UPPERCASE IN TEXTBOX

The text  can be entered only in the UPPERCASE  using the following two types..

1st Type:Using CssClass or StyleSheet

<style type="text/css">

     .textupper

{

 text-transform: uppercase;

}

In htmlsource type as

 <asp:TextBox ID="TextBox1 runat="server" CssClass ="texupper"></asp:TextBox>

2nd Type: Using CodeBehind

TextBox1.Text.ToUpper();