CREATE PROCEDURE 全部学生<dbo.selectUsers>
AS SELECT * FROM 学生
GO
EXEC 全部学生

CREATE PROCEDURE 学生查询1
@SNAME VARCHAR(8),@SDEPT VARCHAR(20)
AS SELECT * FROM 学生 WHERE 姓名=@SNAME AND 所在系=@SDEPT
GO
EXEC 学生查询1 '张三','计算机系'

EXEC 学生查询1 @SNAME='张三',@SDEPT='计算机系'

DROP PROCEDURE<存储过程名组>

//不带参数
public static DataTable GetList(string sqlDBO)
{
  DataSet ds = new DataSet();
  SqlCommand cmd = new SqlCommand(sqlDBO, Connection);
  cmd.CommandType = CommandType.StoredProcedure; //指定命令类型为存储过程
  SqlDataAdapter da = new SqlDataAdapter(cmd);
  da.Fill(ds);
  return ds.Tables[0];
}
//带参数
public static DataTable GetList(string sqlDBO,params SqlParameter[] values)
{
  DataSet ds = new DataSet();
  SqlCommand cmd = new SqlCommand(sqlDBO, Connection);
  cmd.CommandType = CommandType.StoredProcedure; //指定命令类型为存储过程
   cmd.Parameters.AddRange(values);
   //cmd.Parameters.AddWithValue("@参数1", 值1); 
   //cmd.Parameters.AddWithValue("@参数2", 值2);
  SqlDataAdapter da = new SqlDataAdapter(cmd);
  da.Fill(ds);
  return ds.Tables[0];
}

//不带参数
public static IList<Users> GetUserList()
{
  List<Users> list = new List<Users>();
  DataTable table = DBHelper.GetList("存储过程名称");
  foreach (DataRow row in table.Rows)
  {
    Users users = new Users();
    users.Id=(int)row["id"];
    users.UserName=(string)row["userName"];
    users.Password=(string)row["password"];
    list.Add(users);
  }
  return list;
}
//带参数
public static IList<Users> GetUserList(string userName,string password)
{
  List<Users> list = new List<Users>();
  SqlParameter[] para=new SqlParameter[]
  {
    new SqlParameter("@userName",userName),
    new SqlParameter("@password",password)
};
  DataTable table = DBHelper.GetList("存储过程名称",para);
  foreach (DataRow row in table.Rows)
  {
    Users users = new Users();
    users.Id=(int)row["id"];
    users.UserName=(string)row["userName"];
    users.Password=(string)row["password"];
    list.Add(users);
  }
  return list;
}