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DataSet cars = new DataSet();cars.WriteXml(desktopFileName("CarWithSchema.xml"), XmlWriteMode.WriteSchema); 阅读全文
posted @ 2012-05-04 14:55
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TheImportRow method is useful when theCurrentand Original data row version must be maintained. For example, after editing a datatable, you might want to copy the changedDataRow objects to a different data table butmaintain theOriginal and Current data row version. The ImportRow method on the DataTab 阅读全文
posted @ 2012-05-04 14:18
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These methods can be executed only onDataRow objects whose row state is Unchanged. 阅读全文
posted @ 2012-05-04 14:11
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Auto incrementing is found in many database products, but how can it possibly workproperly in your application? The connected classes haven’t been covered yet, but you canimagine that at some point you might want to send your new data to a back-end database. Ifyour application supplies the auto-incr 阅读全文
posted @ 2012-05-04 13:48
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