防止按鈕重覆發送
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Threading; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { btnSend.Attributes["onclick"] = "this.disabled=disabled;" + this.Page.ClientScript.GetPostBackEventReference(btnSend, ""); } protected void btnSend_Click(object sender, EventArgs e) { Thread.Sleep(3000); Response.Write(this.txtData.Text); } }