Sfdatagrid grouping

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Sfdatagrid grouping

SfDataGrid allows you to group the data against one or more columns. When grouping is applied, the data is organized into a hierarchical structure based on matching column values and it is sorted by ascending order. SfDataGrid allows you to group the data in below ways. You can allow end-user to group the data by setting SfDataGrid.

AllowGrouping property to truewhere user can drag and drop the column into GroupDropArea to group based on that column. When the column is grouped, records that have an identical value in the column are combined to form a group.

ShowGroupDropArea property to true. You can enable or disable grouping on particular column by setting the GridColumn. AllowGrouping property. AllowGrouping takes higher priority than SfDataGrid. The data can be grouped by an unlimited number of columns. To group more than one columns, drag-and-drop the desired columns in to GroupDropArea.

Each group is identified by its CaptionSummaryRows and it is used to organize the data into a hierarchical tree structure based on identical values of that column. The underlying records in each caption summary row can be expanded or collapsed by clicking its group caption.

Each CaptionSummaryRow carries information about a particular group like group name, number of items records in the group, etc. GroupColumnDescriptions collection. You can group the column in SfDataGrid based on the value being displayed in cell by setting GridColumn. In the below example, OrderID column displays value with one decimal digit in cell. But when you group, groups will be created based on actual value considering all decimal digits of value Refer right side screen shot.

You can group based value displayed in the cell by setting GridColumn. In SfDataGrid, you can group the column based on display value and also the same can be displayed in caption summary by setting GridColumn. You can remove all the groups by clearing SfDataGrid.

To ungroup the column in UI, click the close button on column header or drag the column header from the GroupDropArea and drop it on the header row. You can hide the column header when the particular column gets grouped by setting SfDataGrid.

ShowColumnWhenGrouped property to false. You can freeze the group caption of the group in view until its records scrolled out of the view by setting the SfDataGrid.SfDataGrid allows to group the data against one or more columns. When grouping is applied, the data is organized into a hierarchical structure based on matching column values and it is sorted by ascending order. End-user can group the data by setting SfDataGrid.

AllowGrouping property to true. Grouping for particular column can be enables or disabled by setting the GridColumnBase. AllowGrouping property. AllowGrouping takes higher priority than SfDataGrid. The data can be grouped by an unlimited number of columns. To group more than one columns, drag-and-drop the desired columns in to GroupDropArea. Each group is identified by its CaptionSummaryRows and it is used to organize the data into a hierarchical tree structure based on identical values of that column.

The underlying records in each caption summary row can be expanded or collapsed by clicking its group caption. Each CaptionSummaryRow carries information about a particular group like group name, number of items records in the group, etc. SfDataGrid allows to group the data programmatically by adding or removing GroupColumnDescription collection.

GroupColumnDescriptions collection. The groups can be removed by removing GroupColumnDescription collection or by specifying the index using the RemoveAt method. To ungroup the column in UI, click the close button on column header or drag the column header from the GroupDropArea and drop it on the header row.

The group caption text can be formatted using the SfDataGrid.

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GroupCaptionTextFormat property. By default, the records in each group can be viewed by expanding its group caption. The end-user can expand or collapse the groups programmatically at runtime. All the groups can be expanded while grouping by setting SfDataGrid. AutoExpandGroups to true. So, when user group any column, all groups will be in expanded state.

All the groups can be expanded or collapsed programmatically at runtime by using SfDataGrid. ExpandAllGroup methods. Groups can be expanded or collapsed based on its level by using SfDataGrid. ExpandGroupsAtLevel methods. Specific group can be expanded or collapsed by using SfDataGrid.

sfdatagrid grouping

ExpandGroup methods.This page shows how to group your rows. It starts off with Auto Column Groups, the simplest way to configure row groups and then builds up into more advanced topics for row grouping. There is no limit on the number of columns that the grid can group by. For example, the following will group the rows in the grid by country and then sport:.

The grid also lets you automatically create one column for each individual group. This is achieved by setting gridOptions. The following example illustrates this. Note that:. You can specify your own configuration used by the auto group columns by providing a gridOptions. This can be used to override any property as defined in the Columns documentation page. The auto columns generated by the grid use the ag-Grid provided group cell renderer.

This means that gridOptions. Check the cell rendering docs to see all the available parameters available to configure the group cell renderer. Filter on group columns is more complex than filtering on normal columns as the data inside the column can be a mix of data from different columns. For example if grouping by Country and Year, should the filter be for Year or for Country?

For auto generated group columns, the filter will work if you specify one of fieldvalueGetter or filterValueGetter. You may have noticed in the examples so far that the group columns don't produce values on the leaf nodes, the cells are empty. If you want to add values you can add a valueGetter or field to the colDef and it will be used to render the leaf node. A side effect of this is that filtering will now work for the columns using the field values. This example shows specifying field in the auto group column.

Note the following:. Adding leaf nodes data can also be achieved even if you provide your own group columns, this is illustrated in the following example. If you use the default group cell renderer provided by ag-grid, there are many parameters that can be passed to configure its behaviour, they are all explained in the Group Cell Renderer documentation.

Please have a look at this docs if you are interested in finding our how to change the contents that are displayed in each grouped cell. By default, if you are using a column to display more than one group, the grid will order the groups based in the order in which you provide the columns. The following code snipped will group by country first, then sport second. To explicitly set the order of the grouping and not depend on the column order, use rowGroupIndex instead of rowGroup as follows:.

The grid will order sort the columns based on the rowGroupIndex. The values can be any numbers that are sortable, they do NOT need to start at zero or one and the sequence can have gaps. The following examples shows using rowGroupIndex to set the order of the group columns. Year is grouped first and Country is grouped second.

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Depending on your preference, you may wish to hide parent rows when they are open. This gives the impression to the user that the children takes the place of the parent row. This feature only makes sense when groups are in different columns.

Adding a Data Grid in WPF

Below shows examples of this. Notice that each group row has aggregated values which are explained in a documentation page of their own.Walk through the entire process of creating a real world of this control. The following list of assemblies needs to be added as reference to use SfDataGrid control in any application. In order to use export to excel and export to PDF functionalities of SfDataGrid control, add the reference to following assemblies.

SfDataGrid control can be added to the application by dragging it from Toolbox and dropping it in Designer view.

sfdatagrid grouping

The required assembly references will be added automatically. SfDataGrid is a data-bound control. So before create binding to the control, you must create data model for Application. If you want your data object OrderInfo class to automatically reflect property changes, then the object must implement INotifyPropertyChanged interface. Create a ViewModel class with Orders property and Orders property is initialized with several data objects in constructor.

ItemsSource property to an IEnumerable implementation. Each row in SfDataGrid is bound to an object in data source and each column in SfDataGrid bound to a property in data object.

Bind the collection created in previous step to SfDataGrid. ItemsSource property. The type of the column generated depends on the type of data in the column and the attribute of the property the column bound with. When columns are auto-generated, you can handle the SfDataGrid. AutoGeneratingColumn event to customize or cancel the columns before they are added to the SfDataGrid.

You can prevent the automatic column generation by setting SfDataGrid. AutoGenerateColumns property is falseyou have to define the columns to be displayed as below. By default, the entire row is selected when a user clicks a cell in a SfDataGrid. You can set the SfDataGrid.This section provides a quick overview for working with the data grid for WinForms.

Walk through the entire process of creating a real world data grid. Refer control dependencies section to get the list of assemblies or NuGet package needs to be added as reference to use the SfDataGrid control in any application.

SfDataGrid control can be added to the application by dragging it from Toolbox and dropping it in Designer.

The required assembly references will be added automatically. DataSource property to an IEnumerable implementation. Each row in SfDataGrid is bound to an object in data source and each column in SfDataGrid bound to a property in data object.

DataSource property. The type of the column generated depends on the type of data in the column and the attribute of the property the column bound with. The following table lists the column types and its constraints for auto column generation.

AutoGeneratingColumn event can be handled to customize or cancel the columns before they are added to the SfDataGrid. AutoGenerateColumns property is false, The columns to be displayed should be defined as below. By default, the entire row is selected when a user clicks a cell in a SfDataGrid. The SfDataGrid.

SelectionMode property can be set to specify whether a user can select single row, or multiple rows.

How to: Group, sort, and filter data in the DataGrid control

The information about the rows that are selected can be retrieved using SfDataGrid. SelectedItems properties. The selection operations can be handled with the help of SfDataGrid. SelectionChanging and SfDataGrid. SelectionChanged events of SfDataGrid. By default, columns in a SfDataGrid can be sorted by clicking the column header.

SortColumnDescriptions property as below. SortColumnsChanged events. GroupColumnDescriptions property as below. AllowFiltering property to true, where advanced filter UI can be opened by clicking the Filter icon in column header and filter the SfDataGrid. FilterChanged events. Adding new row adds an item to the SfDataGrid. So, raise the events for SfDataGrid. Take a look at our next generation Bold Reporting Tools. Learn more. Demo Support Forum Download '.

To get start quickly with WinForms DataGrid, you can check on this video: Assembly Deployment Refer control dependencies section to get the list of assemblies or NuGet package needs to be added as reference to use the SfDataGrid control in any application. Adding Control via Designer SfDataGrid control can be added to the application by dragging it from Toolbox and dropping it in Designer. Adding Control in Code In order to add control manually, do the below steps, 1 Add the required assembly references to the project 2 Create the SfDataGrid control instance and add it to the Form c vb using Syncfusion.

Point 85; sfDataGrid1. Size; this.It is often useful to view data in a DataGrid in different ways by grouping, sorting, and filtering the data. To group, sort, and filter the data in a DataGridyou bind it to a CollectionView that supports these functions.

Row Grouping

You can then work with the data in the CollectionView without affecting the underlying source data. The changes in the collection view are reflected in the DataGrid user interface UI.

The CollectionView class provides grouping and sorting functionality for a data source that implements the IEnumerable interface. In this example, a collection of Task objects is bound to a CollectionViewSource. Grouped data in a DataGrid. To group, sort, and filter data in a DataGrid control, you bind the DataGrid to a CollectionView that supports these functions. Create a data collection that implements the IEnumerable interface.

This enables you to data bind to the collection in XAML. The objects in the collection must implement the INotifyPropertyChanged changed interface and the IEditableObject interface in order for the DataGrid to respond correctly to property changes and edits.

For more information, see Implement Property Change Notification. To specify how items are grouped in a DataGridyou use the PropertyGroupDescription type to group the items in the source view. Create a PropertyGroupDescription that specifies the property to group by. You can specify the property in XAML or in code. GroupDescriptions collection. Add additional instances of PropertyGroupDescription to the GroupDescriptions collection to add more levels of grouping.

To remove all groups, call the Clear method of the GroupDescriptions collection. When items are grouped in the DataGridyou can define a GroupStyle that specifies the appearance of each group. If you have multiple levels of grouping, you can apply different styles to each group level. Styles are applied in the order in which they are defined. For example, if you define two styles, the first will be applied to top level row groups.

Grouping in Xamarin DataGrid (SfDataGrid)

The second style will be applied to all row groups at the second level and lower. Create a GroupStyle that defines the appearance of the row group. To specify how items are sorted in a DataGridyou use the SortDescription type to sort the items in the source view. Create a SortDescription that specifies the property to sort by.

In code, pass the name of the property to sort by and the ListSortDirection to the constructor.It is often useful to view data in a DataGrid in different ways by grouping, sorting, and filtering the data. You can then manipulate the data in the backing data source using LINQ queries without affecting the underlying data. The changes in the collection view are reflected in the DataGrid user interface UI.

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The following walk-throughs demonstrate how to implement grouping, sorting and filtering for the DataGrid control through examples. See DataGrid Sample for the complete sample code and running app.

The DataGrid control has built-in row group header visuals for one-level grouping. You can set the DataGrid. ItemsSource to a grouped collection through CollectionViewSource with IsSourceGrouped property set to True and the DataGrid will automatically show the contents grouped under row group headers based on the data source.

The following walk-through shows how to implement and customize grouping in the DataGrid control. Users can sort columns in the DataGrid control by tapping on the desired column headers.

To implement sorting, the DataGrid control exposes the following mechanisms:. The DataGrid control does not support any built-in filtering capabilities. The following walk-through shows how you can implement your own filtering visuals and apply it to the DataGrid's content. For the complete example of all the capabilities in this section in a running application, see DataGrid Sample. You may also leave feedback directly on GitHub. Skip to main content. Exit focus mode.

Grouping The DataGrid control has built-in row group header visuals for one-level grouping. GroupName; foreach var item in g. GroupItems[0] as Mountain; e. Sorting Users can sort columns in the DataGrid control by tapping on the desired column headers.

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To implement sorting, the DataGrid control exposes the following mechanisms: You can indicate columns are sortable in 2 ways. Alternatively, you can also set CanUserSort property on individual DataGridColumns to control which columns are sortable by the end user.

The default values for both properties is True. If both properties are set, any value of False will take precedence over a value of True. You can indicate the sort direction of a column by setting DataGridColumn.

sfdatagrid grouping

The default value for SortDirection property is null unsorted. If DataGridColumn. SortDirection property is set to Ascendingan ascending sort icon upward facing arrow will be shown to the right of the column header indicating that the specific column has been sorted in the ascending order. The reverse is true for Descending. When the value is nullno icon will be shown. Note: the DataGrid control does not automatically perform a sort when this property is set.

The property is merely a tool for showing the correct built-in icon visual. If DataGrid. CanUserSort properties are both true, DataGrid.


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