dll文件引用,高手请看哪里错了(1)?
未编译的源文件:
namespace Wmj
{
public class MyUpload
{
private System.Web.HttpPostedFile postedFile=null;
private string savePath="";
private string extension="";
private int fileLength=0;
//显示该组件使用的参数信息
public string Help
{
get{
string helpstring;
helpstring="<font size=3>MyUpload myUpload=new MyUpload(); //构造函数";
helpstring+="myUpload.PostedFile=file1.PostedFile;//设置要上传的文件";
helpstring+="myUpload.SavePath=\"d:\\";//设置要上传到服务器的路径,默认d:\\";
helpstring+="myUpload.FileLength=400000; //设置上传文件的最大长度,单位k,默认400000k";
helpstring+="myUpload.Extension=\"wmv\";设置上传文件的扩展名,默认wmv";
helpstring+="label1.Text=myUpload.Upload();//开始上传,并显示上传结果</font>";
helpstring+="<font size=3 color=red>Design By DLGO 2003-10-12 All Right Reserved!</font>";
return helpstring;
}
}
public System.Web.HttpPostedFile PostedFile
{
get
{
return postedFile;
}
set
{
postedFile=value;
}
}
public string SavePath
{
get
{
if(savePath!="") return savePath;
return "d:\\";
}
set
{
savePath=value;
}
}
public int FileLength
{
get
{
if(fileLength!=0) return fileLength;
return 1024;
}
set
{
fileLength=value*1024;
}
}
public string Extension
{
get
{
if(extension!="") return extension;
return "wmv";
}
set
{
extension=value;
}
}
public string PathToName(string path)
{
int pos=path.LastIndexOf("\\");
return path.Substring(pos+1);
}
public string Upload()
{
if(PostedFile!=null)
{
try{
string fileName=PathToName(PostedFile.FileName);
if(!fileName.EndsWith(Extension)) return "You must select "+Extension+" file!";
if(PostedFile.ContentLength>FileLength) return "File too big!";
PostedFile.SaveAs(SavePath+fileName);
return "Upload File Successfully!";
}
catch(System.Exception exc)
{return exc.Message;}
}
return "Please select a file to upload!";
}
}
}