WISE OWL EXERCISES
VISUAL BASIC EXERCISES
VISUAL BASIC EXERCISES
- Drawing forms (2)
- Form events (1)
- Variables and data types (2)
- Enumerations and constants (2)
- Form validation (3)
- Menus and toolbars (2)
- Files and folders (1)
- Basic DataGridViews (1)
- Reacting to DataGridView events (3)
- Advanced DataGridViews (2)
- Creating classes (4)
- Coding in VB.NET (2)
- Variables and constants (3)
- Testing conditions (2)
- Passing arguments (3)
- Using arrays (2)
- Loops (2)
- Working with files (3)
- Lists (3)
- Creating properties (3)
Visual Basic | Reacting to DataGridView events exercise | Code validation for a DataGridView
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The answer to the exercise will be included and explained if you attend the course listed below!
| Software ==> | Visual Basic (46 exercises) |
| Version ==> | Any version of VB |
| Topic ==> | Reacting to DataGridView events (3 exercises) |
| Level ==> | Average difficulty |
| Course ==> | WinForms using VB |
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If you haven't already done so in this project, create a data source for the Mortgage Access database in the folder shown above.
Create a form called frmApplicant, and within this create a DataGridView to show mortgage applicants from the Person table:
The DataGridView, with an alternate row style
Add validation such that when the user enters an invalid amount the application displays an error message, and the user can not leave the cell without correcting the error:
LOTS is not a valid amount!
If you have time, add code to display a suitable value for the ErrorText property of the current row if the mortgage type id is not an integer between 1 and 5:
should appear if you enter a mortgage type id of 7, for example, as here
Pat yourself on the back, and close down any open forms.