Home > ASP.Net, Javascript > Javascript to Validate Empty Textbox

Javascript to Validate Empty Textbox


try this example:-

<script type ="text/javascript" >

function msgBox(item)
var val=item.value;
if (val!=null)
if (val=='')
alert('TextBox shouldnot be empty');
<form id="form1" runat="server">
<asp:TextBox ID="TextBox1" onblur =" msgBox(this);" runat="server"></asp:TextBox><br />
<asp:TextBox ID="TextBox2" onblur =" msgBox(this);" runat="server"></asp:TextBox>

Hope this helps

Good Luck

Categories: ASP.Net, Javascript
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