OPLDataAdapter Represents a set of data commands and a database connection that are used to fill a DataSet and update a data source.Constructors public OPLDataAdapter(); Initializes a new instance of the OPLDataAdapter class. public OPLDataAdapter (OPLCommand selectCommand); Initializes a new instance of the OPLDataAdapter class with the specified SQL SELECT statement. public OPLDataAdapter (string selectCommandText, OPLConnection selectConnection); Initializes a new instance of the OPLDataAdapter class with an SQL SELECT statement and an OPLConnection. public OPLDataAdapter (string selectCommandText, string selectConnectionString); Initializes a new instance of the OPLDataAdapter class with an SQL SELECT statement and a connection string.Methods public event OPLRowUpdatedEventHandler RowUpdated; Occurs during an Update operation after a command is executed against the data source. public event OPLRowUpdatingEventHandler RowUpdating; Occurs during an Update operation before a command is executed against the data source.