Hello,
I want to select multiple rows in a TreeGrid or Grid with checkboxes. We have a client side blazor project with newest syncfusion version 18.1.54!
I tested the selection according the examples on your documentation site (TreeGrid and Grid) but I have some problems:
- Grid: if I select a row the last selected row is not in the list I get with: await controlRefObject.GetSelectedRecords(). I checked the result in the events row selected, selecting, deselect, deselcting... always one row is missing!
Code:
<SfGrid @ref="gridSwcChilds" ID="targetSwc" DataSource="@HiCoSwcChildrenCollection" AllowSelection="true" TValue="HiCoSwc" AllowPaging="true" Toolbar="@(new List<string>() { "Add", "Delete", "Edit", "Cancel" })" ShowColumnMenu="true" @bind-AllowFiltering="@ShowSwcFiltering" @bind-AllowGrouping="@ShowSwcGrouping" AllowSorting="true">
<GridEvents TValue="HiCoSwc" RowSelecting="GetSelectingSwcPartRow" RowSelected="GetSelectedSwcPartRow" RowDeselected="GetDeSelectedSwcPartRow"/>
<GridPageSettings PageSize="5" />
<GridSelectionSettings Type="SelectionType.Multiple" CheckboxMode="CheckboxSelectionType.ResetOnRowClick" Mode="SelectionMode.Row" PersistSelection="true"/>
<GridColumns>
<GridColumn Type="ColumnType.CheckBox" Width="50"/>
<GridColumn Field="@nameof(HiCoSwc.ID)" HeaderText="ID" IsPrimaryKey="true" AllowResizing="true" />
<GridColumn Field="@nameof(HiCoSwc.ParentID)" HeaderText="Parent ID" AllowResizing="true" />
<GridColumn Field="@nameof(HiCoSwc.Name)" HeaderText="Name" AllowResizing="true" />
<GridColumn Field="@nameof(HiCoSwc.TypeInformation)" HeaderText="Details" AllowResizing="true" />
</GridColumns>
</SfGrid>
public async void GetSelectingSwcPartRow(RowSelectingEventArgs<HiCoSwc> args)
{
var data = args.Data;
SelectedSwc = data;
}
public async void GetSelectedSwcPartRow(RowSelectEventArgs<HiCoSwc> args)
{
var data = args.Data;
SelectedSwc = data;
var temp = await controlHiCoSwcChildren.GetSelectedRecords();
SelectedSwc = temp.LastOrDefault();
...
}
- TreeGrid: if I want to get the selected records in the row selecting event with "treegridcontro.GetSelectedRecords()" the method returns null.
Code:
methods similar like Grid example!
<SfTreeGrid @ref="treeGridHiCoSwcChildren" ID="targetSwc" DataSource="@HiCoSwcChildrenCollection" AllowSelection="true" TValue="HiCoSwc" ParentIdMapping="@nameof(HiCoSwc.ParentID)" IdMapping="@nameof(HiCoSwc.ID)" TreeColumnIndex="2" AllowPaging="true" Toolbar="@(new List<string>() { "Add", "Delete", "Edit", "Cancel" })" ShowColumnMenu="true">
<TreeGridEvents TValue="HiCoSwc" RowSelecting="GetSelectingSwcPartRow" RowSelected="GetSelectedSwcPartRow" />
<TreeGridPageSettings PageSize="5" PageSizeMode="PageSizeMode.All" />
<TreeGridSelectionSettings Type="SelectionType.Multiple" CheckboxMode="CheckboxSelectionType.ResetOnRowClick" Mode="SelectionMode.Row" PersistSelection="true" />
<TreeGridColumns>
<TreeGridColumn Type="ColumnType.CheckBox" Width="50" />
<TreeGridColumn Field="@nameof(HiCoSwc.ID)" HeaderText="ID" IsPrimaryKey="true" AllowResizing="true" />
<TreeGridColumn Field="@nameof(HiCoSwc.ParentID)" HeaderText="Parent ID" AllowResizing="true" />
<TreeGridColumn Field="@nameof(HiCoSwc.Name)" HeaderText="Name" AllowResizing="true" />
<TreeGridColumn Field="@nameof(HiCoSwc.TypeInformation)" HeaderText="Details" AllowResizing="true" />
</TreeGridColumns>
<SfTreeGrid>
