# DataGridViewComboBoxColumn

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (2.5.0.0)

* [DataGridViewElement](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewelement.md)
  * [DataGridViewBand](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewband.md)
    * [DataGridViewColumn](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcolumn.md)
      * [DataGridViewComboBoxColumn](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcolumn.md)

Represents a [DataGridView](/api/v2.5/wisej.web/lists-and-grids/datagridview.md) column that contains a collection of [DataGridViewComboBoxCell](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcell.md) cells.

{% tabs %}
{% tab title="C#" %}

```csharp
public class DataGridViewComboBoxColumn : DataGridViewColumn
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Class DataGridViewComboBoxColumn
    Inherits DataGridViewColumn
```

{% endtab %}
{% endtabs %}

## Constructors

### ![](/files/-MTRl851gGvQXMvSEG1f)DataGridViewComboBoxColumn()

Initializes a new instance of the [DataGridViewComboBoxColumn](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcolumn.md) class to the default state.

### ![](/files/-MTRl851gGvQXMvSEG1f)DataGridViewComboBoxColumn(cellTemplate)

Initializes a new instance of the [DataGridViewComboBoxColumn](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcolumn.md) class to the default state.

| Name             | Type                                                                                                               | Description                                                                                                                                      |
| ---------------- | ------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------ |
| **cellTemplate** | [DataGridViewComboBoxCell](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcell.md) | An existing [DataGridViewButtonCell](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewbuttoncell.md) to use as a template. |

## Properties

### ![](/files/-MTRl851gGvQXMvSEG1f)AutoCompleteMode

[AutoCompleteMode](/api/v2.5/wisej.web/enumerations/wisej.web.autocompletemode.md): Returns or sets how automatic completion works for the [DataGridViewComboBoxColumn](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcolumn.md).

### ![](/files/-MTRl851gGvQXMvSEG1f)CellTemplate

[DataGridViewCell](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcell.md): Returns or sets the template used to model cell appearance.

**Throws:**

* [InvalidOperationException](https://docs.microsoft.com/en-us/dotnet/api/system.invalidoperationexception) The type is null.
* [InvalidCastException](https://docs.microsoft.com/en-us/dotnet/api/system.invalidcastexception) The set type is not compatible with type [DataGridViewComboBoxCell](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcell.md).

### ![](/files/-MTRl851gGvQXMvSEG1f)CharacterCasing

[CharacterCasing](/api/v2.5/wisej.web/editors/wisej.web.charactercasing.md): Returns or sets whether the cell editor modifies the case of characters as they are typed.

### ![](/files/-MTRl851gGvQXMvSEG1f)DataSource

[Object](https://docs.microsoft.com/en-us/dotnet/api/system.object): Returns or sets the data source that populates the selections for the combo boxes.

### ![](/files/-MTRl851gGvQXMvSEG1f)DisplayMember

[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Returns or sets the name of the property or column from which to retrieve the text to display in the combo box cell.

### ![](/files/-MTRl851gGvQXMvSEG1f)DropDownStyle

[ComboBoxStyle](/api/v2.5/wisej.web/enumerations/wisej.web.comboboxstyle.md): Returns or sets the drop down style of the combo box.

### ![](/files/-MTRl851gGvQXMvSEG1f)IconMember

[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Returns or sets the name of the property or column from which to get the icon to use in the drop-down list.

### ![](/files/-MTRl851gGvQXMvSEG1f)IncrementalSelection

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Returns or sets whether items are selected incrementally as the user types within a timeout of 1 second.

### ![](/files/-MTRl851gGvQXMvSEG1f)Items

[ObjectCollection](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcolumn.md): Returns the collection of the items contained in this [DataGridViewComboBoxColumn](/api/v2.5/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcomboboxcolumn.md).

**Throws:**

* [InvalidOperationException](https://docs.microsoft.com/en-us/dotnet/api/system.invalidoperationexception) The value of the [CellTemplate](#celltemplate) property is null.

### ![](/files/-MTRl851gGvQXMvSEG1f)LazyLoading

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Enables or disables lazy loading mode for the [ComboBox](/api/v2.5/wisej.web/lists-and-grids/wisej.web.combobox.md) cell editor control.

### ![](/files/-MTRl851gGvQXMvSEG1f)MaxInputLength

[Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32): Returns or sets the maximum number of characters that can be entered into the editable part of the combo box control.

**Throws:**

* [InvalidOperationException](https://docs.microsoft.com/en-us/dotnet/api/system.invalidoperationexception) The value of the [CellTemplate](#celltemplate) property is null.

### ![](/files/-MTRl851gGvQXMvSEG1f)Sorted

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Returns or sets if the items in the combo box editor are automatically sorted.

**Throws:**

* [ArgumentException](https://docs.microsoft.com/en-us/dotnet/api/system.argumentexception) An attempt was made to sort a cell that is attached to a data source.

### ![](/files/-MTRl851gGvQXMvSEG1f)Tools

[ComponentToolCollection](/api/v2.5/wisej.web/editors/wisej.web.componenttoolcollection.md): Returns the instance of [ComponentToolCollection](/api/v2.5/wisej.web/editors/wisej.web.componenttoolcollection.md) associated with this control.

### ![](/files/-MTRl851gGvQXMvSEG1f)ValueMember

[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Returns or sets the name of the property or column from which to get the value that correspond to the selections in the drop-down list.

### ![](/files/-MTRl851gGvQXMvSEG1f)ValueType

[Type](https://docs.microsoft.com/en-us/dotnet/api/system.type): Returns or sets the data type of the values in the column's cells.

### ![](/files/-MTRl851gGvQXMvSEG1f)VirtualScroll

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Enables or disables virtual scrolling mode for the [ComboBox](/api/v2.5/wisej.web/lists-and-grids/wisej.web.combobox.md) cell editor control.

### ![](/files/-MTRl851gGvQXMvSEG1f)Watermark

[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Returns or sets the text to show when the textbox is empty.

## Implements

| Name                                                                                   | Description                                    |
| -------------------------------------------------------------------------------------- | ---------------------------------------------- |
| [IWisejComponent](/api/v2.5/wisej.core/interfaces/wisej.core.iwisejcomponent.md)       | All wisej components implement this interface. |
| [IWisejSerializable](/api/v2.5/wisej.core/interfaces/wisej.core.iwisejserializable.md) | Allows an object to serialize itself.          |


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