ColumnStore class

Represents list of result columns.

public class Korzh.EasyQuery.ColumnStore
    : ColumnList, IList<Column>, ICollection<Column>, IEnumerable<Column>, IEnumerable, IList, ICollection, IReadOnlyList<Column>, IReadOnlyCollection<Column>

Fields

Type	Name	Description
Query	parentQuery	The reference to parent Query object

Properties

Type	Name	Description
Boolean	IsJustSorting	Gets a value indicating whether this instance of the column store is used for “just sorting” columns.
Boolean	IsUpdating	Gets a value indicating whether this Korzh.EasyQuery.ColumnList is updating.
DataModel	Model	Gets or sets the reference to the data model.
Query	ParentQuery	Gets the parent query.
SortedColumnList	SortedColumns	Gets the list of sorted columns.

Events

Type	Name	Description
ColumnsChangedEventHandler	ColumnsChanged	Occurs after column list has been changed.
ColumnsChangingEventHandler	ColumnsChanging	Occurs when columns list is going to be changed.

Methods

Type	Name	Description
void	BeginUpdate()	Begins the update process.
void	ClearItems()	Removes all elements from the System.Collections.ObjectModel.Collection'1.
void	CoreRefreshParams()	Refreshes the list of query parameters by parameters associated with attributes used in query columns .
void	EndUpdate()	Ends the update process.
void	InsertItem(Int32 index, Column item)	Inserts an element into the System.Collections.ObjectModel.Collection'1 at the specified index.
Boolean	IsColumnsChangeAccepted(ChangeType what, Column column, Int32 info)	Calls ColumnsChanging event and return boolean value that indicates whether the change is accepted.
void	LoadFromJsonDict(IEnumerable colList)	Loads columns from IEnumerable object. Used for loading from JSON.
void	LoadFromXmlReader(XmlReader reader)	Loads the column list using System.Xml.XmlReader object.
void	Move(Int32 index, Int32 newIndex)	Moves the specified index of the current.
void	OnColumnsChanged(ColumnsChangeEventArgs e)	Raises the ColumnsChanged event.
void	OnColumnsChanging(ColumnsChangingEventArgs e)	Raises the ColumnsChanging event.
void	RefreshParams()
void	RemoveItem(Int32 index)	Removes the element at the specified index of the System.Collections.ObjectModel.Collection'1.
void	ResyncSortingList(Boolean changeInnerIndex)	Resynchronizes the sorting list of columns correspondingly to their order.
void	SaveToXmlWriter(XmlWriter writer, String tagName)	Saves the column list to XML.