VB.NET
Dim dt As DataTable = CType(dgv1.DataSource, DataTable)C#
Dim dv As DataView = dt.DefaultView
dv.Sort = "col1, col2 ASC"
dgv1.Columns("col1").HeaderCell.SortGlyphDirection = _
SortOrder.Ascending
dgv1.Columns("col2").HeaderCell.SortGlyphDirection = _
SortOrder.Ascending
DataTable dt = (DataTable)dgv1.DataSource;
DataView dv = dt.DefaultView;
dv.Sort = "col1, col2 ASC";
dgv1.Columns["col1"].HeaderCell.SortGlyphDirection =
SortOrder.Ascending;
dgv1.Columns["col2"].HeaderCell.SortGlyphDirection =
SortOrder.Ascending;