using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using System.Data.SqlClient;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
SqlConnection sqlconnection = new SqlConnection("SERVER=.;Initial Catalog=MySchool;User ID=sa;Password=123456");//数据库连接
string sql = string.Format("SELECT * FROM Student");
sqlconnection.Open();
SqlCommand sqlcommand = new SqlCommand(sql, sqlconnection);
SqlDataAdapter da = new SqlDataAdapter(sqlcommand);
DataSet ds = new DataSet();
da.Fill(ds);
for (int i = 0; i < ds.ToString().Length; i++)
{
Console.WriteLine(ds.Tables[0].Rows[i]["LoginId"]);//输入要打印的表中字段名
Console.WriteLine(ds.Tables[0].Rows[i]["LoginPwd"]);//输入要打印的表中字段名
}
Console.ReadLine();
}
}
}
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using System.Data.SqlClient;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
SqlConnection sqlconnection = new SqlConnection("SERVER=.;Initial Catalog=MySchool;User ID=sa;Password=123456");//数据库连接
string sql = string.Format("SELECT * FROM Student");
sqlconnection.Open();
SqlCommand sqlcommand = new SqlCommand(sql, sqlconnection);
SqlDataAdapter da = new SqlDataAdapter(sqlcommand);
DataSet ds = new DataSet();
da.Fill(ds);
for (int i = 0; i < ds.ToString().Length; i++)
{
Console.WriteLine(ds.Tables[0].Rows[i]["LoginId"]);//输入要打印的表中字段名
Console.WriteLine(ds.Tables[0].Rows[i]["LoginPwd"]);//输入要打印的表中字段名
}
Console.ReadLine();
}
}
}