public virtual IAsyncResult BeginExecuteReader(AsyncCallback callback, object state, CommandBehavior behavior)
{
if (IsTraced)
{
Tracer.Instance.EnterFunction(TraceClass, "AsyncExecuteReader", new string[] { "CommandText", "callback", "state", "behavior", "Parameters" }, new object[] { this.CommandText, callback, state, behavior, this.GetTraceParameters(true) });
}
this.AsyncExecuteReader = new AsyncExecuteReaderHandler(this.ExecuteReader);
return(this.AsyncExecuteReader.BeginInvoke(behavior, callback, state));
}
public virtual DbDataReader EndExecuteReader(IAsyncResult asyncResult)
{
ParameterChecker.CheckNull("DbAccessCommand.EndExecuteReader", "AsyncExecuteReader", this.AsyncExecuteReader);
ParameterChecker.CheckNull("DbAccessCommand.EndExecuteReader", "asyncResult", asyncResult);
DbDataReader result = this.AsyncExecuteReader.EndInvoke(asyncResult);
this.AsyncExecuteReader = null;
if (IsTraced)
{
Tracer.Instance.LeaveFunction(TraceClass, "AsyncExecuteReader", new string[] { "asyncResult", "result", "Parameters" }, new object[] { "Null:" + (asyncResult == null), "Null:" + (result == null), this.GetTraceParameters(false) });
}
return(result);
}
