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The Latest

Replace Selected Content

Question: How do I replicate the pasteHTML function supported by Internet Explorer in Netscape? Rewriting the layer isn’t the problem. The problem is determining the position of the text returned

Integration of Replication and DTS Steps

Question: I am trying to build a warehouse. The steps involved are: Make a snapshot replication of the OLTP onto the staging area. Run a DTS package that makes transformations

Access CGI Environment Variables

Question: Can JavaScript access CGI environment variables? Once a user has logged into my site, I would like to retrieve the user name from the “REMOTE_USER” variable. Answer: No, there

JSP Methods

Question: Is there a way to declare and invoke methods in JavaServer Pages? Answer: Methods can be declared in the same way as variables in JavaServerPages. It can help to

Caching JavaScript Code

Question: Is it possible to cache a JavaScript or remote .JS file on a client? It seems that while you can cache images, HTML, objects, and so on, caching .JS

Default Date Format

Question: I have an issue with date formats. I have a VB client piece of software that generates a select based on a particular date. However it only works on

Limiting SELECT Results to Only a Few Rows

Question: How do I limit an SQL SELECT statement to returning just the top ten producing offices? Answer: Use the TOP operator or SET ROWCOUNT to 10.

Add a Custom Favorites Icon

Question: When I add sites to my Microsoft Internet Explorer Favorites, the site’s logo (or icon) appears by the Web page’s name instead of the little “e” that usually appears

Prevent Caching Pages

Question: JavaScript provides straightforward methods for detecting things like browser version and platform, and a few options such as whether the client will accept cookies. But is there a way

Handling Single and Double Quotes

Question: I am trying to put lines of text into an array: messageArray = new Array();messageArray[0] = ‘Information deduced from the document’s content.’ I’m running into problems with the single

ADO Recordset

Question: Is there a way to programmatically reset the status of a record in an ADO 2.1 recordset? For example, I would like to change the status of a record

ActiveX Control to read URL properties

Question: I have a VB database application that, when I pass a unique id to a client object, opens that record (this explanation is simplified). I have to write an

Round to a Whole Number

Question: I have a program that calculates the number of people the government could send to college with the money they spend on certain defense programs. The script works, but

Maximum String Length

Question: What is the maximum length of a JavaScript string? Answer: Although there is no specific limit on the length of a JavaScript String, there are practical limits on how

Validate Data With Regular Expressions and XSL

xtensible Stylesheet Language (XSL) has slowly been gaining a reputation as the SQL of the hierarchical data world. Even with only the partial implementation that Microsoft’s XSL offers, you can

Memory Management

ven though the Java Virtual Machine performs automatic garbagecollection, you can’t completely forget about memory managementissues. How and when garbage collection is performed isimplementation dependent. Some JVMs will wait until

Filter Data from a Database

n last month’s 10-Minute Solution, you learned how to display selective data from a database based on the user’s choice. This time you’ll see how to improve and optimize this

Consolidating Tables for Easier Database Maintenance

n designing a relational system, the simplicity of each individual relation belies the complexity engendered by the multiplicity of tables created by implementing that model. However, simply by observing “good

Behavior Code

y now I am sure that many Visual Basic developers are leveraging their Visual Basic skills to do some Web development. In this Solution, I’ll cover DHTML Behaviors, a new

Sharing Data in an Application

isual Basic offers many methods for sharing data within an application. When we talk about sharing data, there are several possible levels of sharing: Within a procedure Within a form/code

Design a Matrix

Question: How do I design a matrix using XML? This matrix needs to be a separate tree from the main XML tree. How do I communicate between the two trees?

Invoke Async Call by XMLHTTPRequest in VB

Question: I am using the XMLHTTPRequest object in Visual Basic to invoke an async call. How do I register a complete event handler of the XMLHTTPRequest object? Answer: You’re not

Save XML Text to a String

Question: I’m using MSXML to create a DOMDocument and add nodes and attributes. When I’m done, I’d like to save the XML text into a string. Unfortunately, the Save method

Looking for a Sample Database with Exercises

Question: I’m looking for sample database in a form of Create Table statement+Insert statements and beginner-level assignments using this database. Do you know where I can find something like that?

Enable and Disable all or part of a scrollbar

The new FlatScrollbar controls expose the ability to selectively disable their arrows. This is useful, for example, when the thumb indicator is at its minimum or maximum: Private Sub FlatScrollBar1_Change()

Hide and Show a control’s scrollbars

Most VB controls don’t let you determine whether they should display a scrollbar or not. For example, a VB ListBox control displays a vertical scrollbar only when the number of

Create colorful Command Buttons

The VB CommandButton control supports neither the ForeColor nor the BackColor properties. If you want to create colorful buttons without resorting to 3rd party controls, you can use an OptionButton

Make a Checkbox control read-only

By default, VB’s CheckBox controls automatically toggle their Value property when the user clicks on them. This is usually the desired behavior, but at times you may want to be