datagridview 显示行号、插入多行、删除、插入、清空行

private
void
dgv_BBQ_RowStateChanged(object
sender,
DataGridViewRowStateChangedEventArgs
e)
[align=left]        {[/align]
            e.Row.HeaderCell.Value =
string.Format("{0}",
e.Row.Index + 1);
[align=left]        }[/align]
       
private
void
删除行ToolStripMenuItem_Click(object
sender,
EventArgs
e)
[align=left]        {[/align]
[align=left]            dgv_BBQ.Rows.Remove(dgv_BBQ.SelectedRows[0]);[/align]
[align=left]            dgv_BBQ.Refresh();[/align]
[align=left]        }[/align]
       
private
void
清空ToolStripMenuItem_Click(object
sender,
EventArgs
e)
[align=left]        {[/align]
[align=left]            dgv_BBQ.Rows.Clear();[/align]
[align=left]            dgv_BBQ.Refresh();[/align]
[align=left]        }[/align]
       
private
void
插入行ToolStripMenuItem_Click(object
sender,
EventArgs
e)
[align=left]        {[/align]
            dgv_BBQ.Rows.Insert(dgv_BBQ.CurrentRow.Index,
"");
[align=left]            dgv_BBQ.Refresh();[/align]
[align=left]        }[/align]