C#_データベースインタラクション_SqlHelper
1855 ワード
using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;
namespace
{
class SQLhelper
{
public static int ExecuteNonQuery(string sql, params SqlParameter[] parameters)
{
string Constrs = ConfigurationManager.ConnectionStrings["Connstrs"].ConnectionString;
using (SqlConnection conn = new SqlConnection(Constrs))
{
conn.Open();
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = sql;
foreach (SqlParameter parameter in parameters)
{
cmd.Parameters.Add(parameter);
}
return cmd.ExecuteNonQuery();
}
}
}
public static DataTable ExecuteDataTable(string sql, params SqlParameter[] parameters)
{
string Constrs = ConfigurationManager.ConnectionStrings["Connstrs"].ConnectionString;
using (SqlConnection conn = new SqlConnection(Constrs))
{
conn.Open();
using (SqlCommand cmd = conn.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];
}
}
}
}
}