using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Text;
using System.Data;
namespace MyCommon.DAO
{
///
/// MS-SQL連線物件
///
public class MSSQLBaseIO
{
SqlConnection sqlConn = null;
///
/// 建立連線物件
///
/// 連線字串,如Data Source=localhost;Initial Catalog=dbName;User id=Account;Password=Password;
public MSSQLBaseIO(string connectionString)
{
sqlConn = new SqlConnection(connectionString);
}
///
/// 建立連線物件
///
/// 可為localhost / domainname / 或 IP
/// 若Host為IP,則需為true
/// 不設定則填0,則會用MSSQL預設port
/// 不設定則填null,express版預設為SQLEXPRESS,正式版預設為MSSQLSERVER,從服務組態可以看到
/// 資料庫名稱
/// 是否使用 Windows 整合驗証方式連線,false則必需填帳號密碼
/// 登入帳號
/// 登入密碼
/// 連線逾期,不設定則填0
public MSSQLBaseIO(string host,bool isHostIP,int port,
string instanceName, string dbName,
bool isIntegratedSecurity,
string id, string password,
int timeout)
{
StringBuilder connectionString = new StringBuilder();
if (isHostIP) connectionString.Append("Data Source=tcp:" + host);
else connectionString.Append("Data Source=" + host);
if (instanceName != null) connectionString.Append("\\" + instanceName);
if (port != 0) connectionString.Append("," + port);
connectionString.Append(";");
connectionString.Append("Initial Catalog=" + dbName + ";");
if (isIntegratedSecurity) connectionString.Append("integrated security=true;");
if (id!=null) connectionString.Append("User id=" + id + ";");
if (password!=null) connectionString.Append("Password=" + password + ";");
if (timeout>0) connectionString.Append("Connect Timeout=" + timeout + ";");
sqlConn = new SqlConnection(connectionString.ToString());
}
///
/// 取得目前連線物件
///
///
public SqlConnection getConnection()
{
return sqlConn;
}
Exception _exception = null;
///
/// 取得上次執行後的錯誤
///
///
public Exception getException(){
return _exception;
}
///
/// 關閉連線
///
public void closeConn()
{
closeConn(true);
}
///
/// 關閉連線
///
/// 是否關閉連線
public void closeConn(bool isCloseConn){
if (sqlConn != null && isCloseConn && sqlConn.State!=System.Data.ConnectionState.Closed)
{
sqlConn.Close();
}
}
///
/// 取得新的Transaction物件
///
/// Transaction物件
public SqlTransaction getNewTransaction()
{
if (sqlConn.State != System.Data.ConnectionState.Open)
sqlConn.Open();
return sqlConn.BeginTransaction();
}
///
/// 執行SQL命令,執行後會關閉SQL連線
///
/// SQL命令
/// 是否為預存程序
/// 變動筆數
public int ExecuteNonQuery(string sqlcmd, bool isStoredProcedure)
{
return ExecuteNonQuery(sqlcmd,isStoredProcedure, true);
}
///
/// 執行SQL命令
///
/// SQL命令
/// 是否為預存程序
/// 是否關閉連線
/// 變動筆數
public int ExecuteNonQuery(string sqlcmd, bool isStoredProcedure, bool isCloseConn)
{
SqlParameter[] sqlparams = null;
return ExecuteNonQuery(sqlcmd, ref sqlparams, isStoredProcedure, isCloseConn);
}
///
/// 執行SQL命令
///
/// SQL命令
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// 是否關閉連線
/// 變動筆數
public int ExecuteNonQuery(string sqlcmd, ref SqlParameter[] sqlparams, bool isStoredProcedure, bool isCloseConn)
{
return ExecuteNonQuery(sqlcmd, ref sqlparams, isStoredProcedure, null, isCloseConn);
}
///
/// 執行SQL命令
///
/// SQL命令
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// SqlTransaction,可為null
/// 是否關閉連線
/// 變動筆數
public int ExecuteNonQuery(string sqlcmd, ref SqlParameter[] sqlparams,bool isStoredProcedure, SqlTransaction trans, bool isCloseConn)
{
int result = -1;
_exception = null;
try
{
if (sqlConn.State != System.Data.ConnectionState.Open)
sqlConn.Open();
SqlCommand cmd;
if (trans==null)
cmd = new SqlCommand(sqlcmd, sqlConn);
else
cmd = new SqlCommand(sqlcmd, sqlConn, trans);
if(isStoredProcedure)
cmd.CommandType = CommandType.StoredProcedure;
if (sqlparams!=null)
cmd.Parameters.AddRange(sqlparams);
result = cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
_exception = ex;
}
finally
{
closeConn(isCloseConn);
}
return result;
}
///
/// 取得多列資料,執行後會關閉SQL連線
///
/// SQL命令
/// 是否為預存程序
/// 是否關閉連線
/// 多列資料
public List ExecuteReader(string sqlcmd, bool isStoredProcedure)
{
return ExecuteReader(sqlcmd, isStoredProcedure, true);
}
///
/// 取得多列資料
///
/// SQL命令
/// 是否為預存程序
/// 是否關閉連線
/// 多列資料
public List ExecuteReader(string sqlcmd, bool isStoredProcedure, bool isCloseConn)
{
SqlParameter[] sqlparams = null;
return ExecuteReader(sqlcmd, ref sqlparams, isStoredProcedure, isCloseConn);
}
///
/// 取得多列資料
///
/// SQL命令
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// 是否關閉連線
/// 多列資料
public List ExecuteReader(string sqlcmd, ref SqlParameter[] sqlparams, bool isStoredProcedure, bool isCloseConn)
{
return ExecuteReader(sqlcmd, ref sqlparams, isStoredProcedure, null, isCloseConn);
}
///
/// 取得多列資料
///
/// SQL命令
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// SqlTransaction,可為null
/// 是否關閉連線
/// 多列資料
public List ExecuteReader(string sqlcmd, ref SqlParameter[] sqlparams, bool isStoredProcedure, SqlTransaction trans, bool isCloseConn)
{
List result = null;
_exception = null;
SqlDataReader reader = null;
try
{
if (sqlConn.State != System.Data.ConnectionState.Open)
sqlConn.Open();
SqlCommand cmd;
if (trans == null)
cmd = new SqlCommand(sqlcmd, sqlConn);
else
cmd = new SqlCommand(sqlcmd, sqlConn, trans);
if (isStoredProcedure)
cmd.CommandType = CommandType.StoredProcedure;
if (sqlparams != null)
cmd.Parameters.AddRange(sqlparams);
reader = cmd.ExecuteReader();
object[] item;
if (reader.HasRows)
{
result = new List();
while (reader.Read())
{
item = new object[reader.FieldCount];
for (int j = 0; j < reader.FieldCount; j++)
{
item[j] = reader[j];
}
result.Add(item);
}
}
}
catch (Exception ex)
{
_exception = ex;
}
finally
{
if (reader!=null) reader.Close();
closeConn(isCloseConn);
}
return result;
}
///
/// 取得單一值,執行後會關閉SQL連線
///
/// SQL命令
/// 是否為預存程序
/// 單一值
public object ExecuteScalar(string sqlcmd, bool isStoredProcedure)
{
return ExecuteScalar(sqlcmd, isStoredProcedure, true);
}
///
/// 取得單一值
///
/// SQL命令
/// 是否為預存程序
/// 是否關閉連線
/// 單一值
public object ExecuteScalar(string sqlcmd, bool isStoredProcedure, bool isCloseConn)
{
SqlParameter[] sqlparams = null;
return ExecuteScalar(sqlcmd, ref sqlparams, isStoredProcedure, isCloseConn);
}
///
/// 取得單一值
///
/// SQL命令
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// 是否關閉連線
/// 單一值
public object ExecuteScalar(string sqlcmd,ref SqlParameter[] sqlparams, bool isStoredProcedure, bool isCloseConn)
{
return ExecuteScalar(sqlcmd,ref sqlparams, isStoredProcedure, null, isCloseConn);
}
///
/// 取得單一值
///
/// SQL命令
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// SqlTransaction,可為null
/// 是否關閉連線
/// 單一值
public object ExecuteScalar(string sqlcmd,ref SqlParameter[] sqlparams, bool isStoredProcedure, SqlTransaction trans, bool isCloseConn)
{
object result = null;
_exception = null;
try
{
if (sqlConn.State != System.Data.ConnectionState.Open)
sqlConn.Open();
SqlCommand cmd;
if (trans == null)
cmd = new SqlCommand(sqlcmd, sqlConn);
else
cmd = new SqlCommand(sqlcmd, sqlConn, trans);
if (isStoredProcedure)
cmd.CommandType = CommandType.StoredProcedure;
if (sqlparams != null)
cmd.Parameters.AddRange(sqlparams);
result = cmd.ExecuteScalar();
}
catch (Exception ex)
{
_exception = ex;
}
finally
{
closeConn(isCloseConn);
}
return result;
}
///
/// 取得單一列資料,執行後會關閉SQL連線
///
/// SQL命令
/// 是否為預存程序
/// 單一列資料
public object[] ExecuteReaderSingleRow(string sqlcmd, bool isStoredProcedure)
{
return ExecuteReaderSingleRow(sqlcmd, isStoredProcedure, true);
}
///
/// 取得單一列資料
///
/// SQL命令
/// 是否為預存程序
/// 是否關閉連線
/// 單一列資料
public object[] ExecuteReaderSingleRow(string sqlcmd, bool isStoredProcedure, bool isCloseConn)
{
SqlParameter[] sqlparams = null;
return ExecuteReaderSingleRow(sqlcmd, ref sqlparams, isStoredProcedure, isCloseConn);
}
///
/// 取得單一列資料
///
/// SQL命令,參數部份以 @參數名稱 標示
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// 是否關閉連線
/// 單一列資料
public object[] ExecuteReaderSingleRow(string sqlcmd,ref SqlParameter[] sqlparams, bool isStoredProcedure, bool isCloseConn)
{
return ExecuteReaderSingleRow(sqlcmd,ref sqlparams, isStoredProcedure, null, isCloseConn);
}
///
/// 取得單一列資料
///
/// SQL命令,參數部份以 @參數名稱 標示
/// 命令參數,可為null,參數名稱為 @參數名稱
/// 是否為預存程序
/// SqlTransaction,可為null
/// 是否關閉連線
/// 單一列資料
public object[] ExecuteReaderSingleRow(string sqlcmd, ref SqlParameter[] sqlparams, bool isStoredProcedure, SqlTransaction trans, bool isCloseConn)
{
object[] result = null;
_exception = null;
SqlDataReader reader = null;
try
{
if (sqlConn.State != System.Data.ConnectionState.Open)
sqlConn.Open();
SqlCommand cmd;
if (trans == null)
cmd = new SqlCommand(sqlcmd, sqlConn);
else
cmd = new SqlCommand(sqlcmd, sqlConn, trans);
if (isStoredProcedure)
cmd.CommandType = CommandType.StoredProcedure;
if (sqlparams != null)
cmd.Parameters.AddRange(sqlparams);
reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
object[] item;
if (reader.HasRows)
{
reader.Read();
item = new object[reader.FieldCount];
for (int j = 0; j < reader.FieldCount; j++)
{
item[j] = reader[j];
}
result = item;
}
}
catch (Exception ex)
{
_exception = ex;
}
finally
{
if (reader != null) reader.Close();
closeConn(isCloseConn);
}
return result;
}
}
}
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