Validating date range in asp net

using Type property we can tell rangevalidator of validating values data type as like integer, date, double, currency or string.

rangevalidator converted input values specific data type before apply any comparison.

Before you can use the Data Annotation validators, you must download the Data Annotations Model Binder. Next click the Browse tab and browse to the location where you downloaded (and unzipped) the Data Annotations Model Binder sample (see Figure 1). The Display Name attribute enables you to modify the name of the property when the property is displayed in an error message.

You can download the Data Annotations Model Binder Sample from the Code Plex website by clicking here. Figure 1: Adding a reference to the Data Annotations Model Binder (Click to view full-size image) Select both the Microsoft. Instead of displaying the error message "The Unit Price field is required" you can display the error message "The Price field is required".

In this post, I will show how to use the Range Validator to validate a range of date using today’s date as the maximum value. The Text Box control is added where the users will enter the value. The Range Validator is added – its Control To Validate property is set to Text Box’s id, data type is set to Date, the minimum value is set to an arbitrary date.Now, try running the website, and enter a date in our new Text Box.It's only valid if the date is within 2006, and a cool sideeffect is that the date is also checked for validity.You can use it to validate both numbers, strings and dates, which can make it useful in a bunch of cases.Since we validated numbers the last time, we will try with a date this time.

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