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in case extra validation like restricting validation to some of the controls only, that would be decided at the function calling level.
In my windows form projects , i have validated the fields using Boolean method.
More than just being amusing, this story is a modern-day fable from which Windows Forms developers can learn a clear lesson—always validate data to avoid dodgy situations on par with dating Steve Guttenberg.
Conversely, successfully validated data provides an equivalent experience to dating Rosanna Arquette, which for this author would be quite nice.
In this case, bindings are set directly to the appropriate data classes, which have float properties.
On save, the entered values persist only if they can be parsed as floats.
However, I prefer to call it explicitly and handle all validation at once since you most likely will take action only if the entire control’s children pass validation. The most important thing to recognize here is how precise you can be with the validation error message in the error provider.
There are 2 code paths for validation failure, and in each case we provide the user with an appropriate error message.
Please join our friendly community by clicking the button below - it only takes a few seconds and is totally free.This delegate simply displays the error condition in a message box.If the save is successful, the Save Button_Click method uses the application-level state dictionary to store a value indicating that a new fill-up has just been saved. After the navigation, if the Summary Page finds the value stored in the state dictionary, it shows the first pivot item so that the user can immediately see the results of the fill-up.The following code shows the Save Button_Click event handler in the Fillup Page class.If values have been entered into each Text Box, an attempt is made to parse the values into values of type float.
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If parsing fails, a Message Box is displayed indicating the failure to the user.