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Range Validator Example in ASP.NET

Posted By:Nikhil Kumar       Posted Date: January 14, 2010    Points: 25    Category: ASP.NET    URL: http://www.dotnetspark.com  

In This article I will show you step by step procedure how to use Range Validator in ASP.NET in visual studio 2005 / 2008
 

Introduction

Here i will show you step by step procedure how to use Range Validator in ASP.NET in visual studio 2005 / 2008

Range Validator is very useful in asp.net because it restrict the user to enter wrong information like DATE OF BIRTH

Here I am using Visual Studio 2008 but there is no condition you can use Visual Studio 2005 also.

So follow these steps to create Range Validator

The Steps are:

1- Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

2- Now go to File Menu -> New -> Web Site

3- Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

4 - Click on the OK Button:-

First you have to learn XML and HTML to work with ASP .NET_

I have used to make the text as comment this is the way to make comment in this code .

This is the Source Code window and in this page you will se this code

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>



Type your webpage title here  




See here is a tab named Design in the bottom of this page

5- Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window)

Open Web.config file and write true in place of false, See





6- Drag Two TextBox, Three Label, and one Button control.

7- Now go in Source code window and set your code like this.Please don't be frustrate first see and understand it's really simple.

 

        

        


This code is used to maintain the expression for the TextBox1





This code is used to validate the textbox to not to be leave blank TextBox1





 This code is used to maintain the expression for the TextBox2


   
        

        



This code is used to maintain the expression for the TextBox2





8- Now Run web-site Ctrl+F5. and you will see this output



9- Close web browser

10- Close visual studio

Thanks!

--Nikhil Kumar

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