Gets or sets a value that indicates the total number of rows that child content spans within a Grid.
<object Grid.RowSpan="integer" .../>
value = object["Grid.RowSpan"]
object["Grid.RowSpan"] = value
A value that represents the number of rows to span, when the object is positioned where Grid.RowSpan is applied as an attached property.
This property is read/write. The default value is 1.
Grid.RowSpan is an attached property.