Hi all,
I have a asp.net webform created using c#.
my text box is of type:
<asp:textbox id="txtqanum" runat="server">private void txtqanum_TextChanged(object sender, System.EventArgs e)
{
}
it has only textchanged property. I want user to entered values between 0,1.....9.
and if they entered anything else I want to show a message about invalid input.
How can I accomplish this?
Please help me.
Thank You,
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