I have written a custom web server control, which calls Page.ClientScript.RegisterClientScriptBlock from within it's own Init method. The script works on a test web page but unfortunately the script is never rendered to the browser when I put the control inside a DetailRowTemplate. It seems the problem is that the expansion of the detail row is a callback and only affects the grid itself. The other DevExpress controls in the detail grid fire their ClientSideEventScripts fine but I can;t get my control to do the same thing. Is there a special way that the DevExpress controls achieve this?

Hi Nicholas,

You can't use standard ClientScriptManager (Page.ClientScript) on callbacks,
no matter whether you are using any standard control or the ASPx one. If you
perform any action with the ClientScriptManager, for example, register a script
block, it simply won't be rendered. Our controls, for instance, render their scripts
inside their markup and evaluate them on every callback manually via the
eval(string scriptBlock) client function.

Hi Victor. Is there a sample anywhere that shows how to do this? If not then perhaps you could let me know which file/method to look at in the DevExpress code. I have the source here but haven't looked at it much yet. Thanks - Nick

Server side:

void RegisterIncludeScript(Type type, string resourceName) method of the ASPxWebControl.

Client side:

_aspxRunStartupScripts() global function (DevExpress.Web.Scripts.Classes.js).

 Thanks