public QueryExpression(string EntityName = null, ColumnSet columnSet = null)
{
ColumnSet = new ColumnSet();
if (columnSet != null)
this.ColumnSet = columnSet;
this.Criteria = new FilterExpression();
this.LinkEntities = new DataCollection<LinkEntity>();
this.Orders = new DataCollection<OrderExpression>();
this.PageInfo = new PagingInfo();
this.EntityName = EntityName;
}
public QueryByAttribute()
{
Attributes = new DataCollection<string>();
ColumnSet = new ColumnSet();
Orders = new DataCollection<OrderExpression>();
Values = new DataCollection<object>();
}
static internal ColumnSet LoadFromXml(XElement item)
{
ColumnSet columnSet = new ColumnSet()
{
AllColumns = Util.LoadFromXml<bool>(item.Element(Util.ns.a + "AllColumns"))
};
foreach (XElement Column in item.Element(Util.ns.a + "Columns").Elements(Util.ns.f + "string"))
{
columnSet.Columns.Add(Column.Value);
}
return columnSet;
}
public LinkEntity()
{
Columns = new ColumnSet();
LinkCriteria = new FilterExpression();
LinkEntities = new DataCollection<LinkEntity>();
}
public LinkEntity()
{
Columns = new ColumnSet();
LinkCriteria = new FilterExpression();
LinkEntities = new DataCollection <LinkEntity>();
}