Results 11 - 15 of 449
29 Jan 2019 29 Jan 2019 0 Comments  307 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform AlphaNumeric validation i.e. allow only Alphabets and Numbers using OnKeyPress event in JavaScript.

When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in JavaScript and if the inputted character is not AlphaNumeric i.e. Alphabet or Number, the error message will be displayed next to the TextBox.
29 Jan 2019 29 Jan 2019 0 Comments  384 Views
Here Mudassar Ahmed Khan has explained with an example, how to allow only AlphaNumeric, Dot (Period) and Underscore characters in Username using JavaScript.

When the Submit Button is clicked, the Username in the TextBox will be validated using JavaScript and Regular Expression (Regex) and if the Username is invalid, the error message will be displayed next to the TextBox using JavaScript.
28 Jan 2019 28 Jan 2019 0 Comments  451 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Email validation using OnKeyPress event in JavaScript.

The OnKeyPress event does not update the value of the TextBox when accessed using JavaScript and hence OnKeyUp event handler will be used to validate Email Address dynamically when User types in the Email Address in the TextBox.
25 Jan 2019 25 Jan 2019 0 Comments  866 Views
Here Mudassar Ahmed Khan has explained with an example, how to perform Email validation without using Regular Expression (Regex) in JavaScript.

This article will illustrate how to validate Email Address without using Regular Expression (Regex) i.e. by making use of String operations and checking the various requirements for a valid Email Address using JavaScript.
22 Jan 2019 22 Jan 2019 0 Comments  1445 Views
Here Mudassar Ahmed Khan has explained with an example, how to implement Open Source charts in ASP.Net using C# and VB.Net.

The Chart.js library is an Open Source Chart library which uses HTML5 Canvas for creating Charts.

The HTML5 Canvas charts will be populated from database using jQuery AJAX in ASP.Net.
Results 11 - 15 of 449