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Hi all, I am using an identity for a primary key. I have a foreign key in another table which references this primary key and for which the on update cascade is enabled. Does this mean that when i enter in a row for the table with the primary key, the table with the foreign key should also...

Hi, I am running a thread that goes to sleep every 150ms. At some point in my application I enable a timer for it to make a button flash different colours. Although the timer gets enabled, it is not stepping through to the timer tick event to make the button flash. Does a thread affect the...

Hi, I am running a serial communications application which should effectively run 24/7. I am using a timer tick event to send messages to the serial port, however i am finding that after the app has been running for 15-30mins, the messages are not being sent at the correct interval of 150ms...

Does anyone know how i can open up a form that keeps the last state of its controls as they were before the form was closed eg buttons are disabled when the form is closed, but when the form loads, the buttons are enabled, but need them to be disabled???

Does anyone know how to create auto complete functionality for a text box??

I have created on instance of form2 in form1 and need to pass a string value across. However my object does not hold any values of the variables from form2 and shows these as being 0. I have declared the instance of form2 within the Members region of my code and assigned a string to the object...

Does anyone know how i can get an array of bytes to be stored in another array. The problem is that i am reading from a serial port, which receives each byte separately. So the array of bytes actually only uses its zero element, as each byte comes in one at a time. I can't seem to access this...

Does anyone know how i can convert an ascii string to a hex string?