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DiffGram

  • 网络执行命令；资料集

DiffGramDiffGram
网络释义

DiffGram

执行命令

执行命令 (DiffGram)。附注 在程式码中，您必须於连接字串内提供 SQL Server 执行个体的名称。

资料集

当您更新资料录与 资料配接器 时，可以解压缩一个个别 的资料集 (DiffGram) 中所做的变更。这是必要的如果您想将变更传送 …

例句：
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Provides details on the DiffGram, an XML format used to read and write the contents of a DataSet.
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This block of the DiffGram format contains the current data, whether it has been modified or not.
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This block of the DiffGram format contains error information for a particular row in the DataInstance block.
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This block of the DiffGram format contains the original version of a row.
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Most importantly, Diffgrams provide object-model support through the ADO. NET DataSet object.
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You can also combine a DataSet object with a DataAdapter object to commit changes expressed in the Diffgram to the database.
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However, the DataSet can also be written as a DiffGram so that both the current and the original values of the rows will be included.
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Both methods use an XSD mapping schema to map the data inside the Diffgram to the database structure.
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When sending and retrieving a DataSet from an XML Web service, the DiffGram format is implicitly used.
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This method uses the DiffGram format for serializing DataSet, DataTable, and typed dataset objects in the data cache.
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Second, Diffgrams don't support updates on tables that use identity columns.
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Reads a DiffGram and adds the data to the current schema.
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Use a DiffGram when reading and writing a DataSet.

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