C# how to display DataGridView column header into textbox?

Question

当我在DataGridView中选择特定的单元格时，如何在文本框中显示列标题？

Answer 1

Try this:

int idx = this.dataGridView1.SelectedCells[0].ColumnIndex;
this.textBox1.Text = this.dataGridView1.Columns[idx].HeaderText;