ASP.NET TextBox ReadOnly property
Definition and Usage
ReadOnly attribute is used to set or return Can I change the text in the TextBox control.
If the property is set to TRUE, you can not change the text, otherwise FALSE. The default is FALSE.
grammar
<asp:TextBox ReadOnly="TRUE|FALSE" runat="server"/>
Examples
The following examples the ReadOnly attribute is set to "TRUE":
<form runat="server">
<asp:TextBox id="tb1" runat="server" ReadOnly="TRUE"
Text="This text is read only" />
</form>
<asp:TextBox id="tb1" runat="server" ReadOnly="TRUE"
Text="This text is read only" />
</form>
The demonstration >>
TextBox controls