Request.RequestType

HttpContext.Current.Request.HttpMethod

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

public
 
 partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // 取得HTTP Request 型別
        Response.Write(HttpContext.Current.Request.HttpMethod + "<BR>");//GET, POST...
        // 取得HTTP Request 型別
        Response.Write(Request.RequestType + "<BR>"
 
);//GET, POST...

        if (Request.RequestType == "GET")
        {
            //取得 GET 值
            Response.Write(Request.QueryString["TextBox1"] + "<BR>");
        }
        if (Request.RequestType == "POST")
        {
            //取得 POST 值 - 欄位名稱 TextBox1
            Response.Write(Request.Form["TextBox1"] + "<BR>");
        }

        // 不管GET或POST，都會取得值 (以 GET 值為優先)
        Response.Write("Always show:" + Request["TextBox1"] + "<BR>");

        if (Page.IsPostBack)
        {
            Response.Write("PAGE POST BACK<br>");
        }

    }
}