// use ordinals to speed up access to DataReader
// links:
// docLink: http://sql2x.org/documentationLink/327451c3-64a8-4de8-b359-76742d634497
// parameters:
// reader: IDataReader from SQLClient
public void Populate(IDataReader reader, DefaultErrorOverviewDataOrdinals ordinals)
{
if (!reader.IsDBNull(ordinals.DefaultErrorId))
{
DefaultErrorId = reader.GetGuid(ordinals.DefaultErrorId);
}
if (!reader.IsDBNull(ordinals.DateTime))
{
DateTime = reader.GetDateTime(ordinals.DateTime);
}
if (!reader.IsDBNull(ordinals.DefaultErrorLayerName))
{
DefaultErrorLayerName = reader.GetString(ordinals.DefaultErrorLayerName);
}
if (!reader.IsDBNull(ordinals.DefaultErrorTypeName))
{
DefaultErrorTypeName = reader.GetString(ordinals.DefaultErrorTypeName);
}
if (!reader.IsDBNull(ordinals.DomainName))
{
DomainName = reader.GetString(ordinals.DomainName);
}
if (!reader.IsDBNull(ordinals.ClassName))
{
ClassName = reader.GetString(ordinals.ClassName);
}
if (!reader.IsDBNull(ordinals.MethodName))
{
MethodName = reader.GetString(ordinals.MethodName);
}
if (!reader.IsDBNull(ordinals.ErrorMessage))
{
ErrorMessage = reader.GetString(ordinals.ErrorMessage);
}
}
/// <summary>Error overview, last first </summary>
/// <cardinality>Many</cardinality>
public List <DefaultErrorOverviewData> DefaultErrorOverview()
{
var ret = new List <DefaultErrorOverviewData>();
string sql = @"
select top 50
de.default_error_id
,de.date_time
,delr.default_error_layer_name
,detr.default_error_type_name
,de.domain_name
,de.class_name
,de.method_name
,de.error_message
from default_error as de
inner join default_error_layer_ref as delr on delr.default_error_layer_rcd = de.default_error_layer_rcd
inner join default_error_type_ref as detr on detr.default_error_type_rcd = de.default_error_type_rcd
order by de.date_time desc
";
Logging log = Logging.PerformanceTimeStart("DefaultErrorOverview");
try {
using (var conn = new SqlConnection(ConfigurationManager.AppSettings["Conn"])) {
conn.Open();
conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit();
using (var command = new SqlCommand(sql, conn)) {
log.PerformanceTimePrepare(command);
IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult);
log.PerformanceTimeCheck();
var ordinals = new DefaultErrorOverviewDataOrdinals(reader);
while (reader.Read())
{
var data = new DefaultErrorOverviewData();
data.Populate(reader, ordinals);
ret.Add(data);
}
reader.Close();
}
}
} catch (Exception ex) {
log.Error(ex);
}
return(ret);
}
