Correct Way to Open a Windows Form in VB.NET

Submitted by admin on

Few months ago I encounter a problem with my windows form bound using a DataSet. When I open the form the first time, it seems that everything is fine. But when I open it again the second time, the fields are become blank. This happens when you trigger the “PerformClick” of “BindingNavigator” under the Form Load event.

This is not actually the common mistake that I encounter. But maybe, you encounter this problem also if you are used with VB 6.0 before.

Here’s the code to open the windows form the correct way:

ComboBox Binding Problem - Does Not Leave Focus

Submitted by admin on

After browsing several forum sites I found so many programmers having problem with ComboBox after they bind it to a DataSet.

The problem actually is not cause by a bug or the like. The error is caused by design. Here’s the following question on the internet that I found that will explain this error further:

http://thedailyreviewer.com/dotnet/view/data-bound-combobox-does-not-leave-focus-106127786

Add MDI Form and Main Menu

Submitted by admin on

In our previous tutorial I discuss on “How to Create Master/Detail Windows Forms” on our Library System Project.

Today we will add MDI Form and create a main menu to open the forms on our project. If you follow closely this tutorial you will have now several Windows Forms on your project.

Please follow the steps below to Add MDI Form and Main Menu on your Library System project.

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