# Multi Columns in Windows Forms ComboBoxAutoComplete(Classic)
We can use multiples columns in the ComboBoxAutoComplete control. In this case, we need to specify which column is to be used as the matching column using the ComboBoxAutoComplete.AutoCompleteControl.Columns properties. Adding multiple columns is discussed [Multiple Columns](/windowsforms/autocomplete/multiple-columns)
We can use multiples columns in the ComboBoxAutoComplete control. In this case, we need to specify which column is to be used as the matching column using the ComboBoxAutoComplete.AutoCompleteControl.Columns properties. Adding multiple columns is discussed [Multiple Columns](https://help.syncfusion.com/windowsforms/classic/autocomplete/multi-columns)
@ -13,7 +13,7 @@ This page explains How to Use PushButton in a Column and Catch the User Clicking
## How to Use PushButton in a Column and Catch the User Clicking it
Set the [CellType](/windowsforms/grid/feature-summary#cell-types) property in column style to "PushButton" and handle grids CellButtonClicked event. Use Description property of the column style to specify the text that is displayed on the button. To access a column's style, use either [GridDataBoundGrid.GridBoundColumns](/windowsforms/databoundgrid/gridboundcolumns-and-controlling-the-column-format) or [GridDataBoundGrid.Binder.InternalColumn](/windowsforms/databoundgrid/gridboundcolumns-and-controlling-the-column-format#using-the-griddataboundgridbinder-class) depending upon whether you have explicitly added the GridBoundColumns or not.
Set the [CellType](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Grid.Grouping.GridTableCellStyleInfo.html#Syncfusion_Windows_Forms_Grid_Grouping_GridTableCellStyleInfo_CellType) property in column style to "PushButton" and handle grids CellButtonClicked event. Use Description property of the column style to specify the text that is displayed on the button. To access a column's style, use either [GridDataBoundGrid.GridBoundColumns](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Grid.GridDataBoundGrid.html#Syncfusion_Windows_Forms_Grid_GridDataBoundGrid_GridBoundColumns) or [GridDataBoundGrid.Binder.InternalColumn](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Grid.GridDataBoundGrid.html#Syncfusion_Windows_Forms_Grid_GridDataBoundGrid_Binder) depending upon whether you have explicitly added the GridBoundColumns or not.
N> Visual styles of the Today and None button can be overridden by [MonthCalendarAdv.TodayButton](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.MonthCalendarAdv.html#Syncfusion_Windows_Forms_Tools_MonthCalendarAdv_TodayButton) and [MonthCalendarAdv.NoneButton](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.MonthCalendarAdv.html#Syncfusion_Windows_Forms_Tools_MonthCalendarAdv_NoneButton) respectively. See [Scroll Buttons](/windowsforms/monthcalendaradv/customizing-sections-of-calendar#scroll-buttons).
N> Visual styles of the Today and None button can be overridden by [MonthCalendarAdv.TodayButton](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.MonthCalendarAdv.html#Syncfusion_Windows_Forms_Tools_MonthCalendarAdv_TodayButton) and [MonthCalendarAdv.NoneButton](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.MonthCalendarAdv.html#Syncfusion_Windows_Forms_Tools_MonthCalendarAdv_NoneButton) respectively. See [Scroll Buttons](https://help.syncfusion.com/windowsforms/classic/month-calendar/customizing-sections-of-calendar#scroll-buttons).
MonthCalendarAdv control can display unique [week numbers](/windowsforms/monthcalendaradv/overview#sections-of-monthcalendaradv-control) for all the weeks in a year. This section discusses the properties which can customize the appearance of the week numbers.
MonthCalendarAdv control can display unique [week numbers](https://help.syncfusion.com/windowsforms/classic/month-calendar/customizing-sections-of-calendar#week-numbers) for all the weeks in a year. This section discusses the properties which can customize the appearance of the week numbers.
### Foreground settings
@ -504,7 +504,7 @@ The MonthCalendarAdv control contains the below buttons.
* Today button and
* None button.
To know about the placement of these buttons in the control, refer [MonthCalendarAdv](/windowsforms/monthcalendaradv/overview) topic. Left and Right scroll buttons at the top of the control can have custom images. See Scroll Buttons for details.
To know about the placement of these buttons in the control, refer [MonthCalendarAdv](https://help.syncfusion.com/windowsforms/classic/month-calendar/overview) topic. Left and Right scroll buttons at the top of the control can have custom images. See Scroll Buttons for details.
Today and None buttons are displayed at the bottom of the calendar and they can be customized to set background image and font styles. This section will discuss the properties which controls the appearance and behavior of the MonthCalendarAdv.
The default scroll button images can be replaced with custom images using the [LeftScrollButtonImage](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.MonthCalendarAdv.html#Syncfusion_Windows_Forms_Tools_MonthCalendarAdv_LeftScrollButtonImage) and [RightScrollButtonImage](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.MonthCalendarAdv.html#Syncfusion_Windows_Forms_Tools_MonthCalendarAdv_RightScrollButtonImage) properties. The properties related to scroll buttons are as follows.
Tooltips can be set using [DateCellQueryInfo event](/windowsforms/monthcalendaradv/event-handling#datecellqueryinfo-event).
Tooltips can be set using [DateCellQueryInfo event](https://help.syncfusion.com/windowsforms/classic/month-calendar/event-handling#datecellqueryinfo-event).
SfDataGrid support to generate the columns based on built-in [Data Annotation Attributes](https://msdn.microsoft.com/en-us/library/system.componentmodel.dataannotations(v=vs.95).aspx). Data Annotations ignored, when the [AutoGenerateColumns](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.SfDataGrid.html#Syncfusion_WinForms_DataGrid_SfDataGrid_AutoGenerateColumns) is set to `false`.
SfDataGrid support to generate the columns based on built-in [Data Annotation Attributes](https://docs.microsoft.com/en-us/previous-versions/windows/silverlight/dotnet-windows-silverlight/cc490428(v=vs.95)). Data Annotations ignored, when the [AutoGenerateColumns](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.SfDataGrid.html#Syncfusion_WinForms_DataGrid_SfDataGrid_AutoGenerateColumns) is set to `false`.
If the data source implements [INotifyCollectionChanged](https://msdn.microsoft.com/en-us/library/System.Collections.Specialized.INotifyCollectionChanged) interface, then SfDataGrid control will automatically refresh the UI when item is added, removed or while list cleared.
When an item is added/removed in [ObservableCollection](https://msdn.microsoft.com/library/ms668604), SfDataGrid automatically refresh the UI as `ObservableCollection` implements `INotifyCollectionChanged`. But when an item is added/removed in [List](https://msdn.microsoft.com/en-us/library/6sh2ey19), SfDataGrid will not refresh the UI automatically.
If the data source implements [INotifyCollectionChanged](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.inotifycollectionchanged?view=net-5.0) interface, then SfDataGrid control will automatically refresh the UI when item is added, removed or while list cleared.
When an item is added/removed in [ObservableCollection](https://docs.microsoft.com/en-us/dotnet/api/system.collections.objectmodel.observablecollection-1?view=net-5.0), SfDataGrid automatically refresh the UI as `ObservableCollection` implements `INotifyCollectionChanged`. But when an item is added/removed in [List](https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.list-1?view=net-5.0), SfDataGrid will not refresh the UI automatically.
## Binding to IEnumerable
SfDataGrid control supports to bind any collection that implements the [IEnumerable](https://msdn.microsoft.com/en-us/library/system.collections.ienumerable) interface. All the data operations such as sorting, grouping, filtering, summaries are supported when binding collection derived from `IEnumerable`.
SfDataGrid control supports to bind any collection that implements the [IEnumerable](https://docs.microsoft.com/en-us/dotnet/api/system.collections.ienumerable?view=net-5.0) interface. All the data operations such as sorting, grouping, filtering, summaries are supported when binding collection derived from `IEnumerable`.
## Binding with DataTable
SfDataGrid control supports to bind the DataTable. SfDataGrid control automatically refresh the UI when binding DataTable as `DataSource` when rows are added, removed or cleared.
@ -47,13 +47,13 @@ Below are the limitations when binding DataTable as `DataSource` to SfDataGrid.
* [SfDataGrid.View.Filter](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.Data.DataTableCollectionViewWrapper.html) is not supported.
* Advanced Filtering does not support Case Sensitive filtering.
* [AddNewRow](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.SfDataGrid.html#Syncfusion_WinForms_DataGrid_SfDataGrid_AddNewRowPosition) is not support when filtering is enabled.
* [GridUnboundColumn.Expression](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.GridUnboundColumn.html#Syncfusion_WinForms_DataGrid_GridUnboundColumn_Expression) is not supported. This can be achieved by using the [DataColumn](https://msdn.microsoft.com/en-us/library/System.Data.DataColumn)of DataTable by setting[DataColumn.Expression](https://msdn.microsoft.com/en-us/library/system.data.datacolumn.expression)property.
* [GridUnboundColumn.Expression](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.GridUnboundColumn.html#Syncfusion_WinForms_DataGrid_GridUnboundColumn_Expression) is not supported. This can be achieved by using the [DataColumn](https://docs.microsoft.com/en-us/dotnet/api/system.data.datacolumn?view=net-5.0)of DataTable by setting[DataColumn.Expression](https://docs.microsoft.com/en-us/dotnet/api/system.data.datacolumn.expression?view=net-5.0)property.
* [SfDataGrid.LiveDataUpdateMode](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.SfDataGrid.html#Syncfusion_WinForms_DataGrid_SfDataGrid_LiveDataUpdateMode) is not supported.
## Binding to XML Data
SfDataGrid can be bound to data from XML files. This can be achieved by using the [DataSet](https://msdn.microsoft.com/en-us/library/system.data.dataset(v=vs.110).aspx) object which provides the necessary methods that is used to read XML data into dataset. After loading the data, the SfDataGrid can be bind to this dataset by setting data binding properties such as `DataSource` and `DataMember` to the dataset and table name respectively. It is also possible to save the changes back to XML file.
SfDataGrid can be bound to data from XML files. This can be achieved by using the [DataSet](https://docs.microsoft.com/en-us/dotnet/api/system.data.dataset?view=net-5.0) object which provides the necessary methods that is used to read XML data into dataset. After loading the data, the SfDataGrid can be bind to this dataset by setting data binding properties such as `DataSource` and `DataMember` to the dataset and table name respectively. It is also possible to save the changes back to XML file.
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@ -263,9 +263,9 @@ The following events are associated with `View`.
* SourceCollectionChanged
#### RecordPropertyChanged
[RecordPropertyChanged](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Data.ICollectionViewAdv.html)event is raised when the DataModel property value is changed, if the DataModel implements the [INotifyPropertyChanged](https://msdn.microsoft.com/en-us/library/system.componentmodel.inotifypropertychanged(v=vs.100).aspx) interface. The event receives with two arguments namely sender that handles the DataModel and[PropertyChangedEventArgs](https://msdn.microsoft.com/en-us/library/system.componentmodel.propertychangedeventargs(v=vs.110).aspx)as object.
[RecordPropertyChanged](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Data.ICollectionViewAdv.html)event is raised when the DataModel property value is changed, if the DataModel implements the [INotifyPropertyChanged](https://docs.microsoft.com/en-us/dotnet/api/system.componentmodel.inotifypropertychanged?view=net-5.0) interface. The event receives with two arguments namely sender that handles the DataModel and[PropertyChangedEventArgs](https://docs.microsoft.com/en-us/dotnet/api/system.componentmodel.propertychangedeventargs?view=net-5.0)as object.
`PropertyChangedEventArgs`has below property,
* [PropertyName](https://msdn.microsoft.com/en-us/library/system.componentmodel.propertychangedeventargs.propertyname) – It denotes the PropertyName of the changed value.
* [PropertyName](https://docs.microsoft.com/en-us/dotnet/api/system.componentmodel.propertychangedeventargs.propertyname?view=net-5.0) – It denotes the PropertyName of the changed value.
#### CollectionChanged
[CollectionChanged](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Data.CollectionViewAdv.html) event is raised whenever that is some change in Records / DisplayElements collection. The event receives two arguments namely sender that handles View object and [NotifyCollectionChangedEventArgs](https://docs.microsoft.com/en-us/dotnet/api/system.componentmodel.propertychangedeventargs?redirectedfrom=MSDN&view=netframework-4.8) as object.
@ -281,17 +281,17 @@ The following events are associated with `View`.
* [OldStartingIndex](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs.oldstartingindex?redirectedfrom=MSDN&view=netframework-4.8#System_Collections_Specialized_NotifyCollectionChangedEventArgs_OldStartingIndex) - It contains the index at which the Action occurred.
#### SourceCollectionChanged
[SourceCollectionChanged](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Data.ICollectionViewAdv.html)event is raised when source collection is changed for example add or remove the collection. The event receives two arguments namely sender that handles [QueryableCollectionViewWrapper](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.Data.QueryableCollectionViewWrapper.html) object and [NotifyCollectionChangedEventArgs](https://msdn.microsoft.com/en-us/library/system.collections.specialized.notifycollectionchangedeventargs(v=vs.110).aspx) as object.
[SourceCollectionChanged](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Data.ICollectionViewAdv.html)event is raised when source collection is changed for example add or remove the collection. The event receives two arguments namely sender that handles [QueryableCollectionViewWrapper](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.Data.QueryableCollectionViewWrapper.html) object and [NotifyCollectionChangedEventArgs](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs?view=net-5.0) as object.
* [Action](https://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&l=EN-US&k=k(System.Collections.Specialized.NotifyCollectionChangedEventArgs.Action)&rd=true)- It contains the current action. (i.e.) Add, Remove, Move, Replace and Reset.
* [Action](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs.action?view=net-5.0)- It contains the current action. (i.e.) Add, Remove, Move, Replace and Reset.
* [NewItems](http://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&l=EN-US&k=k(System.Collections.Specialized.NotifyCollectionChangedEventArgs.NewItems)&rd=true)- It contains the list of new items involved in the change.
* [NewItems](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs.newitems?view=net-5.0)- It contains the list of new items involved in the change.
* [OldItems](http://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&l=EN-US&k=k(System.Collections.Specialized.NotifyCollectionChangedEventArgs.OldItems)&rd=true)- It contains the list of old items affected by the Action.
* [OldItems](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs.olditems?view=net-5.0)- It contains the list of old items affected by the Action.
* [NewStartingIndex](https://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&l=EN-US&k=k(System.Collections.Specialized.NotifyCollectionChangedEventArgs.NewStartingIndex)&rd=true)- It contains the index at which the change occurred.
* [NewStartingIndex](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs.newstartingindex?view=net-5.0)- It contains the index at which the change occurred.
* [OldStartingIndex](https://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&l=EN-US&k=k(System.Collections.Specialized.NotifyCollectionChangedEventArgs.OldStartingIndex)&rd=true)- It contains the index at which the Action occurred.
* [OldStartingIndex](https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs.oldstartingindex?view=net-5.0)- It contains the index at which the Action occurred.
The following is the methods that are associated with `View` which can be used to defer refresh the view.
<table>
@ -326,7 +326,7 @@ N>`View` has properties that already defined in SfDataGrid. It recommended setti
## Binding Data from ADO .NET Entity Framework
SfDataGrid control supports to bind data from ADO.NET Entity Framework. This walk-through describe about binding data from ADO.NET Entity Framework and save back the changes to the database.
### Defining Data Model using Entity Framework 4.0
To create Data Model using Entity Framework in Windows Forms application, follow the below steps.
@ -342,7 +342,7 @@ To create Data Model using Entity Framework in Windows Forms application, follow
5) In the **Choose Your Data Connection**, select **Northwind** database from the drop-down list for data connection. To configure/modify connection, refer: [How to: Create Connections to SQL Server Databases](https://msdn.microsoft.com/en-us/library/s4yys16a.aspx).
5) In the **Choose Your Data Connection**, select **Northwind** database from the drop-down list for data connection. To configure/modify connection, refer: [How to: Create Connections to SQL Server Databases](https://docs.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2008/s4yys16a(v=vs.90)).
@ -430,7 +430,7 @@ SfDataGrid control supports to load the data using ADO.NET. This walk-through, d
### Connecting Application to Databases
To connect SQL database to WinForms application, refer the below MSDN link or follow the below steps,
pipeline