swhcr.com

Wpf Datagrid Sort Direction Not Working

Home > Wpf Datagrid > Wpf Datagrid Sort Direction Not Working

Wpf Datagrid Sort Direction Not Working

Contents

The sort-direction cycle can be modified by providing a column with a newSortDirectionCycle collection or by handling the grid'sSortDirectionChanging event. share|improve this answer answered Dec 19 '11 at 2:32 Xcalibur37 1,82111015 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign ColumnInfo's dependency property definition wires in the necessary event handling. To get back to the original state you have to set the column.SortDirection back to null and clear out the SortDescriptions that were added when you click on the column header. his comment is here

Reply ↓ Cynthia November 22, 2015 at 9:05 pm This is really very good article! private bool updatingColumnInfo = false; public ObservableCollection ColumnInfo { get { /* ... */ } set { /* ... */ } } private void UpdateColumnInfo() { updatingColumnInfo = true; ColumnInfo = Please see if there is a newer thread on the subject and ensure you're using the most recent build of any software if your question regards a particular product. at 10:31 AM Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Reactions: 7 comments: AnonymousJuly 31, 2011 at 9:43 PMthank you so much!

Wpf Datagrid Sort Column

In fact, I use an auto-generating-column behavior, which I do not wish to give up. I prefer to do that in xaml, but any solution will be great. Figure 1: ColumnManagerCell Figure 2: GroupByItem The AllowSort property, which can be set ona column-manager row or group-by control, indicates whether the end user can sort columns. Our EnhancedDataGrid has a few limitations.

asked 5 years ago viewed 5120 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends in 6 days Blog How We Make Money at Stack Overflow: 2016 Edition Qual è il significato di "resa" in questa frase? The content of one or more columns can be sorted by clicking in the corresponding ColumnManagerCell (see Figure 1). Wpf Datagrid Sorting Event Hot Network Questions Is there a Pokémon + Move set that can solo the Elite Four without any restoring items in Pokemon X?

var dataView = CollectionViewSource.GetDefaultView(this.DataGrid.ItemsSource); dataView.SortDescriptions.Clear(); dataView.SortDescriptions.Add(new SortDescription("PropertyName", ListSortDirection.Ascending)); // multi-level sort could add more sort descriptions here dataView.Refresh(); I know I could sort the underlying collection that I use for my Wpf Datagrid Sort Column Programmatically Posted on May 16 2012 Post reply Data Products LightSpeed ORM NHibernate Designer SimpleDB Tools SharePoint Tools DevOp Tools Raygun Visual Controls WPF Elements WPF Diagrams Silverlight Elements Phone Elements Popular Thank You :) !!!!ReplyDeleteAnonymousFebruary 12, 2016 at 5:32 AMEinfacher geht es nicht, klappt einwandfrei. Browse other questions tagged wpf xaml mvvm datagrid wpfdatagrid or ask your own question.

Our OnInitialized override looks like: private bool inWidthChange = false; protected override void OnInitialized(EventArgs e) { EventHandler sortDirectionChangedHandler = (sender, x) => UpdateColumnInfo(); EventHandler widthPropertyChangedHandler = (sender, x) => inWidthChange = Datagrid Sorting Wpf The source of the binding (which defineds GroupColumn) comes from the ViewModel of SearchOptionsView.

Wpf Datagrid Sort Column Programmatically

Reply ↓ Dewey November 21, 2014 at 10:42 am Hi Ben, Thanks for posting this. Join them; it only takes a minute: Sign up WPF DataGrid default sort not working up vote 3 down vote favorite I have a DataGrid, with columns XAML as such:

How can I do that? this content Is it normal to treat Math Theorems as "Black Boxes" How to check if a given string is a substring of an element of a list Where do the white lines Reply ↓ Nico October 20, 2015 at 2:45 pm This is really great. And the ListView didn't support this. Wpf Datagrid Get Sort Direction

It relies on ((Binding)((DataGridBoundColumn)column).Binding).Path.Path to properly identify the sort-by column(s), an assumption which may not hold true in certain scenarios. The garbage collector won't free up the memory used by our data grid, even if it is no longer being displayed. So, using the CollectionViewSource, you're just defining a custom view for your collection. weblink While debug, i could see data fetch and column generation happens quickly but screen shows blank rows for around 5/10secs(rendering) and then displays data.

This property gets or sets direction of the sorting. Sortmemberpath Then, the Time column appears to be sorted descending, but is sorted ascending. But basically when the sorting event triggers and the current SortDirection is null I set it to Ascending so that the default sorter will reverse the SortDirection to descending, and this

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

Not the answer you're looking for? If I wanted to apply a multi-level sort programatically, how would I do that? Thanks! Collectionviewsource Sortdescriptions Changes from the Other Direction So far, we update ColumnInfo whenever the user makes a relevant modification to the grid.

Is it possible to turn a 3d rotation matrix (4x4) into its component parts (rotation, scale, etc.)? http://blogs.msdn.com/b/vinsibal/archive/2008/08/29/wpf-datagrid-tri-state-sorting-sample.aspx In the above blog they use one more state of Sorting in DataGrid.. XAML Copy Code check over here VB.NET Copy Code Imports System Imports System.Collections.Generic Imports System.Text Imports System.Collections Namespace Xceed.Wpf.Documentation Public Class ConsonantVowelComparer Implements IComparer Public Sub New() End Sub Public Function Compare(ByVal x As Object, _ ByVal

Use at your own risk. */ using System; using System.Linq; using System.Windows.Controls; using System.Windows; using System.Collections.ObjectModel; using System.ComponentModel; using System.Windows.Data; namespace EnhancedwDataGridExample { class EnhancedDataGrid : DataGrid { private bool inWidthChange However, instead of calling UpdateColumnInfo, this event handler sets the bool instance variable inWidthChange to true. That updates the sort direction of the arrow in the heading, but doesn't seem to apply a sort to the items. So arrows (that shows which direction datagrid is sorted) should be always visible.

I do understand there might be multiple checked so what basis needs to be used, I have a time column , I can use that along with it. We want our handler to say around as long as the control does, so we need a way to keep our handler are in place after theme changes. an item is added) There currently is no built in multi-level sorting, but for now you can at least create a custom IComparer that performs multi-level sorting which you can pass How does insertion of mixed sObjects behave?

All available references tell me the DataGrid is supposed to maintain its own CollectionView or one of its three derivatives. –ProfK Mar 12 '15 at 2:54 @dymanoid, How can DataGridColumn.SortDirection is used to queue the visual arrow in the DataGridColumnHeader to point up, down, or to not show.