在按钮点击后禁用它直到操作完成（利用线程休息）

来源：互联网发布：mastercam编程学习编辑：程序博客网时间：2024/06/05 09:07

<%@ Page Language="C#"%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><scriptrunat="server">protectedvoid Page_Load (object sender, EventArgs e){btn.Attributes.Add ("onclick",Page.GetPostBackEventReference (btn, "")+";this.value='Submitting';this.disabled = true;");lbtn.Attributes.Add ("onclick","this.innerText='Submitting';this.disabled = true;");ibtn.Attributes.Add ("onclick",Page.GetPostBackEventReference (ibtn, "")+";this.alt='Submitting';this.disabled = true;");//// ASP.NET 2.0 above////btn.Attributes.Add ("onclick",// ClientScript.GetPostBackEventReference (btn, "") +// ";this.value='Submitting';this.disabled = true;");//lbtn.Attributes.Add ("onclick",// "this.innerText='Submitting';this.disabled = true;");//ibtn.Attributes.Add ("onclick",// ClientScript.GetPostBackEventReference (ibtn, "") +// ";this.alt='Submitting';this.disabled = true;");//// OR ////btn.OnClientClick =// ClientScript.GetPostBackEventReference (btn, "") + // ";this.value='Submitting';this.disabled = true;";//lbtn.OnClientClick = "this.innerText='Submitting';this.disabled = true;";//ibtn.OnClientClick = ClientScript.GetPostBackEventReference (ibtn, "") +// ";this.alt='Submitting';this.disabled = true;"; }protectedvoid btn_Click (object sender, EventArgs e){System.Threading.Thread.Sleep (2000);Label1.Text= DateTime.Now.ToString ();}protected void lbtn_Click (object sender, EventArgs e){LinkButtonClickCount++;System.Threading.Thread.Sleep (2000);Label1.Text="link button:"+ DateTime.Now.ToString ()+"<br/>count:"+ LinkButtonClickCount.ToString ();}protected void ibtn_Click (object sender, ImageClickEventArgs e){ImageButtonClickCount++;System.Threading.Thread.Sleep (2000);Label1.Text="image button:"+ DateTime.Now.ToString ()+"<br/>count:"+ ImageButtonClickCount.ToString ();}int LinkButtonClickCount{get{object tmp = ViewState["LinkButtonClickCount"];return (tmp ==null)?0 : (int)tmp;}set { ViewState["LinkButtonClickCount"]= value; }}int ImageButtonClickCount{get{object tmp = ViewState["ImageButtonClickCount"];return (tmp ==null)?0 : (int)tmp;}set { ViewState["ImageButtonClickCount"]= value; }}</script><htmlxmlns="http://www.w3.org/1999/xhtml"><headrunat="server"><title>无标题页</title></head><body><formid="form1" runat="server"><div><asp:ButtonID="btn" runat="server" Text="What time is it, please!"OnClick="btn_Click"/><asp:LinkButtonID="lbtn" runat="server" OnClick="lbtn_Click">What time is it, please!</asp:LinkButton><asp:ImageButtonID="ibtn" runat="server"AlternateText="What time is it, please!"Height="30px" OnClick="ibtn_Click"ImageUrl="http://www.ikea.com/ms/img/menu/products/32x32/clocks_32x32.gif"/><br/><asp:LabelID="Label1" runat="server" Text=""></asp:Label></div></form></body></html>