At times, when validating forms we have to validate two date fields, From Date (Start Date) and To Date (End Date) when date pickers are associated with respective fields. Using normal Javascript it is big task to write a validating function. Normally the logic we use to validate From Date and End Date is like. […]

Suppose in your application you are using a DropDownList in a Form and depending upon the item selection you are showing/hiding some views inside a Multiview and you want that the user must select one of the item from the DropDownList before submitting a Form. So you can write code like the following to validate […]

In your projects you must have used ASP.NET validation controls like Required Field Validator, Range Validator, Custom validator, etc. Suppose in a page you have used Required Field Validator for a textbox, so while Form submission it will validate the textbox control for its value. But if you want to disable validation for a particular […]

Content: As we all know ASP.NET provide some validation extenders which can be implemented on controls to validate them at Client & Server side. Some of those validations extenders are : . Required Field Validator (Validate the control for not filling up any information). . Range Validator (Validate the cotrol with respect to lower & […]

If you want to know what is reCAPTCHA and how to use it in your ASP.NET Web application then please refer to the Tip “How to use reCAPTCHA in your site?” In the above Tip i am validating the captcha on postback. But this tip will show you how to validate the captcha by AJAX […]