ridView 合并单元格 合并行

 

/// <summary>
        /// 合并单元格
        /// </summary>
        /// <param name="gv">GridView</param>
        public static void Gridview_RowSpan(System.Web.UI.WebControls.GridView gv)
        {
            //合并单元格
            for (int i = 0; i < gv.Rows.Count - 1; i++)
            {
                int colnum = 1;
                int j;
                for (j = i + 1; j < gv.Rows.Count; j++)
                {
                    if (gv.Rows[i].Cells[0].Text == gv.Rows[j].Cells[0].Text)
                    {
                        colnum++;
                        gv.Rows[i].Cells[0].RowSpan = colnum;
                       gv.Rows[j].Cells[0].Visible = false;
                    }
                    else
                        break;
                }
                i = j - 1;
            }     
        }   

//合并行

foreach (GridViewRow _row in gv.Rows)
            {
                if (_row.Cells[0].Text == _row.Cells[1].Text)
                {
                    _row.Cells[1].ColumnSpan = 2;
                    _row.Cells[1].Text = "aa";
                }
            }