QueryColumnStore class

Represents list of result columns.

public class Korzh.EasyQuery.QueryColumnStore
    : QueryColumnList

Package: Korzh.EasyQuery (targets: netstandard2.0)

Assembly: Korzh.EasyQuery.dll


Name Type Description
QueryColumnStore(Query query, bool justSorting) void Initializes a new instance of the Korzh.EasyQuery.QueryColumnStore class.


Name Type Description
parentQuery Query The reference to parent Query object


Name Type Description
IsJustSorting bool Gets a value indicating whether this instance of the column store is used for "just sorting" columns.
IsUpdating bool Gets a value indicating whether this Korzh.EasyQuery.QueryColumnList is updating.
Model DataModel Gets the DataModel object associated with this list
ParentQuery Query Gets the parent query.
SortedColumns SortedColumnList Gets the list of sorted columns.


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


Name Type Description
BeginUpdate() void Turns on the "updating" state. Any changes occured during this state will not initiate Korzh.EasyQuery.QueryColumnStore.ColumnsChanged event until Korzh.EasyQuery.QueryColumnStore.EndUpdate is called.
ClearItems() void Removes all elements from the System.Collections.ObjectModel.Collection'1.
CoreRefreshParams() void Refreshes the list of query parameters by parameters associated with attributes used in query columns .
EndUpdate() void Turns the "updating" state off.
InsertItem(int index, QueryColumn item) void Inserts an element into the System.Collections.ObjectModel.Collection'1 at the specified index.
IsColumnsChangeAccepted(ChangeType what, QueryColumn column, int info) bool Calls ColumnsChanging event and return boolean value that indicates whether the change is accepted.
LoadFromXmlReader(XmlReader reader) void Loads the column list using System.Xml.XmlReader object.
Move(int index, int newIndex) void Moves the specified index of the current.
ReadFromJsonAsync(JsonReader reader) Task Loads the column list using Newtonsoft.Json.JsonReader object (asynchronous way).
RemoveItem(int index) void Removes the element at the specified index of the System.Collections.ObjectModel.Collection'1.
ResyncSortingList(bool changeInnerIndex) void Resynchronizes the sorting list of columns correspondingly to their order.
SaveToXmlWriter(XmlWriter writer, string tagName) void Saves the column list to XML.
WriteToJsonAsync(JsonWriter writer) Task Saves the column list using Newtonsoft.Json.JsonWriter object (asynchronous way).