using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.IO;
using?System.Data.OleDb;



namespace?PhoneBook1506041K
{
????class?Database
????{
??????//public???OleDbDataReader?oleread_k;
??????//?public??Image?im;
????????public?int?N_Ogy;??//數據庫中的記錄條數
?????//?public???OleDbCommand?olecom_k1;
????????public?OleDbDataReader?oleread_Ogy;
????????public?OleDbConnection?objConnection;??//連接數據庫對象
????????//連接數據庫
????????public?bool?link（string?fstring?s）
????????{
????????????string?a?=?s?+?“.mdb“;
????????????string?strcon?=?“Provider?=“+f+“;“+“Data?Source=“+a;
????????????try
????????????{
????????????????objConnection?=?new?OleDbConnection（strcon）;
????????????????objConnection.Open（）;
????????????????return?true;
????????????}
????????????catch?{?return?false;?}
????????}

????????public?string?linkfile_f（）
????????{
????????????string[]?readFile;
????????????string[]?fuwuqi;
???????????
????????????//?olecom_k1?=?new?OleDbCommand（“select?*?from?PhoneBook1506041K?“?objConnection）;
????????????readFile?=?File.ReadAllLines（“PhoneBook1506041K.txt“?Encoding.Default）;
????????????string?fuwuqiL?=?readFile[0];??????????
????????????fuwuqi?=?fuwuqiL.Split（‘‘）;???????????
????????????return?fuwuqi[0];
????????
????????}
????????public?string?linkfile_s（）
????????{
????????????string[]?readFile;
???????????
????????????string[]?shujuku;
????????????//?olecom_k1?=?new?OleDbCommand（“select?*?from?PhoneBook1506041K?“?objConnection）;
????????????readFile?=?File.ReadAllLines（“PhoneBook1506041K.txt“?Encoding.Default）;
????????????string?shujukuL?=?readFile[1];???????????
????????????shujuku?=?shujukuL.Split（‘‘）;
????????????return?shujuku[0]?;
????????}
????????//獲取數據庫里面的記錄數目
????????public?void?Datanumber（）
????????{

????????????//objConnection?=?new?OleDbConnection（strcon）;
????????????//objConnection.Open（）;
????????????OleDbCommand?sol?=?new?OleDbCommand（“select?*?from?PhoneBook1506041K?“?objConnection）;
????????????string?sql?=?“select?*?from?PhoneBook1506041K“;
????????????OleDbDataAdapter?myda?=?new?OleDbDataAdapter（sql?objConnection）;
????????????DataSet?myds?=?new?DataSet（）;
????????????myda.Fill（myds?“PhoneBook1506041K“）;
????????????oleread_Ogy?=?sol.ExecuteReader（）;
????????????string?str?=?“select?count（1）?from?PhoneBook1506041K“;
????????????OleDbDataAdapter?jisu?=?new?OleDbDataAdapter（str?objConnection）;
????????????DataSet?myds1?=?new?DataSet（）;
????????????jisu.Fill（myds1）;
????????????N_Ogy??=?Convert.ToInt32（myds1.Tables[0].Rows[0][0].ToString（））;

????????}
????????//public?void?SaveImages（string?filepathOleDbConnection?conn）
????????//{
????????//????FileStream?fs?=?File?.Open?（filepath?FileMode.Open）;
????????//????BinaryReader?br?=?new?BinaryReader（fs）;
????????//????byte[]?b