// TODO: add optional params to be converted into datatable or just accept a datatable
public IEnumerable <IEnumerable <string> > GetData()
{
var sqlConfig = sqlConfigs.First(c => c.CommandName == "Data");
var sqlParams = (sqlConfig.SqlParams == null) ? new Dictionary <string, object>() :
new Dictionary <string, object>(sqlConfig.SqlParams);
using (var conn = connectionService.GetConnection(sqlConfig.ConnectionName))
{
using (var cmd = connectionService.GetCommand(sqlConfig.CommandText, conn, sqlParams))
{
using (var rdr = cmd.ExecuteReader())
{
do
{
yield return(mappingService.GetDocumentData(rdr));
} while (rdr.NextResult());
}
}
}
}