Search:

Can I use assembly created in .NET 2.0 in .NET 3.5 WEB APPLICATION ?

The solution I am looking for, should be database independent i.e. it takes data as input and returns either csv or html or pdf as per desired input. It will help if in future we migrate to another...

Is there any java component available to export data from database to csv or html or pdf ?

The disadvantage of keeping mutually execlusive columns are space that leads to perforamce hit.

For Example:

Let's say there are total 9 columns ( including primary key) now at any point of...

That's correct since these are not mutually exclusive columns but what about when mutually exclusive columns exist in same table, shouldn't mutual exclusive columns in different table ?

Concrete questions:

1. Can mutually exclusive columns exist in database ?
2. Can columns which might contain value and might not exist in database ?

-Navin

I would like add more information that:

1. All columns are dependent on primary key
2. Some columns are mutually exclusive i.e. one of them can contain values.
3. There are some more columns...

I am facing a problem during designing database that my table contains multiple columns but it's not necessary that all columns will contain value it might happen that some columns will not contain...

Thanks for your reply, further questions to your answers:

1. How to decide what to normalize what not as initially you don't know much table will grow ?
2. As I understand in case of varchar If I...

I am creating a database that's going to have millions of records. I would like to get answers for following questions:

1. Is there any dis-advantage of normalized database (like performance...

Just to mentioned that I googled alot but could not find any sample which fulfills all characteristics mentioned above :(

-Navin

I am looking for CtreeCtrl having following characterstics:

1. Provides multiple columns.
2. Multiple row selection.
3. Tooltip for individual columns in a row.

-Thanks,
Navin

Thanks alot, I can see control coming where I need to disallow selection.

Actually I have tree control inside list control in column1 and I would like to make sure that no one can select parent,...

I have 10 rows in my list box, I want user should be able to select only few, Is there any event in which I can check the selected item and based upon that I will allow / disallow selection.
...

I am parsing a txt file in c++ and after parsing I have data in tree form like:

Movie1
Actor
N1
N2
...

How can I create static library with Borland C++ and use it in client app. I could not find, how to specify lib in client app and because of this it give "unresolved external reference" function...

I would like to install my drivers through windows update. It would be good to know the process for that, and answers for following queries:

1. Process of submitting any driver to Windows Update....

I have various exported functions from my regular dll ( in C ). One of those functions need to be modified i.e. adding new parameter. Now question is:

Should I modify that exported API (...

How can I pass following structure from c# to unmanaged dll ?

typedef struct _TEST_
{
int length;
BYTE *byData
} TEST;

I had given file name path containing 237 Japanese Characters + 18 ( ASCII characters ) and _wfopen API opened it without any problem.

Thanks to all of you for providing advance information. I think most of you were surprised because of my weird requirement.


Now I tell you my concrete requirement.

...

I am not encoding. I have library, one of the interfaces of that library takes UTF8 encoded string. I have to validate the length of that UTF8 encoded string.

It's like you have implemented one...

It's a validation which exist in my business logic, that file path cannot be greater than 256.

Like there is a function wcslen to find out length of wide characters, there should be some function...

strlen won't work for me, as it will give me false result.As UTF8 may contain three bytes for one Japanese character ( or some other unicode character which takes 3 bytes in UTF8 encoding) and strlen...

I have UTF8 encoded string, how can I get the length of that string, keeping in mind that it should be portable on linux as well. So I can not use WideCharToMultiByte / MultiByteToWideChar API.

...