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If the runtime sees a value it doesn’t know about, it throws an exception. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. Event validation checks the incoming values in a POST to ensure the values are known, good values.The data validation is performed on a string property, which forbids empty string input.The Validate Property event will check if the input string is empty.Kettic Property Grid control for Windows Forms application offers the Validate Property event for the users to perform the data validating process.
That is done by setting Validation Type property as shown in image below: These properties allow you to define 3 level validation for each control.
For example, a list of states may appear after the user selects a specific country.
Let’s simulate that scenario by registering some Java Script which adds a 4th option to the list.
Kettic Property Grid control for Windows Forms contains a variety of built-in editors used to edit different data types.
All the built in editors can be replaced by custom editors.