public virtual IAsyncResult BeginExecuteXmlReader(AsyncCallback callback, object state)
{
if (IsTraced)
{
Tracer.Instance.EnterFunction(TraceClass, "AsyncExecuteXmlReader", new string[] { "CommandText", "callback", "state", "Parameters" }, new object[] { this.CommandText, callback, state, this.GetTraceParameters(true) });
}
this.AsyncExecuteXmlReader = new AsyncExecuteXmlReaderHandler(this.ExecuteXmlReader);
return(this.AsyncExecuteXmlReader.BeginInvoke(callback, state));
}
public virtual XmlReader EndExecuteXmlReader(IAsyncResult asyncResult)
{
ParameterChecker.CheckNull("DbAccessCommand.EndExecuteXmlReader", "AsyncExecuteXmlReader", this.AsyncExecuteXmlReader);
ParameterChecker.CheckNull("DbAccessCommand.EndExecuteXmlReader", "asyncResult", asyncResult);
XmlReader result = this.AsyncExecuteXmlReader.EndInvoke(asyncResult);
this.AsyncExecuteXmlReader = null;
if (IsTraced)
{
Tracer.Instance.LeaveFunction(TraceClass, "AsyncExecuteXmlReader", new string[] { "asyncResult", "result", "Parameters" }, new object[] { "Null:" + (asyncResult == null), "Null:" + (result == null), this.GetTraceParameters(false) });
}
return(result);
}
