利用sql存儲過程顯示內容到dataGridView

app.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <connectionStrings>
    <add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=test1;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr" />
    <add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=Test;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr2" />
    <add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=School;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr3" />

  </connectionStrings>
</configuration>

 

ClassModel.cs:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WindowsFormsApplication1
{
    class ClassModel
    {
        public string f_name
        {
            get;
            set;
        }
        public string f_password
        {
            get;
            set;
        }
        public string f_email
        {
            get;
            set;
        }
    }
}

 

c#       

 List<ClassModel> li = new List<ClassModel>();
        private void button1_Click(object sender, EventArgs e)
        {
            string connstr= ConfigurationManager.ConnectionStrings["connstr"].ConnectionString;
            using (SqlConnection conn = new SqlConnection(connstr))
            {
                conn.Open();
                using(SqlCommand cmd=new SqlCommand("usp_selectall",conn))
                {
                    cmd.CommandType = CommandType.StoredProcedure;
                    SqlDataReader reader = cmd.ExecuteReader();
                    if (reader.HasRows)
                    {
                        while (reader.Read())
                        {
                            ClassModel cm = new ClassModel();
                            cm.f_name = reader.IsDBNull(reader.GetOrdinal("f_user")) ? string.Empty : reader.GetString(reader.GetOrdinal("f_user"));
                            cm.f_password = reader.IsDBNull(reader.GetOrdinal("f_password")) ? string.Empty : reader.GetString(reader.GetOrdinal("f_password"));
                            cm.f_email = reader.IsDBNull(reader.GetOrdinal("f_email")) ? string.Empty : reader.GetString(reader.GetOrdinal("f_email"));
                            li.Add(cm);
                        }
                    }
                   
                }
               
            }
            dataGridView1.DataSource = li;

sql:

create proc usp_selectall
as
begin
select * from T_denglu
end