[syncfusion_flutter_datagrid] Can't set datagridcontroller.selectedRow/s after last update

[berslen]

Bug description

Repod steps;

Use package version 28.2.11
Try setting selectedRow/s from data grid controller
dataGridController.selectedRows = [dataGridSource.effectiveRows[rowColumnIndex.rowIndex]]
It throws out of index error

Also I would like to mention for other bug,
When using grouping in the table dataGridSource.effectiveRows doesnt include the RowType.captionSummaryCoveredRow which make it impossible to set selectedRows progmatically because rowColumnIndex is shifts if there is any groups.
I know there is active feedback is your official site, but it's still sitting at validated even though it's been months. If you can provide a timeline on fix of this issue it would be great.

Steps to reproduce

Repod steps;

Use package version 28.2.11
Try setting selectedRow/s from data grid controller
It throws out of index error

Code sample

Code sample

dataGridController.selectedRows = [dataGridSource.effectiveRows[rowColumnIndex.rowIndex]]

Screenshots or Video

Screenshots / Video demonstration

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Stack Traces

Stack Traces

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On which target platforms have you observed this bug?

Windows

Flutter Doctor output

Doctor output

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[abineshPalanisamy]

Hi @berslen ,

Query 1:

After analyzing the details, we believe that the exception occurs at the sample level. The effective collection changes when sorting or filtering is performed on the DataGrid. In your case, you are fetching rows from the effective row collection. If a row index does not exist in this collection, it will result in an out-of-range error. You need to pass the correct rowIndex.

In SfDataGrid, starting from version 28.2.11, selection is handled based only on visible rows. The selection details are maintained only for rows currently available in the DataGrid. Therefore, you need to ensure that the rowIndex you pass corresponds to a row that is currently visible in the DataGrid.

If you are still encountering the same problem, we kindly request you to modify the attached sample to reproduce the issue and provide additional details, including device specifications and reproduction steps along with a video demonstration. This will greatly assist us in investigating the issue further and providing an appropriate solution as quickly as possible.

• Sample: SfDataGrid.zip

Query 2:

We will implement this feature in any of our upcoming releases. At the planning stage for every release cycle, we review all open features and identify features for implementation based on specific parameters including product vision, technological feasibility, and customer interest. We appreciate your patience and understanding until then. You can follow up with the below feedback for further details,

Feedback link: 50282

Regards,
Abinesh P

[berslen]

@abineshPalanisamy

Please check my custom selection manager, CTRL+A selection is not working in this code.
Senario 1
Apply filter => 1 Row left
Click Set Rows Selection button to set the row index to 2
I would expect out of index error since table has only 1 item.

Senario 2
Apply filter => 5 out of 10 rows remains in the table
CTRL+A to select all rows
I would expect it to select the 5 remained rows not the all 10 rows

Package version 28.2.11. Device Windows

main.zip

[abineshPalanisamy]

Hi @berslen ,

Query 1:

In the provided sample, you have used DataGridSource.rows to apply selection. This collection contains all rows, regardless of filtering. When you fetch a row using an index, it is retrieved from DataGridSource.rows. However, starting from SfDataGrid version 28.2.11, we have modified the selection behavior. Now, selection is based only on visible rows. You should use the DataGridSource.effectiveRows collection to get the correct rows available in the current view.

 TextButton(
                child: const Text('Set Rows Selection'),
                onPressed: () {
                  dataGridController.selectedRows = [
                    employeeDataSource
                        .effectiveRows[RowColumnIndex(2, 0).rowIndex],
                  ];
                },
    ),

If the given index is outside the range of effectiveRows, an index error will be thrown.

Additionally, note that you have performed programmatic selection in your sample. Therefore, you need to handle selection by setting the appropriate row index based on the currently visible rows.

Query 2:

We have checked your cases using the provided sample. The CTRL + A shortcut selects only the currently visible rows. We have verified everything, and it works as expected—CTRL + A selects the filtered rows in the view. We have also included a video reference of our testing.

Additionally, we have noted that both selectedRows and _employeeData refer to the same underlying list. As a result, modifying selectedRows also affects _employeeData because they share the same reference. Therefore, in handleKeyEvent, you need to use _dataGridSource._employeeData.toList() to create an independent list.

If you are still encountering the same issue, we kindly request you to provide a video reference demonstrating the problem. This will help us accurately reproduce the issue and assist in finding an appropriate solution as quickly as possible.

Video :

Video.mp4

Sample : SfdataGrid.zip

Regards,
Abinesh P