BigQueryRowUpdatingEventArgs Class

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Syntax


'Declaration Public Class BigQueryRowUpdatingEventArgs Inherits System.Data.Common.RowUpdatingEventArgs


public class BigQueryRowUpdatingEventArgs : System.Data.Common.RowUpdatingEventArgs

Remarks

The BigQueryDataAdapter.RowUpdating event is raised before an update to a row.

When using the System.Data.Common.DbDataAdapter.Update() method, there are two events that occur for each data row updated: BigQueryDataAdapter.RowUpdating and BigQueryDataAdapter.RowUpdated. The order of execution for an update operation is as follows:

The values in the System.Data.DataRow are moved to the parameter values.
The BigQueryDataAdapter.RowUpdating event is raised.
The command executes.
If the System.Data.UpdateRowSource enumeration is set to System.Data.UpdateRowSource.FirstReturnedRecord, the first returned result is placed in the System.Data.DataRow.
If there are output parameters, they are placed in the System.Data.DataRow.
The BigQueryDataAdapter.RowUpdated event is raised.
System.Data.DataRow.AcceptChanges is called.

Inheritance Hierarchy

System.Object
   System.EventArgs
      System.Data.Common.RowUpdatingEventArgs
         Devart.Data.BigQuery.BigQueryRowUpdatingEventArgs

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