Need the clientId of a textbox inside a content control using javascript

Question

I have a masterpage that contains all the javascript and inside the content control, there is a link that calls a javascript function and I want to pass the id once it\'s re

Answer 1

Try this instead (notice the <%= in the onclick attribute):

<asp:TextBox ID="txtstart" runat="server" Width="20%" />
<a title="Pick Date from Calendar" 
   onclick="calendarPicker('<%= txtstart.ClientId %>');" 
   href="javascript:void(0);">
</a>