TDataSet/ja: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: TDataSet/ja
| Old | New | Line | |
|---|---|---|---|
| 1 | + | **TDataSet**はデータベースの実際のデータに対する主なリンクである。TDataSetの派生はテーブルもしくはクエリの結果のカーソルのような振る舞いをする。 | |
| 2 | + | ||
| 3 | + | ``` pascal | |
| 4 | + | SQLTransaction1.Database := SQLConnection1; | |
| 5 | + | SQLQuery1.Transaction := SQLTransaction1; | |
| 6 | + | DataSource1.DataSet := SQLQuery1; | |
| 7 | + | DBGrid1.DataSource := DataSource1; | |
| 8 | + | ``` | |
| 9 | + | ||
| 10 | + | データセット(例えば、クエリの結果)は以下のように編集できる: | |
| 11 | + | ||
| 12 | + | ``` pascal | |
| 13 | + | ds.Edit(); | |
| 14 | + | ds.FieldByName('NAME').AsString := 'Edited name'; | |
| 15 | + | ds.Post(); | |
| 16 | + | ds.UpdateMode := upWhereAll; | |
| 17 | + | ds.ApplyUpdates(); | |
| 18 | + | ``` | |
| 19 | + | ||
| 20 | + | ## 非抽象的派生 | |
| 21 | + | ||
| 22 | + | - [[TBufDataset/ja]] - | |
| 23 | + | - [[TMemDataset]] - | |
| 24 | + | - [[TSdfDataSet]] - | |
| 25 | + | - [[TFixedFormatDataSet]] | |
| 26 | + | - [[TDbf]] - dBaseに対する接続 | |
| 27 | + | - [[TParadox]] - Paradox/BDEに対する接続 (Dllが必要、機能が少ない、読み込み/書き込み) | |
| 28 | + | - [[TParadoxDataSet]] - Paradox/BDEに対する接続(機能豊富, 読み込みのみ) | |
| 29 | + | - [[TFPCodeGenerator]] | |
| 30 | + | - [[TSQLQuery/ja]] - SQLクエリの結果に対する接続 | |
| 31 | + | ||
| 32 | + | ## 以下も参照のこと | |
| 33 | + | ||
| 34 | + | - [[doc:fcl/db/tdataset.html|TDataSet doc]] | |
| 35 | + | - [[TBufDataset]] | |
| 36 | + | - [[TMemDataset]] | |
| 37 | + | ||
| 38 | + | --- | |
| 39 | + | *From the Free Pascal wiki, page "TDataSet/ja", as it stood on 2024-03-31 after a change by Ariben, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |