getting details of the records in a grid in ms crm 2011, by passing from ribbon xml as parameters

the following are few parameters can be passed from the ribbon xml(Action tag) file to JS file to get the values .

SelectedEntityTypeCode : A number representing the unique type of entity for a record selected in a grid. The Entity type code will vary between deployments.
SelectedEntityTypeName : A string representing the unique name of the entity for a record selected in a grid.
FirstSelectedItemId : Provides one GUID identifier as a string for the first item selected in a grid.
SelectedControlSelectedItemCount : The number of selected items in a grid.
SelectedControlSelectedItemIds : A string array of GUID Id values for all selected items in a grid.
SelectedControlAllItemCount : A string array of GUID Id values for all selected items in a grid.
SelectedControlAllItemIds : A string array providing the GUID Id values for all items displayed in a grid.
SelectedControlUnselectedItemCount : The number of unselected items in a grid.
SelectedControlUnselectedItemIds : A string array of GUID Id values for all unselected items in a grid.

hope this will be very helpful.

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