public bool openRsEx(bool showWindowCancel,
bool raiseProgressEvent,
bool showModal,
string sqlstmt,
out DbDataReader ors,
string function,
string module,
string title)
{
bool cancelDialogShowed = false;
fCancelQuery f = null;
ors = null;
try
{
// create a command to execute the query
cOpenRsCommand cmd = new cOpenRsCommand();
cmd.getExecuteCommand(this, sqlstmt);
// execute in asynchronous mode
cmd.execute();
int seconds = 0;
bool queryCanceled = false;
// wait until the query finish
while (!cmd.done)
{
// cancel dialog
if (showWindowCancel && seconds > 200)
{
// show the cancel dialog
if (!cancelDialogShowed)
{
f = new fCancelQuery();
if (m_openRsExDescript != "")
{
f.descript = "Getting data for: " + m_openRsExDescript;
}
f.Show();
cancelDialogShowed = true;
}
}
// events
if (raiseProgressEvent)
{
if (openRsProgress != null)
{
openRsProgress();
}
}
Application.DoEvents();
if (cancelDialogShowed)
{
if (f.cancel)
{
queryCanceled = true;
break;
}
}
System.Threading.Thread.Sleep(100);
seconds += 100;
}
// hide cancel dialog
if (showWindowCancel && cancelDialogShowed)
{
f.Hide();
}
if (queryCanceled)
{
pReconnect();
return false;
}
else
{
ors = cmd.ors;
return cmd.success;
}
}
catch (Exception ex)
{
cError.mngError(ex, "openRsEx", c_module, "");
return false;
}
finally
{
f = null;
}
}
