If you’re developing a VB database application, you’re probably using a DSN (data source name) because it makes the access to your database file easier. Of course, when you distribuite
If you want to create an ADO Command using VB code, remember to always set the CommandType property to the appropriate adCmdxxxx constant value. If you don’t this, will be
You’re probably aware that most VB functions don’t work well with Null values, which is an issue when you’re working with database columns that can accept Nulls. For example, the
If you want to draw user’s attention but you don’t want to force the form to move to the foreground, you can simply flash its caption (and its icon in
If you’re displaying a long string, which contains line feeds and carriage returns, then replace those ASCII characters with something that will format the string before displaying the same to
A reader tried to declare a template as a virtual member function of a class. However, his compiler refused to compile the code. The reader wanted to know what he
Many C compilers provide a non-standard feature called “structured exception handling”, or SEH for short. SEH can trap asynchronous, platform-specific exceptions such as division by zero, floating point overflow and
You should always prefer to use one language in your Web pages.When you use both VBScript and JavaScript on the same page, bothscript engines are loaded into memory. Simply rewriting
The SQL Server 7.0 automatically recalculates the table’s distribution statistics when the number of changes reaches some predefined values. This automatic recalculation of the distribution statistics can cause problems such