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ASP.NET Validation Server Controls
When using ASP.NET validating user-input is made very easy. You do not need to code from scratch for every input validation because you have already got ready-made ASP.NET Validation Server Controls.
An ASP.NET Validation Server Controls can be used to validate the data input by a user. The validation control checks if the input data passes the validation control and will display an error message if not. The following is the format for an ASP.NET Validation Server Controls code snippet.
<asp:control_name id="some_id" runat="server" />
ASP.NET Validation Server Controls
Validation Control |
Description |
CompareValidator |
This ASP.NET Validator takes an input value and then compares it with another input value or a fixed value. |
CustomValidator |
This ASP.NET Validator can be used to code your own validation methods to handle the data inputted by the user. |
RangeValidator |
This ASP.NET Validator which checks a value input by a user against a range i.e. whether it is between two values. |
RegularExpressionValidator |
This ASP.NET Validator makes sure that the input value matches an already specified pattern |
RequiredFieldValidator |
This ASP.NET Validator can make an input field a required field. |
ValidationSummary |
This ASP.NET Validator displays a report i.e. a summary of all validation errors occurred in a Web Page. |
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