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SQL Anywhere 11.0.1 (Français) » UltraLite - .NET Programming » UltraLite .NET 2.0 API reference » ULCommand class » ExecuteReader methods


ExecuteReader() method

Executes a SQL SELECT statement and returns the result set.

Visual Basic
Public Function ExecuteReader() As ULDataReader
public ULDataReader ExecuteReader();
Return value

The result set as a ULDataReader object.


The statement is the current ULCommand object, with the ULCommand.CommandText and any ULCommand.Parameters as required. The ULDataReader object is a read-only result set. For editable result sets, use ULCommand.ExecuteResultSet(), ULCommand.ExecuteTable(), or a ULDataAdapter.

If the ULCommand.CommandType is System.Data.CommandType.TableDirect, ExecuteReader performs an ULCommand.ExecuteTable() and returns a ULTable downcast as a ULDataReader.

SELECT statements are marked as read-only by default for performance reasons. If the query is going to be used to make updates, the statement must end with " FOR UPDATE".

This is the strongly-typed version of System.Data.IDbCommand.ExecuteReader() and System.Data.Common.DbCommand.ExecuteReader().

See also