复合表头和合并行的DataGridView-Composite table head and the merger line DataGridView

一个自动生成datagridview表头的链接库MultiHeaderDataGridView.dll的使用实例，该组件可以按你的要求生成多级表头。-An automatic generation of datagridview headers to link library MultiHeaderDataGridView. The use of the DLL examples, this component can accordin