Row updating in gridview in asp net c windows updating best practice
This is most common in classes where you are using class-wide instantiated objects.
These questions have been collected from a variety of sources including some newsgroups, MSDN site and a few, answered by me at the MSDN forums.
A common requirement is to calculate the total of a currency field and display it in a textbox.
In the snippet below, we will be calculating the total of the ‘Freight’ field.
Every once in awhile, you come across this exception: System.
Null Reference Exception – “Object reference not set to an instance of an object.” You see people asking about this everywhere; about why are they getting this error. Note, regardless of the scenario, the cause is always the same in .