Stop SelectedIndexChanged from Firing on Form Load Event

Submitted by admin on

If you are using SelectedIndexChanged in your ComboBox may be you encounter a problem with events being fired even if you did not click the ComboBox.

This happens when you open and close your Windows Form. The workaround for this is to use RemoveHandler statement.

Here’s an example:

How to Create Master/Detail Windows Forms

Submitted by admin on

On my last tutorial I discuss on “How to Display Data in Windows Forms”. This time I will teach you on “How to Create Master/Detail Windows Forms”.

Creating a master/detail form still requires the same method as displaying data in windows forms. Except that we use additional control called “DataGridView”. This control will display the related record known as child form.

Download Crystal Reports 2010 for Visual Studio Now

Submitted by admin on
Last October 2010 I wrote an article about Crystal Reports for Visual Studio 2010. I am eagerly waiting for the release of this great reporting tool for Visual Studio. Finally, you can download it now for free. One click…No cost. No registration. No barriers. If you want to download earlier version, click here. Related article: Download Crystal Reports for Visual Studio 2012 The size of Crystal

How to Change Connection String at Run Time

Submitted by admin on

One of the challenging parts in VB.NET is to change the connection string of your database location when you run your application.

This tutorial will help you solve this problem. This will apply only to SQL Server but it can be also modified easily to work with MS Access and other DBMS.

In my case I initialize this on the Form Load event on my Login form.

A simple PHP application that demonstrates the use of MVC pattern

Submitted by techexpert on
Hi everyone, Over the last few days I've been trying to get a better idea of what MVC pattern is, how it's different from other patterns (ie 3-tier "view-data-logic pattern) and how in the world do you apply it in order to develop websites in PHP. So after some help from few people at www.stackoverflow.com and other websites I mocked up my very own little PHP app, that demonstrates my

Create Forms Criteria on the fly

Submitted by magicscreen on
Create criteria for forms in real time, as needed. An Instruction form will open when the project opens. The system was written using MS Access 2010 Default file format is Access 2003 Operations: 1. Create Form 2. Enter each form field's data type into the field's Tag Property 3. Save form’s information using the frmMaintainForms form 4. Select the form from the frmFormsMenu 5. The criteria form

Being a Programmer Video

Submitted by admin on
Programmers are hard to deal with. This is the common words I heard from people who encounter a programmer. But I don’t think they understand how to really become a computer programmer. Being a programmer, all you do when you sit on your computer chair and hit the keyboard is to think what could be the best solution to your programming design. We sometimes run out of ideas and don’t care who’s

Revised Create Report Criteria on the fly Version v_01_01

Submitted by magicscreen on
The reason for the revision is that this was part of a larger project and had code not needed for this project. Also, there was a glaring error that I found and fixed where I was putting records into the wrong table. This did not cause any problems but would be confusing to someone looking at the code.

Cheap Hosting or Dedicated Server Hosting - Which is Better?

Submitted by admin on
There is a big difference between cheap website hosting and a cheap dedicated server. The former may serve you very well; but if you need the best dedicated hosting, you should probably avoid the latter. That is normally one of those “you get what you pay for” situations. Cheap Website Hosting If you only have one website, or just a handful of sites, cheap hosting may be just what you need. Keep
Subscribe to