Button:


Checkbox:


Dropdown List:


Radio Button:


Textbox:


 
 


To enable / disable the controls on the client-side, use the enable / disable methods.
On the server-side, use the Enabled property.

<obout:OboutButton runat="server" ID="btn1"  Enabled="false" ... />
<obout:OboutDropDownList runat="server" ID="ddl1"  Enabled="false" ... />
<obout:OboutTextBox runat="server" ID="txt1"  Enabled="false" ... />