Embedding Javascript file in custom control

1. Add javascript file to your project
2. Set Build Action of this file Embeded Resource
3. Add the following entry into your AssemblyInfo.cs
   

   [assembly: WebResource("YourNameSpace.Filename.js", "text/javascript")]

4. Add following code in your OnInit event
   

   
   string webresourceURL = Page.ClientScript.GetWebResourceUrl(this.GetType(), "YourNameSpace.Filename.js"); 
   this.Page.ClientScript.RegisterClientScriptInclude(this.GetType(), "cctextbox",webresourceURL);

5. Please remember YourNameSpace is base name space in your project