请在此处找到更多所需的内容:
可编辑的嵌套GridView(多合一) [

Please find more than what you need here:
Editable Nested GridView (All-in-One)[^]

You can see the codebase of how your requirement was done in it.

您可以使用网格视图的find控件属性..

例如textbox text =(textbox)(gridview1.findcontrol(txctbox2).text.tostring());

you can use the find control property of the grid view..

like textbox text=(textbox)(gridview1.findcontrol(txctbox2).text.tostring());