.net 中怎么获得gridview的headtext值

Question

.net 中怎么获得gridview的headtext值?

Answer 1

GridView1.Columns[i].HeadText
  if   ((e.Row.RowType   ==   DataControlRowType.Header))                
 {    foreach   (TableCell   cell   in   e.Row.Cells)                         {              string   sFieldName   =   cell.Text.Trim();  }} 

Answer 2

GridView1.Columns[ColumnIndex].HeaderText

Answer 3

GridView1.Columns[第几列].HeaderText