อยากรู้วิธีการประกาศ java script ใน asp.net แล้วก็ C# ครับ

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Web;

using System.Web.UI.WebControls;
using System.Reflection;
using System.ComponentModel;

namespace System.Web.UI.Extensions
{
  
    public static class PageExtension
    {

        private const char constTabChar = '\t';
        private const string constScriptInjectorComment = "\t /* Script injection from server side v. 1.0 improved by Proud Rajabhut Phranakorn University */\n";
        private const string constJQueryMainFuncOpenTag = "\t$(function(){\n";
        private const string constJQueryMainFuncCloseTag = "\t});\n";


        /// <summary>
        /// Embeded jQuery library additional command in any page. 
        /// </summary>
        /// <param name="argCorePage"></param>
        /// <param name="argScript"></param>
        public static void EmbededJQueryScript(this System.Web.UI.Page argCorePage, string argScript)
        {
            if (argCorePage == null) return;

            System.Web.UI.HtmlControls.HtmlGenericControl myHTMLComp
                = new System.Web.UI.HtmlControls.HtmlGenericControl("script");

            myHTMLComp.Attributes.Add("language", "javascript");
            myHTMLComp.Attributes.Add("type", "text/javascript");


            myHTMLComp.InnerHtml = "\n"
                + constScriptInjectorComment
                + constJQueryMainFuncOpenTag
                + argScript.ToString()
                + constJQueryMainFuncCloseTag + "\n";

            argCorePage.Controls.Add(myHTMLComp);
        }

        /// <summary>
        /// Embeded javascript in any page.
        /// </summary>
        /// <param name="argCorePage"></param>
        /// <param name="argScript"></param>
        public static void EmbededJavaScript(this System.Web.UI.Page argCorePage, string argScript)
        {
            if (argCorePage == null) return;

            System.Web.UI.HtmlControls.HtmlGenericControl myHTMLComp
                = new System.Web.UI.HtmlControls.HtmlGenericControl("script");

            myHTMLComp.Attributes.Add("language", "javascript");
            myHTMLComp.Attributes.Add("type", "text/javascript");

            myHTMLComp.InnerHtml = "\n"
                + constScriptInjectorComment
                + argScript.ToString()
                + "\n";

            argCorePage.Controls.Add(myHTMLComp);
        }

        /// <summary>
        /// Embeded simple jQuery function for test only.
        /// </summary>
        /// <param name="argCorePage"></param>
        public static void EmbededAndTestJQueryScript(this System.Web.UI.Page argCorePage)
        {
            System.Text.StringBuilder scriptBuilder = new System.Text.StringBuilder();
            scriptBuilder.AppendLine(" alert('jQuery(' + $().jquery + ') activated '); ");
            EmbededJQueryScript(argCorePage, scriptBuilder.ToString());
        }
      }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.Extensions;

public partial class Pages_Home : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            System.Text.StringBuilder scriptBuilder = new System.Text.StringBuilder();
            scriptBuilder.AppendLine(" alert('jQuery(' + $().jquery + ') activated '); ");
            this.EmbededJQueryScript( scriptBuilder.ToString());
        
            //OR
            //this.EmbededAndTestJQueryScript();           
        }
    }
}

string JsPath = Server.MapPath("~/JSClass/myJavaScript.js");

ClientScriptManager ClientScriptManager1 = this.Page.ClientScript;

if (!ClientScriptManager1.IsClientScriptIncludeRegistered(this.GetType(), "JSClass"))
   ClientScriptManager1.RegisterClientScriptInclude(this.GetType(), "JSClass", JsPath));