/// <summary>
        /// 用户验证
        /// </summary>
        /// <param name="UserName">用户名</param>
        /// <param name="Password">密码</param>
        /// <returns>验证用户是否成功</returns>
        public bool ExistUser(string UserName, string Password)
        {
            OracleDatabase db = new OracleDatabase(System.Configuration.ConfigurationManager.AppSettings["ConnString"]);
            if (db.TryOpen() == false)
            {
                return false;
            }
            string sql = "select count(*) from wms_employee_lib where wms_user_name='" + UserName.ToUpper() + "' and wms_password='" + Password.ToUpper() + "'";
            object obj = db.GetValue(sql);
            db.Close();
            if (obj == null || obj == DBNull.Value)
                return false;
            if (Convert.ToInt32(obj) != 1)
                return false;
            else
                return true;
        }

解决方案 »

  1.   

     public int InsertTest()
            { 
               OracleDatabase db=new OracleDatabase(System.Configuration.ConfigurationManager.AppSettings["ConnString"]);
                try
                {
                if (db.TryOpen()== false)
                        return 0;
                bool a=db.ExecuteSQL("insert into WMS_TEST (RIQI) values(sysdate)");
                if (a == false)
                {
                    return 0;
                }
                else
                    return 1;
                }
                catch
                {
                    return 0;
                }
                finally
                {
                    db.Close();            }
    我写了测试的方法 你瞧下这个,看看问题所在
      

  2.   

    优化数据库操作,数据库操作类优化
    using(SqlConnection...
    及时关闭