We are all familiar with ASP.NET validators and know how to use them to give user instant response when invalid data is entered. Today, I am going to show you an enhanced way to display validation errors by using JavaScript and ASP.NET valiation client API, for instance, when a control causes a validation error, besides display an error message (or an icon), we can add a red border around the control and also change its […]
RequiredFieldValidator
2 posts
Suppose you would like to check if a date entered by user is not only a valid date but also meets other requirements, for instance, a date of birth cannot be later than today, the start date of a scheduled task/event needs to be later than today, etc. Of course, if possible, I would use RJS.PopCalendar to accomplish this type of task, but if third-party DLL’s are not allowed, then you can use the built-in […]