前台：
<asp:BoundField DataField="Integral" HeaderText="积分" />
后台：
dr["CompanyName"] += dt.Rows[j]["CompanyName"].ToString() + "\n";
代码
protected void SPGridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Cells[1].Text = KeepPre(e.Row.Cells[1].Text);
}
}