I have a textbox and a submit button on a page,
I want the user to type in some characters before i enable or make the
submit button visible
<asp:TextBox id="txt" autopostback="true" runat="server" Width="70%"
Rows="4" TextMode="MultiLine"></asp:TextBox>
I used the ontextChnaged event
private void onchange(object sender, System.EventArgs e)
{
if (txtEquivalentRequirement.Text.Length > 0)
{
btnUpdate.Enabled = true;
}
else
{
btnUpdate.Enabled = false;
}
}
But this has to do a postback.
Is there a way i can do this without postback
Any ideas