public virtual void CounterDelete(Counter entity)
{
TraceCallEnterEvent.Raise();
try
{
m_DataContext.BeginNestedTran();
try
{
m_DataContext.ndihdCounterDelete(entity.ID);
m_DataContext.CommitNested();
}
catch
{
m_DataContext.RollbackNested();
throw;
}
TraceCallReturnEvent.Raise();
return;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
TraceCallReturnEvent.Raise(false);
throw;
}
}
protected void Page_Load(object sender, EventArgs e)
{
string counterid = Request["id"];
_srv = ServiceFactory.GetCounterService();
if (Application["Counter_" + counterid] == null)
{
_counter = _srv.CounterSelect( 5 );
Application["Counter_" + counterid] = _counter.Count;
}
int value = Convert.ToInt32( Application["Counter_" + counterid]);
if (Session["CounterTemp_" + counterid] == null)
{
if(_counter == null)
_counter = _srv.CounterSelect( 5 );
value++;
_counter.Count = value;
// Save counter to an application var (the locks are there to make sure noone else changes it at the same time)
Application.Lock();
Application["Counter_" + counterid] = value.ToString();
Application.UnLock();
// Save counter to a text file
_srv.CounterUpdate( _counter );
// Set a session variable so this counter doesn//t fire again in the current session
Session.Add("CounterTemp_" + counterid, "True");
}
// ***** CREATE OUTPUT GRAPHIC FOR THE COUNTER *****
// Load digits graphic (must be in 0 through 9 format in graphic w/ all digits of set width)
System.Drawing.Image i = System.Drawing.Image.FromFile(Server.MapPath((Request.QueryString["src"])));
// Get digit dynamics from the graphic
int dgwidth = i.Width/10;
int dgheight = i.Height;
// Get number of digits to display in the output graphic
int digits = Convert.ToInt32(Request["digits"]);
// Create output object
Bitmap imgOutput = new Bitmap(dgwidth*digits, dgheight, PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(imgOutput);
int j;
int dg;
string srt = ("00000000000000" + value.ToString());
srt = srt.Substring( srt.Length - digits, digits );
for (j = 0; j < digits; j++)
{
// Extract digit from value
//dg = Convert.ToInt32(Math.Truncate((double)(value/(10 ^ (digits - j - 1)))) - Math.Truncate((double)(value/(10 ^ (digits - j))))*10);
dg = Convert.ToInt32( srt.Substring( j, 1 ) );
// Add digit to the output graphic
g.DrawImage(i, new
Rectangle(j*dgwidth, 0, dgwidth, dgheight),
new Rectangle
(dg*dgwidth,
0,
dgwidth,
dgheight),
GraphicsUnit.Pixel);
}
// Set the content type and return output image
Response.ContentType = "image/jpeg";
imgOutput.Save(Response.OutputStream, ImageFormat.Jpeg);
// Clean up
g.Dispose();
imgOutput.Dispose();
}
public virtual void CounterUpdate(Counter entity)
{
TraceCallEnterEvent.Raise();
try
{
m_DataContext.BeginNestedTran();
try
{
int count;
m_DataContext.ndihdCounterUpdate(entity.ID,
entity.Count, out count);
if (count == 0) throw new ServiceUpdateException();
m_DataContext.CommitNested();
}
catch
{
m_DataContext.RollbackNested();
throw;
}
TraceCallReturnEvent.Raise();
return;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
TraceCallReturnEvent.Raise(false);
throw;
}
}
public virtual Counter CounterSelect(DBInt IDVal)
{
TraceCallEnterEvent.Raise();
try
{
Counter result = null;
DataSet entitySet = m_DataContext.ndihdCounterSelect(IDVal);
if (entitySet.Tables[0].Rows.Count != 0)
{
result = new Counter(entitySet);
}
TraceCallReturnEvent.Raise();
return result;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
TraceCallReturnEvent.Raise(false);
throw;
}
}
// -------------------------------------------------------------------------------------
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="IDVal">Value of 'nID' field</param>
/// <param name="origInstance">Original document data to copy.</param>
// -------------------------------------------------------------------------------------
public Counter(DBInt IDVal,
Counter origInstance)
: base(IDVal, origInstance)
{
}
// -------------------------------------------------------------------------------------
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="origInstance">Original document data to copy.</param>
// -------------------------------------------------------------------------------------
public Counter(Counter origInstance)
: base(origInstance)
{
}
