Validation Controls (Asp.net Series # 1)

Type of Validation Control:

1. RequiredFieldValidator :  Ensures that the user does not skip an entry. e.g  Mandatory Fields
2. CompareValidator: Compares a user's entry against a constant value, against the value of another control (using a comparison operator such as less than, equal, or greater than), or for a specific data type.
3. RangeValidator: Checks that a user's entry is between specified lower and upper boundaries. You can check ranges within pairs of numbers, alphabetic characters, and dates.
4. RegularExpressionValidator: Checks that the entry matches a pattern defined by a regular expression. This type of validation enables you to check for predictable sequences of characters, such as those in e-mail addresses, telephone numbers, postal codes, and so on.
5. CustomValidator: Checks the user's entry using validation logic that you write yourself. This type of validation enables you to check for values derived at run time.

Working Example of Validation Control:

Download Full Example Here

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