方法1

#region 静态javascript脚本
const string sScript=@"<script type=""text/javascript"" language='javascript'> ... </script>

protected override void Render(HtmlTextWriter output)
{
output.Write(sScript);
}

方法2

using(StreamReader reader = new StreamReader(this.GetType().Assembly.GetManifestResourceStream(GetType(), "jsName.js")))
{
string sJsSlider = reader.ReadToEnd();

output.Write(sJsSlider);
}

方法3

using(StreamReader reader = new StreamReader(this.GetType().Assembly.GetManifestResourceStream(GetType(), "jsName.js")))
{
string sJsStart = reader.ReadToEnd();
Page.RegisterStartupScript(this.GetType().ToString() + this.UniqueID + "_Startup", sJsStart);
}