How to validates TextBox using javascript

Hi, try this.

 
 

Hi rohatash,

Try this for blank validation


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





   
   


  











Thanks
If this post helps you mark it as answer

Hi Rohatash,

What do you mean by validate, is it just textbox cannot be blank or something else? Following is the code which checks if the textbox is empty in javsacript:

var x = document.getElementById("TextBoxID").value;

if(x.length == 0) 
{
// your code here if textbox is blank
}

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