##数据绑定
// An highlighted block
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace DAL
{
public class DBHelper
{
public static string connstr = "server=服务器名称;uid=用户名;pwd=密码;database=数据库名称;";
//调用方法执行查询
public static DataTable ExecuteTable(string sql)
{
SqlDataAdapter sda = new SqlDataAdapter(sql, connstr);
DataTable dt = new DataTable();
sda.Fill(dt);
return dt;
}
//调用方法执行增,删,改
public static int ExecuteNonQuery(string sql)
{
SqlConnection conn = new SqlConnection(connstr);
conn.Open();
SqlCommand comm = new SqlCommand(sql, conn);
return comm.ExecuteNonQuery();
}
}
}