Ef Core Load Tree List
来源： https://stackoverflow.com/questions/57873786/ef-core-load-tree-list
treelist
Ef Core Load Tree List
来源： https://stackoverflow.com/questions/57873786/ef-core-load-tree-list
How to sort glazed TreeList?
问题 I have a pretty weird question - how to sort glazed TreeList? I am using it in SWT NatTable, and when my data provider is set to GlazedListsDataProvider with TreeList inside it, sorting works in a very strange way. It works fine, if I am using GlazedListsDataProvider with SortedList. For instance, my tree looks like that: Root Node1 Child1 Child2 Node2 Child3 I need to sort only children INSIDE Node1 and Node2, separately one of another (so that only child1 and child2 will change their place)
List implementations: does LinkedList really perform so poorly vs. ArrayList and TreeList?
问题 Taken from the Apache TreeList doc: The following relative performance statistics are indicative of this class: get add insert iterate remove TreeList 3 5 1 2 1 ArrayList 1 1 40 1 40 LinkedList 5800 1 350 2 325 It goes on to say: LinkedList is rarely a good choice of implementation. TreeList is almost always a good replacement for it, although it does use sligtly more memory. My questions are: What is with the ArrayList add , insert , and remove times crushing LinkedList ? Should we expect,
Binding data in DevExpress Treelist from database
问题 In my project i have a UserControl named SubControl. In that UserControl which contains TreeList and two Button . the button used to focus the next and previous row of the treelist. In another project I have another UserControl named MainControl various controls and Here i'm using the SubControl. What my problem is, From MainControl i can't able to bind the data into the treelist from the database. SqlConnection SqlCon = new SqlConnection("Data Source=source; Initial Catalog=dbname;
DevExpress TreeList not displaying child nodes and displaying as root nodes instead
问题 I have a TreeList reading from a List(Of LedgerAccountEntry)() . Public Class LedgerAccountEntry Public Property LedgerAccountSys() As Integer Public ParentLedgerAccountSys As Integer ' ' ' ETC End Class In form load: tlLedgerAccounts.ParentFieldName = "ParentLedgerAccountSys" tlLedgerAccounts.KeyFieldName = "LedgerAccountSys" tlLedgerAccounts.RootValue = -1 Later on: While bla entry.LedgerAccountSys = rstAccounts("LedgerAccountSys").Value entry.ParentLedgerAccountSys = IIf(rstAccounts(
Sitecore Tree list datasource - VersionExist
问题 in the Sitecore Treelist control, I want to get only the elements listed, which have a version on that language. I did a search and found out that there are parameters for including/excluding items/templates. But I cant give in a condition like Versions.Count > 0 Is there a way to do it by passing a parameter to the datasource field of the template? Or do I need to overwrite the treelist control? Thanx 回答1: This seems to work, but I didn't test it extensively... First create a class that
DX TreeList - How to chango color of some Node
问题 i have DX treeList, it has some functionality like copy, paste, delete and so on. How to do in C# code, to change some Node color to change to some other color? 回答1: You could take a look here The appearance of individual cells can be customized by handling the TreeList.NodeCellStyle event. This event is fired for each cell before it's painted. The other way to change the appearance of cells is to handle the TreeList.CustomDrawNodeCell event. Note that changing the appearance of elements via
DX TreeList - How to chango color of some Node
i have DX treeList, it has some functionality like copy, paste, delete and so on. How to do in C# code, to change some Node color to change to some other color? Koynov You could take a look here The appearance of individual cells can be customized by handling the TreeList.NodeCellStyle event. This event is fired for each cell before it's painted. The other way to change the appearance of cells is to handle the TreeList.CustomDrawNodeCell event. Note that changing the appearance of elements via custom draw events is not in effect when the control is printed and exported. For more information on
WinForms UI控件初探：Grid Control 、Data Grid、TreeList
Grid Control 、Data Grid、Spreadsheet、Data Editor、TreeList： 超乎你想象！WinForms Grid Control处理100万行数据到底有多快？ WinForms界面控件初探：处理速度飞快的WinForms Data Grid（1） WinForms界面控件初探：处理速度飞快的WinForms Data Grid（2） WinForms界面控件初探：支持读写XLSx, XLS, CSV 和 TXT文件的Spreadsheet Control WinForms界面控件初探：强大的嵌入式多功能Data Editors WinForms界面控件初探：功能强大且高度自定义的TreeList Control 来源： oschina 链接： https://my.oschina.net/u/876556/blog/711172