Could you please advice the serial number protecting method for
software product ?
Thank you very much!
Best regards,

Is this a bug?
SqlClient Parameters collection
Prior to the following snippet a set of parameters were declared and
added to the parameters collection.

   I am trying to read the values from a excel row. There are 89
columns for each row and same number of data in each rows.
Kindly help
regards

About the date limitation software ( trail software )
If user change their system time/date, is the limitation still work?
It seems we need to write something to registry index, does Windows OS
fine for us to add it ? is there any issue.

Intellisense tells me in creating the first MessageBox below that string
Enum.ToString is deprecated. Is the preferred method shown in the second
MessageBox below? What is the preferred method to convert enum to string?
      private void button3_Click(object sender, EventArgs e)

I have a executable winforms application I would like to change.
I use quite a number of listview controls in my main form.
I dump about 15 columns of data into a couple of listviews.
This data comes from classes that implement Ienumerable ...

I would like to add some additional custom features to the listview, like
cell editing. The created object will be added to the form as part of the
GUI, and it should be able to handle events.
I will create a class which conains the listview. Should I inherit this

I am a beginner to socket programming to in c#. I know the concepts
as to how to program them. I get the above exception when i tried
writing the code for the server side on the line tcpListener.Start()
when i passed the localhost ip and port no. 4000:

I have a form1.  It has a textbox1.  I created another form2.  I want to grab
the value of textbox1 of form1 into form2.  I am doing like this
In form2
form1 myform = new form1();

Could you advice how to:
1. Pop up a message, I remember it is called messagebox.show() in VB6.
How to do it in VC#?
2. I want add a URL inside the messagebox, is that doable? How ?

Hi, Im using two forms, thanks to your help yesterday I resolved my
first problem. I open form1, from a menu I choose a task which loads
form2 which contains a treeview. O i expand each node until I get to
the last one, select this and form2 closes, with data bieng used in

I'm trying to create a Windows app with a clickable index of images
within a local folder.
Within a loop I've got:-
PictureBox pb = new PictureBox();

Hello... I create a setup application and distribute it to the clients for
testing. This package contains some DLL files that are installed onto the
users Program Files directory (eg. c:\program files\xxx\myDLL.dll). This DLL
now is supposed to function in a certain manner.

here we have aa limited broadband internet accounts, 5GB, 10GB and 15GB. I
want to calculate the total threshold to monitor the internet usage using
C#?

Hey ,,
I wanted to List user rights assignment programmatically using c#..
the function should list the privilege and the user it has been
granted to. I think it can be done using PInvoke . Is there another