Can you tell me when will use CustomValidator. For eg I have Textbox that accept comments from the user. Any reason why the CustomValidator would fit in scenario and what other validators cannot do or is difficult to do?
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Can you tell me when will use CustomValidator. For eg I have Textbox that accept comments from the user. Any reason why the CustomValidator would fit in scenario and what other validators cannot do or is difficult to do?
CustomValidator is meant to give you freedom to implement your own validation logic where other validators just don’t do what you need to do.
E.G: When you need to do any kind of validation that doesn’t actually require a user input control (such as checking if a cookie exists) or if the control you want to validate has to follow input rules that are too involved for the other validators.