using .NET web service (Dataset) from progress OpenEdge 4GL [closed]

[jasperdmx]

I created web service in C# .net with input parameter : DataSet

in other side, i need to use this web service from progress OpenEdge 4GL 10.1 (not 10.2)

the problem is Dataset in OpenEdge cant match with DataSet in .net. always return 0 in the result

I'm C# programmer, so dont have deep knowledge in porgress. I did research in progress forum, but not a good result.

any help ? thanks in advance.

*codes*****

//web service : C# .net

[webmethod]

public int getResult(DataSet ds)
{

DataTable tbl = ds.Tables["datas"];

int result=0;

foreach (DataRow dr in tbl.Rows){ //only 1 record = 1 row

result = Convert.toInt32(dr["field1"]); }

return result;
}


//progress OpenEdge 10.1

--- create and fill temp-table : field1 = 30 and only 1 record

--- create dataset and bind to temp-table

--- connect to web service

--- call webmethod :

define variable result as integer no-undo.

RUN getResult IN hPortType(INPUT dataset,OUTPUT result).

message result view-as alert-box info button ok. ---> RESULT ALWAYS 0

/****/

anyone know how to "bridge" dataset in progress openedge to .net dataset ?

note: this web service works well if called from .net

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