By Jeff Webb
Why application Excel? For fixing complicated calculations and providing effects, Excel is quite entire with each that you can imagine function already in position. yet programming Excel is not approximately including new beneficial properties up to it is approximately combining latest positive aspects to unravel specific difficulties. With a couple of transformations, you could remodel Excel right into a task-specific piece of software program that might quick and accurately serve your wishes. In different phrases, Excel is a perfect platform for most likely hundreds of thousands of small spreadsheet-based software program solutions.The better part is, you could software Excel without extra instruments. A variation of the visible uncomplicated programming language, VB for functions (VBA) is equipped into Excel to facilitate its use as a platform. With VBA, you could create macros and templates, control person interface positive factors comparable to menus and toolbars, and paintings with customized person varieties or conversation containers. VBA is comparatively effortless to exploit, but when you will have by no means programmed prior to, Programming Excel with VBA and .NET is a smart strategy to examine much in a short time. if you are an skilled Excel person or a visible easy programmer, you will decide up loads of helpful new tips. builders looking ahead to .NET improvement also will locate dialogue of the way the Excel item version works with .NET instruments, together with visible Studio instruments for workplace (VSTO).This ebook teaches you ways to exploit Excel VBA by means of explaining suggestions essentially and concisely in simple English, and gives lots of downloadable samples so that you can examine via doing. you can be uncovered to quite a lot of initiatives most typically played with Excel, prepared into chapters in response to topic, with these topics reminiscent of a number of Excel items. With either the samples and critical reference details for every item integrated correct within the chapters, rather than tucked away in separate sections, Programming Excel with VBA and .NET covers the complete Excel item library. For these simply beginning out, it additionally lays down the fundamental ideas universal to all programming languages. With this single-source reference and how-to consultant, you are going to learn how to use the total variety of Excel programming projects to unravel difficulties, it doesn't matter what you are adventure point.
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Additional info for Programming Excel with VBA and .NET
Looking at the values Excel fills in is what I cover next. Figure 1-17. 6. View Results There are a number of ways to display results from code in Excel. " End Sub This code displays the number of sheets in the workbook using a simple dialog box as shown in Figure 1-18. Figure 1-18. It's easy to display results using MsgBox But that's not the same as getting data into a worksheet, which is more commonly what you want to do. To do that, you set the value of a Range object. ") Range("J5") = x ^ (1 / 3) End Sub That code gets a number from the user and displays the cube root of that number in cell J5.
Use short, descriptive names There are different conventions for naming variables and procedures but the crux of all of them is to be short and descriptive. Be careful not to be too descriptive though. I try to keep variable names down to a few characters and I tend to use whole words when naming procedures. Avoid ActiveSheet and Selection I know Excel records code this way, but it is much better to get a worksheet or range by name if possible. Relying on which worksheet or range is selected makes it harder to debug and reuse your code.
Excel 2003 navigates Help from the task pane on the right Figure 1-36. Earlier Excel versions, or opening the file directly, provides navigation as part of the Help window, on the left To open the Excel 2003 Help file directly, either click on the link on the Resources sheet or double-click on the Help file in Windows Explorer. CHM by default. chm by default. The graphic in Figure 1-36 shows how the Excel objects are organized. If you click on one of the boxes, you'll get more information about that object, as shown in Figure 1-37.
Programming Excel with VBA and .NET by Jeff Webb