Allow Only Number To TextBox Avoid Character
Textbox Enter Input Only Allowed Number But Not Allow Character RegularExpression Validation Using Asp.Net C#.
DEMO
HTML CODING
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<asp:TextBox ID="txtNumber" runat="server" Height="16px" AutoPostBack="True" ForeColor="#CC3300" OnTextChanged="TextBox1_TextChanged"></asp:TextBox>
</form>
</body>
</html>
...
