Allow Only Numbers in TextBox in Asp.net In this tutorial i will explain you, how to allow only numbers in textbox in asp.net.By doing this we will restrict the user to only input numbers in a textbox. We are using JQuery here to solve our requirement. Demo Page <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>HIghtechnology</title> <script type="text/javascript" […]