常用代码sql 及C#常用代码.doc

0.用session判断是否登陆if(Sessionlogin = null) Response.Redirect(error.aspx); 1. 打开新的窗口并传送参数：传送参数：response.write(window.open(*.aspx?id=+this.DropDownList1.SelectIndex+&id1=+.+)接收参数：string a = Request.QueryString(id);string b = Request.QueryString(id1);2.为按钮添加对话框Button1.Attributes.Add(onclick,return confirm(确认?);button.attributes.add(onclick,if(confirm(are you sure.?)return true;elsereturn false;)3.删