How to perform front end validations in silverlight?

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Hello everyone,

I am working on a silverlight project, I need to perform some client side validations here. If a user enters an invalid value in a particula field, then immediately it should prompt the user about the error. And also i need to allow user to enter values only in a particular format. Do we have anything like masked text boxes, or regular expressions in Silverlight. Please help me in this regard. Thanks in advance.

Posted 15-Aug-12 21:12pm

krishnaprasad62

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Christian Amado 16-Aug-12 8:12am

You can search on Google about DataAnnotations

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arti s.v · Answer 1 · 2012-09-03T02:57:00

Solution 1

Silverlight 4 : Data Validation - Tip of the Day - Part 1[^] ....Refer this

Posted 3-Sep-12 2:57am

arti s.v

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krishnaprasad62 4-Sep-12 7:15am

Hi,

I am using DataAnnotations to perform validations, in my Silverlight MVVM application. I am specifying Range attibute for the properties as follows.

private int _age;
[Range(0,100)]
public int Age
{
get{return _age;}
set
{
Validator.ValidateProperty(value, new ValidationException(this,null,null) {MemberName="Age"});
_age=value;
OnPropertyChanged("Age");
}
}

This code is working fine when integer values are entered in the text box. But when some special characters are enterd in the text box it is not validating. . .
Any idea. . .
Thanks in advance. . .

arti s.v 4-Sep-12 7:56am

Go through http://www.dotnetfunda.com/codes/code458-special-character-validation.aspx it may help u...