Gets a value that indicates whether the cell can be put in edit mode.
Assembly: PresentationFramework (in PresentationFramework.dll)
Set the property to true to make an individual cell read-only. Set the DataGridColumn.IsReadOnly property to true to make all cells in an individual column read-only. Set the DataGrid.IsReadOnly property to true to make all cells in the DataGrid read-only If there is a conflict between the settings at the DataGrid, column, and cell levels, a value of true takes precedence over a value of false.