ASP.NET - How to Count Character written in TextBox

ASP.NET How to count characters written in textbox

ASP.NET - How to Count Character written in TextBox ?

This is one of my unique article that shows action in which when you type any character inside textbox , automatically you can see characters counted below .

For that follow give procedure in visual studio

1 . Create new project

2 . Create new Webform by right clicking on solution

3 . Put two control inside Webform

Textbox (to write string / characters)

Label (To print total character printed at textbox)

4 . Write JavaScript function as follow

<head runat="server">
     <title>Remaining Characters Counter</title>
     <script type="text/javascript">
     function Count() 
     {
     var i = document.getElementById("TextBox1").value.length;
     document.getElementById("Label1").innerHTML = 10 - i;
     }
     </script>
</head>

5 . Write Event name of Textbox already you have taken in form

Ex : - onkeyup='(your event name)'

6 . Call this function

 <asp:TextBox ID="TextBox1" runat="server" 
             MaxLength="10" onkeyup="Count()"> 
  </asp:TextBox>

Great you did it ......

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Saturday 3 September 2016

ASP.NET - How to Count Character written in TextBox