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I would say that it would be a better practice to not swallow the null case with Convert.ToString(), but instead handle it by either allowing for a null category, or checking for it and taking appropriate action, like maybe throwing an exception.

Maurice Reeves
– Maurice Reeves

2012-12-31 05:47:32 +00:00
Commented Dec 31, 2012 at 5:47
thanks for your reply. i just edited the code and change the combobox method for getting the text.

randytan
– randytan

2012-12-31 05:48:55 +00:00
Commented Dec 31, 2012 at 5:48

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Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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