Exercise: Create a form with ErrorProvider controls

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The answer to the exercise will be included and explained if you attend the Wise Owl course listed below!

Category ==> Visual Basic 2010  (42 exercises)
Topic ==> Form validation  (3 exercises)
Level ==> Average difficulty
Course ==>
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Add the frmNewHeart form in the folder above into your project (or work with a copy you already have).

Add an ErrorProvider control to your form, and rename this as errTypical.

Code the Validating event of the name and age text boxes so that:

  • you see an error next to the name if it has been left blank; and
  • you see an error next to the age if it is blank, or not an integer

Test out your ErrorProvider control - here's what you should see if you leave the age blank:

Visual Basic 2010 exercise - Form validation (image 1)

A lady like this never reveals her age

Test our application, then close down its forms.

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