Retrieve data from database using ado.net?

Posted by Mandlaa under ADO.NET on 10/13/2014 | Points: 10 | Views : 1891 | Status : [Member] | Replies : 3

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ID  Name Job          DeptName 

100     g       Mgr           p1        

100     g        pur          d1

200     f        Sal          p2

200     f        order        d2

This is my table with data,i want to retrieve data using data reader using below code,

I want to loop execute two times,One is retrieve data ID with Two(rows) records data,and again retive data loadId alogwith two rows data 

Finally total data stored in alist


I am writing above code not getting perfect way of data,can you give me perfect code,once see my code once

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Posted by: Mandlaa on: 10/13/2014 [Member] Starter | Points: 25

0	Give me rply Mandlaa, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Loganathanav on: 11/12/2014 [Member] Starter | Points: 25

0	Can you please attach the code which is written by you? I'll sort out this problem. Mandlaa, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Mandlaa on: 11/12/2014 [Member] Starter | Points: 25

0	[DataContract] public class Employee { [DataMember] public string ID {get;set;} [DataMember] public List<Dept> Depts; } public class Dept { [DataMember] public string Job { get; set; } [DataMember] public string DeptName { get; set; } } public List<Empoyee> AllEmp() { List<Empoyee> lists = new List<Empoyee>(); Empoyee dto = new Empoyee(); SqlConnection con = new SqlConnection(@"data"); con.Open(); SqlCommand cmd = new SqlCommand("selectEmpoyee", con); cmd.CommandType = CommandType.StoredProcedure; SqlDataAdapter adp = new SqlDataAdapter(cmd); DataSet ds = new DataSet(); DataTable dt = new DataTable(); adp.Fill(dt); List<Dept> uplist = new List<dept>(); Dept up; intId = 0; dto.ID = Convert.ToInt32(dt.Rows[0]["ID"]); foreach (DataRow stoup in dt.Rows) { if(Id!=0) loadId = Convert.ToInt32(stoup["ID"]); if (Id != dto.ID \|\| (Id == 0)) { dto = new Status(); dto.ID = Convert.ToInt32(stoup["ID"]); dto.Name = stoup["Name"].ToString(); lists.Add(dto); } if ((Id == dto.ID) \|\| (Id == 0)) { up = new Dept(); up.Job = stoup["Job"].ToString(); up.DeptName = stoup["DeptName"].ToString(); uplist.Add(up); Id = Convert.ToInt32(stoup["ID"]); } dto.Depts = uplist; } return lists; } Mandlaa, if this helps please login to Mark As Answer. \| Alert Moderator

[DataContract]
    public class Employee
    {
        [DataMember]
       public string ID {get;set;}
[DataMember]
           public List<Dept> Depts;
}
 public class Dept
    {      

        [DataMember]
        public string Job { get; set; }
        [DataMember]
        public string DeptName { get; set; }
}

public List<Empoyee> AllEmp()
        {    
            List<Empoyee> lists = new List<Empoyee>();
            Empoyee dto = new Empoyee();            

            SqlConnection con = new SqlConnection(@"data");
            con.Open();
            SqlCommand cmd = new SqlCommand("selectEmpoyee", con);
            cmd.CommandType = CommandType.StoredProcedure;
            SqlDataAdapter adp = new SqlDataAdapter(cmd);
            DataSet ds = new DataSet();
            DataTable dt = new DataTable();
            adp.Fill(dt);           
            List<Dept> uplist = new List<dept>();
            Dept up;   
     intId = 0;
            dto.ID = Convert.ToInt32(dt.Rows[0]["ID"]);
            foreach (DataRow stoup in dt.Rows)
            {
                if(Id!=0)
                    loadId = Convert.ToInt32(stoup["ID"]);

                if (Id != dto.ID || (Id == 0))
                {    
                    dto = new Status();
                    dto.ID = Convert.ToInt32(stoup["ID"]);
                    dto.Name = stoup["Name"].ToString();
                    lists.Add(dto);                   
                }             
                   
                if ((Id == dto.ID) || (Id == 0))
                {
                    up = new Dept();
                    up.Job = stoup["Job"].ToString();
                    up.DeptName = stoup["DeptName"].ToString();                   
                    
                    uplist.Add(up);                    
                                
                Id = Convert.ToInt32(stoup["ID"]);
                    }               
                dto.Depts = uplist;
            }
            return lists;
        }

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