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Array within Web Service

Posted on 2011-09-25
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Last Modified: 2012-06-27
Writing a basic web service and it works fine for a single row result, but if I wanted multiple results to be outputted, how do I change the response into an array? Or is that not how I would return multiple responses?


<%@ WebService Language="C#" Class="webServices" %>

using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Data.SqlClient;

[WebService(Namespace = "http://dev.domain.com/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

public class webServices  : System.Web.Services.WebService {
    public struct logResponse
    {
        public string Valid;
        public string Response;
    }
        
    [WebMethod]
    public logResponse lookupCustomer(string username, string password, string customernumber, string customername, string zipcode, string phonenumber, string emailaddress, string ordernumber, string invoicenumber) {
        logResponse cdResult;		
	string cString = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["db"].ConnectionString;
        SqlConnection conn = new SqlConnection(cString);
        SqlCommand comm = new SqlCommand();
        SqlDataReader dr;
        int company = 0;
        cdResult.Valid = "";
        cdResult.Response = "";
        try
        {
            conn.Open();
            comm.CommandType = System.Data.CommandType.StoredProcedure;
            comm.CommandText = "lookupCustomer";
            comm.Connection = conn;
            comm.Parameters.AddWithValue("@username", username);
            comm.Parameters.AddWithValue("@password", password);
            comm.Parameters.AddWithValue("@customernumber", customernumber);
            comm.Parameters.AddWithValue("@customername", customername);
            comm.Parameters.AddWithValue("@zipcode", zipcode);
            comm.Parameters.AddWithValue("@phonenumber", phonenumber);
            comm.Parameters.AddWithValue("@emailaddress", emailaddress);
            comm.Parameters.AddWithValue("@ordernumber", ordernumber);
            comm.Parameters.AddWithValue("@invoicenumber", invoicenumber);
            dr = comm.ExecuteReader(System.Data.CommandBehavior.Default);
            comm.Parameters.Clear();
            
            while (dr.Read()) {
            	cdResult.Response = (string)dr["cm_name"];
            }
            
            return cdResult;
        }
        finally {
        }
    }
}

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Question by:ScubeduFan
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9 Comments
 
LVL 21

Accepted Solution

by:
Dale Burrell earned 2000 total points
ID: 36596767
public LogResponse[] LookupCustomer()
{
  List<LogResponse> TempResults = new List<LogResponse>();
  ....
  TempResults.Add(new LogResponse(NewValid, NewResponse));
  ....
  return TempResults.ToArray();
}
0
 

Assisted Solution

by:ScubeduFan
ScubeduFan earned 0 total points
ID: 36596794
Dale ... I get the error ...

The type or namespace name 'List' could not be found (are you missing a using directive or an assembly reference?)

on the line ....

List<logResponse> TempResults = new List<logResponse>();


Thanks for your help on this
0
 
LVL 21

Assisted Solution

by:Dale Burrell
Dale Burrell earned 2000 total points
ID: 36596828
0
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Author Comment

by:ScubeduFan
ID: 36596840
Next error ....

The type 'webServices.logResponse' has no constructors defined
0
 
LVL 21

Assisted Solution

by:Dale Burrell
Dale Burrell earned 2000 total points
ID: 36596846
   public struct logResponse
    {
        public string Valid;
        public string Response;

        public logResponse (string Valid, Response)
        {
          this.Valid = Valid;
          this.Response = Response;
        }
    }
       
0
 

Author Comment

by:ScubeduFan
ID: 36596878
I've requested that this question be closed as follows:

Accepted answer: 0 points for ScubeduFan's comment http:/Q_27327019.html#36596794

for the following reason:

Thank You!
0
 

Author Comment

by:ScubeduFan
ID: 36596879
Points not given
0
 
LVL 21

Expert Comment

by:Dale Burrell
ID: 36596880
Um... I think I answered the question? One normally awards the points in this situation.
0
 

Author Closing Comment

by:ScubeduFan
ID: 36890355
Thanks for proving me assistance on this.
0

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