摘要： //C#public User PopulateUser(IDataRecord dr) {User user = new User();user.UserId = Convert.ToInt32(dr["UserId"]);//检查 NULL 的示例if (dr["UserName"] != DBNull.Value){user.UserName = Convert.ToString(dr["U... 阅读全文

摘要： 加引用using System.IO;string dr=Server.MapPath(".\\Files"); if(!Directory.Exists(dr)) Directory.CreateDirectory(dr); string fname=Path.GetFileName(File1.PostedFile.FileName); string fullname=dr+"... 阅读全文