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View this topic on docs.devexpress.com (Learn more)

GridView.CustomRowCellEdit Event

Allows you to assign custom in-place editors to individual cells.

Namespace:DevExpress.XtraGrid.Views.Grid
Assembly:DevExpress.XtraGrid.v19.2.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type CustomRowCellEditEventArgs containing data related to this event.

The following CustomRowCellEditEventArgs properties provide information specific to this event.
Property Description
CellValue Returns the currently processed cell value.
Column Gets the column to which the currently processed cell corresponds.
RepositoryItem Gets or sets the editor used to edit the currently processed cell.
RowHandle Gets the handle of the row that contains the processed cell.

Expanded Remarks

To use the same data editor for all cells in a column, assign the required editor to the GridColumn.ColumnEdit property.

If you need a different in-place editor for an individual cell, handle the CustomRowCellEdit event and assign the required RepositoryItem descendant to the CustomRowCellEditEventArgs.RepositoryItem property.

Expanded Example

The following code from the Assign in-place editors dynamically Demo Center module assigns either a SpinEdit or a CalcEdit editor to cells under the "Length" column. The actual editor type depends on whether a check box in the "Mark" column is checked.

Expanded Use Separate Data Editors to Display and Edit Values

The custom editor you specify on the CustomRowCellEdit event will be used to both display and edit cell data. Handle the CustomRowCellEditForEditing event to use two separate editors for these tasks.

The code below illustrates how to assign a ProgressBarControl editor to the "Length" column cells. Since a Progress Bar Control has no built-in means to edit data, users will be unable to change these cell values. To fix this issue, the CustomRowCellEditForEditing event replaces the Progress Bar Control with a Spin Edit when a user focuses a cell.

Editors you assign on the CustomRowCellEditForEditing event are also used within Edit Forms.

Expanded Special notes

  • If you check whether or not a Grid row is focused before you assign a custom editor to a cell, this cell may use your custom editor only to display data. In the animation below, when a user clicks "Length" cells to edit their values, the cell invokes default Text Edit editors. Custom Spin Edit editors appear only when a user first selects another cell, then moves focus to a "Length" cell.

    To avoid such issues, handle the CustomRowCellEditForEditing event in addition to the CustomRowCellEdit event.

  • The CustomRowCellEdit event fires whenever a cell is updated. For that reason, this event fires relatively frequently. Do not update the Grid's visual elements or implement complex logic for your CustomRowCellEdit event handler as it can severely impact application performance.

  • The CustomRowCellEdit event is designed solely for the described scenario: to provide ready-to-use editors to individual data cells. Do not modify properties of any existing Repository Items (including "e.RepositoryItem" objects) in this event. Create and\or customize required editors beforehand.

Expanded See Also

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