DataGridViewCheckBoxCell

Namespace: Wisej.Web

Assembly: Wisej.Framework (4.1.0.0)

• DataGridViewElement
  • DataGridViewCell
    • DataGridViewCheckBoxCell

Displays a CheckBox icon (not the actual control) in a DataGridViewCell cell.

C#

public class DataGridViewCheckBoxCell : DataGridViewCell

VB.NET

Public Class DataGridViewCheckBoxCell
    Inherits DataGridViewCell

Constructors

DataGridViewCheckBoxCell()

Initializes a new instance of DataGridViewCheckBoxCell.

Properties

FalseValue

Object: Gets or sets the value that corresponds to false, which appears as an unchecked box. (Default: null)

FormattedValueType

Type: Returns the type of the formatted value associated with the cell.

IndeterminateValue

Object: Gets or sets the value that corresponds to indeterminate, which appears as an indeterminate box. (Default: null)

ThreeState

Boolean: Returns or sets a value indicating if the checkbox cell supports three states. (Default: False)

TrueValue

Object: Gets or sets the value that corresponds to true, which appears as checked box. (Default: null)

ValueType

Type: Returns or sets the data type of the values in the cell.

Methods

GetCellDataValue(cellStyle, includeVisualProperties)

Returns the data value of the cell. This is the value that is returned to the client in the data response stream.

Parameter	Type	Description
cellStyle	DataGridViewCellStyle	The cell style in effect for the current cell, used to format the cell's value for the client rendering.
includeVisualProperties	Boolean	true to include inherited visual properties; otherwise, false to include only formatting properties.

Returns: Object.

GetFormattedValue(value, cellStyle, valueTypeConverter, formattedTypeConverter)

Returns the value of the cell formatted for the client.

Parameter	Type	Description
value	Object	The value to be formatted.
cellStyle	DataGridViewCellStyle	The DataGridViewCellStyle in for the cell.
valueTypeConverter	TypeConverter	A TypeConverter providing custom conversion from the formatted type to the value type, or null if no custom conversion is required.
formattedTypeConverter	TypeConverter	A TypeConverter providing custom conversion from the value type to the formatted type, or null if no custom conversion is required.

Returns: Object. The value of the cell or null if the cell does not belong to a DataGridView control.

Throws:

• Exception Formatting failed and there is no handler for the DataError event of the DataGridView or the handler set the ThrowException property to true.

OnClick(e)

Raised when the user clicks on a cell. The DataGridCheckBoxCell class processes this event to determine the location of click and toggles the checkbox accordingly.

Parameter	Type	Description
e	DataGridViewCellEventArgs	A DataGridViewCellEventArgs that contains the event data.

OnKeyDown(e)

Raised when the user presses a key on the keyboard while the focus is on the table and not in edit mode.

Parameter	Type	Description
e	KeyEventArgs

ParseFormattedValue(value, cellStyle, formattedTypeConverter, valueTypeConverter)

Converts a value to the actual cell value.

Parameter	Type	Description
value	Object	The display value of the cell.
cellStyle	DataGridViewCellStyle	The DataGridViewCellStyle in effect for the cell.
formattedTypeConverter	TypeConverter	A TypeConverter for the display value type, or null to use the default converter.
valueTypeConverter	TypeConverter	A TypeConverter for the cell value type, or null to use the default converter.

Returns: Object. The cell value.

Throws:

• ArgumentNullException cellStyle is null.
• FormatException The FormattedValueType property value is null or the ValueType property value is null or value cannot be converted.
• ArgumentException value is null or the type of value does not match the type indicated by the FormattedValueType property.

Implements

Name	Description
IUserData	Provides access to the UserData and Tag properties associated to the component implementing this interface.
ICommandSource	Defines an object that can invoke a Command.