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Questionwhat is different between DataAdapter.Update( ) and DataSetAcceptChange( ) in ADO.Net Pin
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AnswerRe: what is different between DataAdapter.Update( ) and DataSetAcceptChange( ) in ADO.Net Pin
Sandeep Mewara3-Nov-12 7:43
mveSandeep Mewara3-Nov-12 7:43 
AcceptChanges is used to update the dataset while Update method is used to update the database.

The Update method of the DataAdapter is called to resolve changes from a DataSet back to the data source. The Update method, like the Fill method, takes as arguments an instance of a DataSet, and an optional DataTable object or DataTable name. The DataSet instance is the DataSet that contains the changes that have been made, and the DataTable identifies the table from which to retrieve the changes.

Whereas

Calling AcceptChanges on the DataSet, DataTable, or DataRow causes all Original values for a DataRow to be overwritten with the Current values for the DataRow. If the field values that identify the row as unique have been modified, after calling AcceptChanges the Original values will no longer match the values in the data source. AcceptChanges is called automatically for each row during a call to the Update method of a DataAdapter.

Details here: MSDN: Updating Data Sources with DataAdapters[^]
Sandeep Mewara
Microsoft ASP.NET MVP

[My latest Article]: Server side Delimiters in ASP.NET[^]

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