How do I find the size of a 2D array? [duplicate]

Answer 1

Use Array.Rank to get number of dimensions and then use Array.GetLength(int dimension) to get the length of a specific dimension.

Answer 2

You want the GetLength() method of your array:

a.GetLength(0);

http://msdn.microsoft.com/en-us/library/system.array.getlength.aspx

Answer 3

Use System.Array.GetLength(int dimension).