gridcontrol | Networked Process Manager to execute functions | Runtime Evironment library
kandi X-RAY | gridcontrol Summary
kandi X-RAY | gridcontrol Summary
GridControl provisions and links multiple servers together to form a Grid. Files are synchronized, Opinionated Pub/Sub system is implemented, Servers get linked together. You develop, you play, in a scalable way. The more Servers you add to the Grid, the more calculation power you get. 5 minutes to get started. By the authors of PM2.
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Trending Discussions on gridcontrol
QUESTION
I have a list of users below:
...ANSWER
Answered 2022-Apr-09 at 19:56If you look up the source code of the method ToObservableCollection, you will find out that it returns a new collection. So your binding now points to the old objects still and you will not see any change. I have created a repo of a WPF sample for you that you can run here: https://github.com/toreaurstadboss/WpfFilteredCollection
First I define a User class for demonstration:
QUESTION
I need to find what code is causing an entity to be modified. In my .Net Core Winforms XAF EF app When I go into a detail view and click close I get a message asking me to save, even though I have not edited anything.
I added a listener to my ViewController as follows
...ANSWER
Answered 2022-Feb-16 at 02:31 private void ObjectSpace_ModifiedChanged(object sender, System.EventArgs e)
{
var os = sender as EFCoreObjectSpace;
foreach (var entry in os.DbContext.ChangeTracker.Entries())
{
foreach (var p in entry.Properties)
{
if (p.IsModified)
{
Debug.Print($"{p.Metadata.Name} {p.OriginalValue} IS NOW {p.CurrentValue}");
}
}
}
}
QUESTION
I have the following non persistent entity
...ANSWER
Answered 2022-Feb-14 at 12:26I can work around this by inheriting from the AcmeResult and using the new class instead.
QUESTION
Here is an exemplary code piece:
Model.cs
...ANSWER
Answered 2022-Feb-11 at 09:23In XAML or in code you can set the column visibility to hidden. If you give a name to your datagrid you can access his properties.
QUESTION
private void MyGrid_CellValueChanging(object sender, DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)
{
//IS_CHECK is a checkbox
if (e.Column.FieldName == "IS_CHECK")
{
if (XMsgBx.ShowInfoYesNo("Asking a Approval") == System.Windows.Forms.DialogResult.Yes)
{
//if a user clicks ok then it's ok
}
else
{
//I want to do something like e.Cancel
//Want to Cancel the input data from the user
}
}
}
...ANSWER
Answered 2022-Feb-03 at 19:30You can handle the grid view's ShowingEditor event. This event occurs when a cell's editor is about to open, and allows you to cancel this action.
QUESTION
I'm beginner in using DevExpress
tools.
I can not find any property, that shows the gridControl's
row selections state, to my if statement
.
Any suggestion?
...ANSWER
Answered 2022-Jan-17 at 13:39You can use the ColumnView.SelectedRowsCount property to return the number of selected rows/cards.
QUESTION
Firstly, I have 3 tables in my database:
Student StudentID Name Adress OtherInfo TuitionFee StudentID Years Semester FeeAmount Detailed_TuitionFee StudentID Years Semester PaymentDate PaymentAmountThen I created a stored procedure to select some column on [TuitionFee ]
and [Detailed_TuitionFee ]
with StudentID
as parameter.
ANSWER
Answered 2021-Dec-01 at 06:42at first fill your data into datatable dt. then just add GridView control on your page. then use (if you use ASP.NET Web Form):
QUESTION
i am trying to implement like the below image.
I have a grid view which has 2 columns in which i am displaying my list.
As you can see in the above image it is showing 175/67 products.
my logic is i am giving my grid view a scroll controller.
I am adding a listener to that controller but i think my logic or calculation is wrong.
below is my code :
...ANSWER
Answered 2021-Oct-12 at 09:00i think is better to use scrollable_positioned_list and working with index of your current item instead of item offset
QUESTION
I'm working on legacy code and I stumbled upon an issue that got me stuck for a week. I would like to hear others' opinion about it.
The case includes parent - children items: when a parent node is selected, a devexpress.xpf.Grid
bound to BindingList children
is populated with corresponding data. Say, a row was selected/highlighted within the grid. When another parent node is selected, the children
list is cleared, new items are added and they get displayed in the grid successfully.
Actual behavior: The previously selected row will remain selected.
Desired behavior: To clear selection when the content is updated.
Concern 1:
ItemsSourceChanged
will fire once at the first loading, but not for every update . I believe it's because the items source isn't changing per se, the object reference is still the same, but the content is updated and there's no ItemsSourceUpdated
that I could find. Also, TargetUpdated
only fires once at the first loading too despite having NotifyOnTargetUpdated
set to true and Child
implementing INotifyPropertyChanged
.
Concern 2:
When updating the children list, the ListChangedEvent
was suppressed to avoid firing for each added item. RaiseListChangedEvents
is set to false, some business logic happens, then RaiseListChangedEvents
is set back to true followed by ResetBindings()
to fire the event. When this suppression is removed, the selection is cleared as desired. I suppose there's something getting disabled but not enabled again?!
Concern 3:
For the very first load of children into the empty tableview, the first row is selected by default. This can be stopped by setting AllowInitiallyFocusedRow
to false in XAML. while researching this issue, I found KeepFocusedRowOnUpdate
which can be set to false to achieve the desired behavior. However, KeepFocusedRowOnUpdate
isn't available for the GridControl being used and I couldn't find any equivalent. What struck me is that there are many threads on Devexpress support center for achieving the opposite, people want to keep/retain/preserve previous selection. that made my search even more harder.
Concern 4:
The VM holds ReadOnlyCollection SelectedChildren
not explicitly bound to the view but Caliburn micro is used so a lot of naming convention is at work I suppose. I suspected the readonly was keeping the selection from being cleared but when removing the suppression as mentioned in point2 the selection gets cleared indeed. Unless it's a very specific case combination between these two?!
Any ideas, pointers, or similar experiences are appreciated.
PS: There's a lot of code involved so I didn't know which would be useful to add here. If there's anything specific you think would be helpful to add, please let me know.
ANSWER
Answered 2021-Aug-10 at 12:12In that case some source code would be useful. In any case to debug focusing problem on GridControl, you shoud check following properties:
On GridControl
QUESTION
I have found this link. This link explains how to get row over mouse pointer in GridView but I have not found anything about how to do this for GridControl.
Is there any ideas?
...ANSWER
Answered 2021-Apr-14 at 13:12You would use a similar method for the WPF GridControl. A GridControl is just a container for Views so using the views.CalcHitInfo method will tell you the row index and additional information about the area under the cursor.
See: Hit Information
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