content://sms"); Cursor cursor = contentResolver.query(uri, null, selection, null, null); String phone = cursor. getString … nioh cheats ps4WebDec 28, 2024 · cursor.getstring ()在数据库中得到了错误的字段。 [英] cursor.getstring () is getting the wrong field in the database 2024-12-28 其他开发 java android database 本文是小编为大家收集整理的关于 cursor.getstring ()在数据库中得到了错误的字段。 的处理/解决方法,可以参考本文帮助大家快速定位并解决问题,中文翻译不准确的可切换到 English … number one grandmaWeb语法2 getString (String columnLabel)) 参数说明: columnLabel:数据表中列名称或别名。 示例 下面的代码利用 getString 方法的第二种语法格式获取指定列值。 Connection conn = …… //省略部分代码 String sql = "SELECT username,pwd FROM myTable"; Statement st = conn.createStatement(); ResultSet rs = st.executeQuery( sql ); while( rs.next()){ System. … number one gas stoveWebHow to use getString method in android.database.Cursor Best Java code snippets using android.database. Cursor.getString (Showing top 20 results out of 9,828) Refine search … number one grallaWebJul 14, 2024 · There are three ways to create a cursor from the Uri: ManagedQuery () – The preferred approach in Android 2.3 (API Level 10) and earlier, a ManagedQuery returns a cursor and also automatically manages refreshing the data and closing the cursor. This method is deprecated in Android 3.0 (API Level 11). number one gas grill