Represents some column which will be queried.
public class Korzh.EasyQuery.Column
| Type | Name | Description |
|---|
String | _caption | Column caption |
Boolean | distinct | A field that indicates whether this Column must be marked as DISTINCT in result SQL statement. |
Int32 | innerSortIndex | |
Boolean | needAliasRegeneration | Indicates whether alias should be recreated |
QueryParamList | Params | The parameters associated with this column |
ColumnStore | parent | Parent columns storage. |
SortDirection | sorting | Column sorting direction |
| Type | Name | Description |
|---|
String | Alias | Gets or Sets the column alias. |
Boolean | AllowSorting | Gets a value indicating whether this column can be sorted. |
EntityAttr | BaseAttr | Gets the entity attribute (EntityAttr object) this column is based on. |
String | Caption | Gets or sets the column caption. |
Boolean | Distinct | Gets or sets a value indicating whether this Column must be marked as DISTINCT in result SQL statement. |
EqExpression | Expr | Gets or sets the column expression. |
String | ExprType | Gets or sets the type name of the expression. |
Int32 | Index | Gets the index of column in column list. |
Boolean | IsAggregate | Gets a value indicating whether this Korzh.EasyQuery.Column is aggregate. |
Boolean | IsJustSorting | Gets a value indicating whether this column is just sorting one (will not be shown in query result). |
DataModel | Model | Gets or sets the reference to the data model where this column is defined. |
ColumnStore | Parent | Gets or sets the parent columns storage. |
Query | ParentQuery | Gets the parent query. |
Boolean | ReadOnly | Gets or sets a value indicating whether this columns marked as read only. |
Int32 | SortIndex | Gets or sets the index of the column in the sorting list. Is used to load the column from XML. |
SortDirection | Sorting | Gets or sets the sorting direction. |
Type | SystemType | Gets the system type of this column. |
String | UserData | Gets or sets users data for the column |
| Type | Name | Description |
|---|
EventHandler | ColumnChanged | Indicates that column was changed. |
| Type | Name | Description |
|---|
void | CheckDataModel() | Checks the data model object. Generates an exception if Model property has null value. |
void | CheckForParams() | Checks if the attribute associated with this column contains parameters and (if yes) - calls Korzh.EasyQuery.Query.RefreshParams method. |
void | ExprChangeHandler(Object sender, EventArgs e) | Expression’s Change event handler. |
EntityAttr | GetAttribute() | Gets the attribute associated with this column |
Int32 | GetHashCode() | Returns hash code for column |
void | LoadFromJsonDict(JsonDict colDict) | Loads column’s properties from some System.Collections.IDictionary object. It’s used for deserialization from JSON |
void | LoadFromXmlReader(XmlReader reader) | Loads Korzh.EasyQuery.Column definition from XML. |
void | OnColumnChanged(Int32 part) | Raises the ColumnChanged event. |
Boolean | OnColumnChanging(Int32 part) | Called when the column is about to change. |
void | RecreateExpression(String type) | Recreates the column expression. |
void | RegenerateCaption() | Regenerates the column caption. |
JsonDict | SaveToJsonDict() | Saves column properties into some System.Collections.IDictionary object. It’s useful for JSON serialization |
void | SaveToXmlWriter(XmlWriter writer) | Saves the column definition to XML. |
