Asp.net- Clear Fileupload Control using JavaScript

Introduction:

Here I will explain how to clear file upload control in asp.net using JavaScript.

Description:

In previous article I explained validate file extension before file upload in JavaScript, validate file upload extension in jQuery, jQuery fixed header notification bar example and many articles relating to jQuery, JavaScript. Now I will explain how to clear file upload control in asp.net using JavaScript.

jQuery to Validate File Upload Extension in File Upload Control

Introduction:

Here I will explain how to validate uploaded file extension in file upload control using jQuery in asp.net.

Description:

In previous article I explained jQuery fixed header notification bar example, jQuery Convert uppercase to lowercase, jQuery disable specific dates in calendar control and many articles relating to jQuery. Now I will explain how to validate uploaded file extension in file upload control using jQuery in asp.net.

Regular expression to validate phone number using jquery in asp.net

Introduction: 

Here I will explain how to validate phone number with regular expression using Jquery in asp.net.

Description:
  
In previous articles I explained validate email address using JQuery in asp.net and many articles relating to JQuery. Now I will explain how to use regular expression to validate phone number using JQuery in asp.net.

To implement this one we need to write code as shown below in your aspx page

jQuery Email Address Validation with Regular Expression in Asp.net

Introduction: 

Here I will show how to validate email address using jQuery with regex or regular expression or validate email address in jquery using regular expression or email validation using jQuery in asp.net.

Description:
  
In previous articles I explained how to disable or enable all the controls on page using JQuery and many articles relating to JQuery. Now I will explain how to use regular expression to validate email address using JQuery in asp.net.

To implement this one we need to write code as shown below in your aspx page

JQuery form validations example in asp.net

Introduction:

In this article I will explain how to show small popup or beautiful style of validation messages or inline form validation messages when validation fails in asp.net using JQuery.

Description:
  
In previous articles I explained about Display validation error messages with images and Change textbox background when validation fails and Ajax Password Strength using asp.net  and many articles on JQUery. Now I will explain how to implement inline form validations when validation fails using JQuery in asp.net.

JQuery Highlight border and background color of form controls when validation fails in asp.net

Introduction:

In this article I will explain how to highlight or change background and border color of form controls when validation fails in asp.net using JQuery.

Description:
  
In previous articles I explained about Display validation error messages with images and Change textbox background when validation fails and Ajax Password Strength using asp.net . Now I will explain how to highlight form controls when validation fails using JQuery in asp.net.

JQuery Check Password Strength Example in asp.net | Display Validation error message with images in asp.net

Introduction:

In this article I will explain how to display images whenever validation fails in form using JQuery and I will explain how to check password strength using JQuery in asp.net.

Description:
  
In previous articles I explained about form validations using JavaScript  and Ajax Password Strength using asp.net . Now I will explain how to show the images when validation fails and I will explain how to show the password strength using JQuery in asp.net.

Regular expressions to validate file extension before file upload in javascript using asp.net

Introduction:

Here I will explain how to check or validate file type in file upload control using JavaScript and regular expression to check file extension before file upload using JavaScript in asp.net.

Description:

I have one page that contains one file upload control to accept files from user and saving it in one folder. Here I need to give permission for user to upload only .doc or .docx files for that I have written validation by using JavaScript to validate files before save it in database.

Here I have some of regular expressions to validate file upload. 

Javascript validations for Email,Phone no and allow only characters, spaces, numbers in asp.net

Introduction 

Here I will explain how to validate Email,phone number,to allow only characters and spaces and for allow only numbers using JavaScript validations in asp.net.

Description

I have a one sample registration form that contains fields like Name, Email, PhoneNo .

Now I want to check whether user enter correct email format or not, and phone number contains only numbers or not and name contains only characters and spaces or not by using JavaScript.

Here some of commonly used regular expressions

Javascript validations to validate form in asp.net

Introduction 

Here I will explain how to validate form using JavaScript validations in asp.net 

Description

I have a one sample registration form that contains fields like Username, Password, Confirm Password, First Name, Last Name, Email, PhoneNo and Location.

Now I want to check whether user enter data in all fields or not and I want to check whether user enter correct data in all fields or not by using JavaScript.

If I want to check whether user enters data in textbox or not write script like this 

Calculating the difference between two dates range is 30 days in javascript or validation to Check end date is not greater than start date and two dates range is not more than 30 days using ajax and javascript in asp.net

Introduction:

Here I will explain how to check end date greater than start date and check two dates difference range is 30 days or not using asp.net.

Description:

Previously I explained how to use Ajax Collapsible panel . I explained many articles on Ajax now I will explain to how to set validation to check end date greater than start date or not and check two dates difference range is 30 days using Ajax validator controls. 

how to change the error message of custom validator dynamically using asp.net

Introduction

Here I will explain how to change the error message of custom validator dynamically using asp.net.

Description

I have one textbox, one button and one custom validator to validate the textbox whenever user clicks on button.

In customvalidator I have taken ClientValidationFunction="ClientValidationFunction" this clientside function is used to send error message dynamically by using sender object. This sender object will display ErrorMessage dynamically.