private void InitalDataField(object source, IFieldCollection collection)
{
foreach (DataFieldMapping field in collection.GetFieldMappings())
{
if (field == null)
{
continue;
}
if (field is IFieldCollection)
{
IFieldCollection ifc = field as IFieldCollection;
object obj = ifc.InitialData();
field.Handler.Set(source, obj);
}
else
{
if (field.DefaultValue != null)
{
if (field.SpecifiedHandler != null)
{
field.SpecifiedHandler.Set(source, true);
}
field.Handler.Set(source, field.ToProperty(field.DefaultValue));
}
}
}
}
private void LoadDataField(object source, IFieldCollection collection, DataRow datarow)
{
foreach (AggregateFieldMapping field in collection.GetFieldMappings())
{
if (field == null)
{
continue;
}
object obj = datarow [field.Name];
bool isnull = Object.Equals(obj, DBNull.Value);
if (!isnull)
{
field.Handler.Set(source, field.ToProperty(obj));
}
}
}
void LoadDataField(object source, IFieldCollection collection, DataContext context, DataRow datarow)
{
foreach (DataFieldMapping field in collection.GetFieldMappings())
{
if (field == null)
{
continue;
}
if (field is IFieldCollection)
{
IFieldCollection ifc = field as IFieldCollection;
object obj = ifc.LoadData(context, datarow);
field.Handler.Set(source, obj);
}
else
{
object obj = field.DataOrder.HasValue ? datarow [field.DataOrder.Value] : datarow [field.Name];
bool isnull = Object.Equals(obj, DBNull.Value);
if (field.SpecifiedHandler != null)
{
if (isnull && field.DefaultValue == null)
{
field.SpecifiedHandler.Set(source, false);
}
else
{
field.SpecifiedHandler.Set(source, true);
}
}
if (!isnull)
{
field.Handler.Set(source, field.ToProperty(obj));
}
else
{
if (field.DefaultValue != null)
{
field.Handler.Set(source, field.ToProperty(field.DefaultValue));
}
}
}
}
}
