面试

== 是运算符  Equals是方法  区别：==是值类型比较  Equals 多了引用类型比较

ASP.NET后台注册Javascript方法:

Page.ClientScript.RegisterStartupScript(this.GetType(), "MyScript", "alert('请先选择导入类型！');", true);

Request获取文件路径:

Request.ApplicationPath:    /testweb   
Request.CurrentExecutionFilePath:    /testweb/default.aspx   
Request.FilePath:    /testweb/default.aspx   
Request.Path:    /testweb/default.aspx   
Request.PathInfo:    
Request.PhysicalApplicationPath:    E:WWW	estweb   
Request.PhysicalPath:    E:WWW	estwebdefault.aspx   
Request.RawUrl:    /testweb/default.aspx   
Request.Url.AbsolutePath:    /testweb/default.aspx   
Request.Url.AbsoluteUri:    http://www.test.com/testweb/default.aspx   
Request.Url.Host:    www.test.com   
Request.Url.LocalPath:    /testweb/default.aspx