If You're using VC++ so I recommend You to test run
Your app within VC++ IDE.
Then You can step through your code , line by line and
check for variables if they are what You think they are.
A very easy and effective way to find errors !!
---------------------------------------
=d0Mi= , DCS.net
[EMAIL PROTECTED]
---- Original Message -----
Date: 5-May-2002 14:44:47 +0200
From: Alexandru Coseru <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Subject: VC++ functions for mysql
>
>
>
> Hello .
> I'm a small VC++ programmer , and I have some problems with mysql c
> functions.
>
> What I wanna do , and I don't know how, it's to get an field value from a
> table and put it in a char* or into an int
>
> For instance , I have a small table , with two fileds
> name char(50),
> age int(40)
>
>
> Another thing is to convert the number of the records into a long.
>
> Now , using thoose routines from the documentation:
>
>
>
>
> int main() {
> Connection con("my");
> char * name=new char[50];
> int age;
> Query query = con.query();
>
> query << "select * from mytable";
> Result res = query.store();
>
>
> // cout << "Records Found: " << res.size() << endl << endl;
> long records=res.size() : ?????
>
> Row row;
> Result::iterator i;
> // The Result class has a read-only Random Access Iterator
> for (i = res.begin(); i != res.end(); i++) {
> row = *i;
> strcpy(name,row["name"];
> age=row["age"];
>
> // do something with name and age here....
>
> }
> delete name;
> return 0;
> }
>
>
>
> By running this example , my program crashes.
>
> Why ?
> And how can I do it right ?
>
>
>
>
>
>
> Thanks
> Alex
> Coseru
>
>
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>
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