パッケージSQLhelper
3007 ワード
//
// author: agile
// datetime:5/29/2011 8:59:13 AM
// class: SQLHelper
//
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;
namespace SqlHelper
{
class SQLHelper
{
public static int ExecuteNonQuery(string sql,params SqlParameter[] parameters)
{
string conn = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
using (SqlConnection strconn = new SqlConnection(conn))
{
strconn.Open();
using (SqlCommand cmd = strconn.CreateCommand())
{
cmd.CommandText = sql;
foreach (SqlParameter parameter in parameters)
{
cmd.Parameters.Add(parameter);
}
return cmd.ExecuteNonQuery();
}
}
}
public static object ExecuteScalar(string sql, params SqlParameter[] parameters)
{
string conn = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
using (SqlConnection strconn = new SqlConnection(conn))
{
strconn.Open();
using (SqlCommand cmd = strconn.CreateCommand())
{
cmd.CommandText = sql;
foreach (SqlParameter parameter in parameters)
{
cmd.Parameters.Add(parameter);
}
return cmd.ExecuteScalar();
}
}
}
public static DataTable ExecuteDataTable(string sql, params SqlParameter[] parameters)
{
string conn = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
using (SqlConnection strconn = new SqlConnection(conn))
{
strconn.Open();
using (SqlCommand cmd = strconn.CreateCommand())
{
cmd.CommandText = sql;
foreach (SqlParameter parameter in parameters)
{
cmd.Parameters.Add(parameter);
}
DataSet dataset = new DataSet();
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
adapter.Fill(dataset);
return dataset.Tables[0];
}
}
}
}
}