GridView跨行

        string logo = "";
        int i = 0;
        int j = 0;
        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            //if(e.Row.RowType==DataControlRowType.Header)
            //{
            //    e.Row.Cells[1].ColumnSpan = 2;
            //    e.Row.Cells[2].Visible = false;
            //    return;
            //}
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                if (i == 0)
                {
                    logo = e.Row.Cells[1].Text;
                    i++;
                }
                else
                {
                    if (logo == e.Row.Cells[1].Text)//如果这一行与上一行的相等
                    {
                        j++;
                    }
                    else
                    {
                        this.GridView1.Rows[i - 1 - j].Cells[1].RowSpan = j + 1;
                        for (int x = j; x > 0; x--)
                        {
                            this.GridView1.Rows[i - x].Cells[1].Visible = false;
                        }

                        j = 0;
                        logo = e.Row.Cells[1].Text;
                    }
                    i++;
                }           

            }
            if (e.Row.RowType == DataControlRowType.Footer)
            {
                this.GridView1.Rows[i - 1 - j].Cells[1].RowSpan = j + 1;
                for (int x = j; x > 0; x--)
                {
                    this.GridView1.Rows[i - x].Cells[1].Visible = false;
                }

                j = 0;
                logo = e.Row.Cells[1].Text;
            }
        }