BeginExecuteReader(AsyncCallback, object, CommandBehavior) method

Public Function BeginExecuteReader(
    ByVal callback As AsyncCallback,
    ByVal stateObject As Object,
    ByVal cmdBehavior As CommandBehavior
) As IAsyncResult

public IAsyncResult BeginExecuteReader(
    AsyncCallback callback,
    object stateObject,
    CommandBehavior cmdBehavior
)

callback A System.AsyncCallback delegate that is invoked when the command's execution has completed. Pass null (Nothing in Microsoft Visual Basic) to indicate that no callback is required.
stateObject A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback procedure using the System.IAsyncResult.AsyncState property.
cmdBehavior A bitwise combination of System.Data.CommandBehavior flags describing the results of the query and its effect on the connection. UltraLite.NET respects only the System.Data.CommandBehavior.Default, System.Data.CommandBehavior.CloseConnection, and System.Data.CommandBehavior.SchemaOnly flags.

A System.IAsyncResult that can be used to poll, wait for results, or both is returned; this value is also needed when invoking EndExecuteReader(IAsyncResult), which returns an ULDataReader instance that can be used to retrieve the returned rows.

ULException class Any error that occurred while executing the command text.

BeginExecuteReader(AsyncCallback, object, CommandBehavior) method

Visual Basic syntax

C# syntax

Parameters

Returns

Exceptions

See also