Sometimes you want to give your DataGrid the ability to edit fields, while the original data in the field is highlighted. Normally, you can click on the field to start

If you’re developing multiuser Jet-based applications, you probably know about Microsoft’s msldbusr.dll. It allows you to read the Jet lock files and get the correct number of connected users and

Suppose you have a table with this field: Customer_Code You can retrieve the field in many ways: rs.(0)rs(“Customer_Code”)rs.fields(0)rs.fields(“Customer_Code”)rs.fields.item(0)rs.fields.item(“Customer_Code”) In VBScript, the versions that use field indexes instead of names are

Consider the Data Definition Language statements: “ALTER TABLE [My Table] ADD COLUMN [My New Field] Single” and “ALTER TABLE [My Table] ADD COLUMN [My New Field] Double”. According to Microsoft

Most of my end users use laptops, which can have a wide variety of spreadsheet software installed. I often use this function when working with database tables or queries to

When building SQL statements, use the Tag property to hold the Field Name and Data Format. I use a naming convention of str, int, dat, and so on to determine

If you can be sure that your users are only running Internet Explorer 4.0 or higher, you can take advantage of Remote Data Services (RDS), now part of MDAC 2.x.

The most common way to call a script function is to have an element trap an event, which in turn calls the function, as in: Click here But what if

There are basically two ways to get recordsets with Remote Data Services (RDS). You can either use the system-provided RDSServer.DataFactory object or you can write your own full-blown custom business

One of the handy features of working with the ActiveX Data Object (ADO) is the ability to load the results of SQL select statements into a Recordset. Once you have

When you trap a keyboard event with any of the keyboard event handlers (onKeyUp, onKeyDown, or onKeyPress), the event object’s keyCode property contains the character value of the key that

One of the most common mistakes developers can make is to extensively use global variables. While they are sometimes necessary, global variables can cause problems in code that are both

Microsoft’s IE4 supports the ability to change just about any CSS1 style attribute dynamically. To access an element’s style, use the style object property that corresponds to the style attribute.

If you want to compare the values in two different textboxes, and you don’t want case to be a factor in whether or not the values are equivalent, you can

VBScript’s random number generator, Rnd, only generates random numbers between 0 and 1. If you need numbers in a different range, use the following formula: Int ((UpperBound – LowerBound +

If you are using a numeric IP address instead of a computer name to identify your Web server when creating an application, you may encounter an authentication error. This happens

In the HTML 3.2 specification, there was no way for an author to associate text with an intrinsic control such as a radio button or text box. Unlike an tag,

When using the element property innerHTML to change the text of an element, make sure that you don’t put hard carriage returns inside of the text string. Doing so will

When you create a Web site that includes frames, you can easily use a hyperlink in one frame to change the contents of a second frame. But you may frequently

If you want to protect your pages from being opened within a frame, use the following script: This code checks to see if this page is the top page (i.e.,

Each browser has its own way of managing whether or not a page is cached. You can prevent a browser from caching a Web page programmatically by setting the Response.Expires

If your ASP application is experiencing browser page loading performance problems, you may want to consider implementing one or both of the following techniques. First, a fairly easy way to

If you expect a user to enter a numerical value in a text box, you’ll want to do some data validation on the number. But suppose he’s included a dollar

When a browser requests an ASP page from the Web Server, but does not wait for the entire page to be downloaded, the server continues to process the request, wasting

One obvious way to display or filter large recordsets is alphabetically. This function will take a page file and an optional frame name (defaults to _self) and create a row

You can call a function from a link, instead of opening a new location, by assigning the function to the anchor tag’s href attribute, like this: Click here Notice that

Question: When I use a datawindow to generate a custom report, how can I pass a variable into the report from an input field? Answer: You can do this through

Question: About halfway through compiling a 32-bit EXE with PB 6.5 on Windows NT, I keep getting an “out of memory” message box and then another that says “DDE Server

Question: Can I insert comments inside a SQL query, like &#47&#42 &#42&#47 and &#47&#47in C++? Answer: SQL supports &#47&#42 and &#42&#47 for comments inside stored procedures and queries. You also

Question: I have several tables with the same structure and I’m trying to combine them all into one unique table. But I’m worried about performance because each table has a