Visual Basic

rahul.shendurnikar wrote:

i am creating the databse and table from VB.
Plz help me how to set 'Require' property of column to No.
When i append the column to table and table to databse, the 'Require ' property is by default set to YES, i want to set it to No.

codeadair wrote:

When i run my multithread program,Why the CPU use is always 100%?

Any issues will be appreciated!

codeadair wrote:

need to read data from a equipment continuously.

EM! I have found the reason.i evaluate data to a control of form.

And how can i avoid the problem?

While(bThreadRunning)
 
   'thread stuff
   ....
   Thread.Sleep(someMilliSeconds);
 
End While

codeadair wrote:

How could i transfer the data to a form control without hige cpu usage?

Nibu thomas wrote:

Just a min, what is the size of str. Is it too big a string. Edit controls only take a max of 64KB. () So if the string size is more that this then frequent updations could lead to 100% CPU usage

codeadair wrote:

The important point is we can't update the form control value(as textbox) in a thread ---a network friend says

Nibu thomas wrote:

codeadair wrote:
The important point is we can't update the form control value(as textbox) in a thread ---a network friend says


That's true.

codeadair wrote:

I need to display the data to user.And how could i deal with it?

codeadair wrote:

thanks for your reply
integer number. the range is 0~20000.

codeadair wrote:

i need to read data from a equipment continuously.

Nibu thomas wrote:

Is this the problem? How much time does it take to interface with this equipment?