How do I convert an Object into an Array?

If I have an instance of type object that I know is really a DataGrid row that was cast into an object when passed to a function, how can I cast that Object to an array, such that each index of this array would correspond to the information in a given column of the row?

@Sathyamoorthi
Can you please explain what this function does? Essentially, what should be contained in the String?
I printed out the string and it seems like I am getting a random row in the Object, as opposed to first or last. Why is that?
UPDATE: I printed out the value of dataGrid0.columns[5].dataField but it just turned out to be the id of the column.

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