Use the BackColorEdit property to specify the background color of the control's edit box. Use the BackColor property to specify the background color of the control's drop down portion. Use the CellBackColor property to specify the cell's background color. Use the ItemBackColor property to specify the item's background color. The BackColorEdit property has effect only, if the Style property is not DropDownList. If the control is locked, the control panel specifies the background color for read only edit controls.