Answer / Nuzhat Raza

"IEnumerable is an interface that defines a method (GetEnumerator) for retrieving the elements of a collection one at a time. IEnumerator, on the other hand, is an interface for moving through the elements of a collection using a MoveNext() and Current property."

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how to Create a datagridview control with check box column with 8rows in it, the maximum number of check boxes checked should be 3, when user checks the 4th corresponding message should be displayed and check box should be checked. User can uncheck the checked boxes Note: read-only property should not be used

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