# DataGridViewColumnHeaderCell

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (4.0.0.0)

* [DataGridViewElement](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewelement.md)
  * [DataGridViewCell](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcell.md)
    * [DataGridViewHeaderCell](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewheadercell.md)
      * [DataGridViewColumnHeaderCell](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcolumnheadercell.md)

Represents a column header in a [DataGridView](/api/wisej.web/lists-and-grids/datagridview.md) control.

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

```csharp
public class DataGridViewColumnHeaderCell : DataGridViewHeaderCell
```

{% endtab %}

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

```visual-basic
Public Class DataGridViewColumnHeaderCell
    Inherits DataGridViewHeaderCell
```

{% endtab %}
{% endtabs %}

## Constructors

### ![](/files/hsR4ok3152WyAf8J2C1u) DataGridViewColumnHeaderCell()

Initializes a new instance of [DataGridViewColumnHeaderCell](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcolumnheadercell.md).

## Properties

### ![](/files/hsR4ok3152WyAf8J2C1u) ErrorText

[String](https://docs.microsoft.com/dotnet/api/system.string): This property is not relevant for this class.

### ![](/files/hsR4ok3152WyAf8J2C1u) SortGlyphDirection

[SortOrder](/api/wisej.web/enumerations/wisej.web.sortorder.md): Returns or sets a value indicating which sort glyph is displayed.

**Throws:**

* [InvalidOperationException](https://docs.microsoft.com/dotnet/api/system.invalidoperationexception)\
  When setting this property, the value of either the [OwningColumn](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcell.md#owningcolumn) property or the [DataGridView](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewelement.md#datagridview) property of the cell is null. or When changing the value of this property, the specified value is not [None](/api/wisej.web/enumerations/wisej.web.sortorder.md#fields) and the value of the [SortMode](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcolumn.md#sortmode) property of the owning column is [NotSortable](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcolumnsortmode.md#fields).

## Methods

### ![](/files/lzopMboA31bVq8UIcbT3) GetClipboardContent(rowIndex, firstCell, lastCell, inFirstRow, inLastRow, format)

Returns the formatted value of the cell to copy to the [Clipboard](/api/wisej.web/general/wisej.web.clipboard.md).

| Parameter      | Type                                                            | Description                                                                                                          |
| -------------- | --------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------- |
| **rowIndex**   | [Int32](https://docs.microsoft.com/dotnet/api/system.int32)     | The zero-based index of the row containing the cell.                                                                 |
| **firstCell**  | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | true to indicate that the cell is in the first column of the region defined by the selected cells; otherwise, false. |
| **lastCell**   | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | true to indicate that the cell is the last column of the region defined by the selected cells; otherwise, false.     |
| **inFirstRow** | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | true to indicate that the cell is in the first row of the region defined by the selected cells; otherwise, false.    |
| **inLastRow**  | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | true to indicate that the cell is in the last row of the region defined by the selected cells; otherwise, false.     |
| **format**     | [String](https://docs.microsoft.com/dotnet/api/system.string)   | The current format string of the cell.                                                                               |

**Returns:** [Object](https://docs.microsoft.com/dotnet/api/system.object). An [Object](https://docs.microsoft.com/dotnet/api/system.object) that represents the value of the cell to copy to the [Clipboard](/api/wisej.web/general/wisej.web.clipboard.md).

**Throws:**

* [ArgumentOutOfRangeException](https://docs.microsoft.com/dotnet/api/system.argumentoutofrangeexception)*rowIndex* is less than 0 or greater than or equal to the number of rows in the control.
* [InvalidOperationException](https://docs.microsoft.com/dotnet/api/system.invalidoperationexception)\
  The value of the cell's [DataGridView](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewelement.md#datagridview) property is null.-or-[ColumnIndex](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcell.md#columnindex) is less than 0, indicating that the cell is a row header cell.
* [Exception](https://docs.microsoft.com/dotnet/api/system.exception)\
  Formatting failed and either there is no handler for the [DataError](/api/wisej.web/lists-and-grids/datagridview.md#dataerror) event of the [DataGridView](/api/wisej.web/lists-and-grids/datagridview.md) control or the handler set the [ThrowException](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewdataerroreventargs.md#throwexception) property to true. The exception object can typically be cast to type [FormatException](https://docs.microsoft.com/dotnet/api/system.formatexception).

### ![](/files/lzopMboA31bVq8UIcbT3) GetErrorText()

This method is not relevant for this class.

**Returns:** [String](https://docs.microsoft.com/dotnet/api/system.string).

### ![](/files/hsR4ok3152WyAf8J2C1u) GetInheritedStyle(includeVisualProperties)

Returns the style applied to the column header cell.

| Parameter                   | Type                                                            | Description                                                                                          |
| --------------------------- | --------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| **includeVisualProperties** | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | true to include inherited visual properties; otherwise, false to include only formatting properties. |

**Returns:** [DataGridViewCellStyle](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcellstyle.md). A [DataGridViewCellStyle](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcellstyle.md) that includes the style of the column header cell and the style inherited from the [DataGridView](/api/wisej.web/lists-and-grids/datagridview.md).

**Throws:**

* [InvalidOperationException](https://docs.microsoft.com/dotnet/api/system.invalidoperationexception)\
  The cell has no associated [DataGridView](/api/wisej.web/lists-and-grids/datagridview.md).

### ![](/files/lzopMboA31bVq8UIcbT3) GetValue()

Returns the value of the cell.

**Returns:** [Object](https://docs.microsoft.com/dotnet/api/system.object). The value contained in the [DataGridViewColumnHeaderCell](/api/wisej.web/lists-and-grids/datagridview/wisej.web.datagridviewcolumnheadercell.md).

### ![](/files/hsR4ok3152WyAf8J2C1u) Render(data, styles, errors, tooltips)

Renders the cell's value and style.

| Parameter    | Type                                                          | Description                                                     |
| ------------ | ------------------------------------------------------------- | --------------------------------------------------------------- |
| **data**     | [Object](https://docs.microsoft.com/dotnet/api/system.object) | The data collection to render the cell's value into.            |
| **styles**   | [Object](https://docs.microsoft.com/dotnet/api/system.object) | The styles collection to render the cell's styles into.         |
| **errors**   | [Object](https://docs.microsoft.com/dotnet/api/system.object) | The errors collection to render the cell's error text into.     |
| **tooltips** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | The tooltips collection to render the cell's tooltip text into. |

### ![](/files/lzopMboA31bVq8UIcbT3) SetValue(value)

Sets the value of the cell.

| Parameter | Type                                                          | Description            |
| --------- | ------------------------------------------------------------- | ---------------------- |
| **value** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | The cell value to set. |

**Returns:** [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean). true if the value has been set; otherwise, false.

## Implements

| Name                                                                    | Description                                                                                                     |
| ----------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------- |
| [IUserData](/api/wisej.web/interfaces/wisej.web.iuserdata.md)           | Provides access to the `UserData` and `Tag` properties associated to the component implementing this interface. |
| [ICommandSource](/api/wisej.web/interfaces/wisej.web.icommandsource.md) | Defines an object that can invoke a [Command](/api/wisej.web/interfaces/wisej.web.icommandsource.md#command).   |


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