一个Datagrid样式

private void BindGrid()
            {
                QueryOpen qo = new QueryOpen();
                ZDXK.BLL.Scholar bll=new ZDXK.BLL.Scholar();
                DataTable dt = bll.GetList(qo.GetSubjectID()).Tables[0];
                this.DataGrid1.DataSource = dt;
                this.DataGrid1.DataBind();

                int i;
                int j;
                int intspan;
                string temp;
                for(i=0;i<DataGrid1.Items.Count;i++)
                {
                    DataGridItem _item = DataGrid1.Items[i];
                    intspan = 1;
                    temp = DataGrid1.Items[i].Cells[0].Text;
                    for(j=i+1;j<DataGrid1.Items.Count;j++)
                    {
                        if(String.Compare(temp, DataGrid1.Items[j].Cells[0].Text)== 0)
                        {
                            intspan++;
                            DataGrid1.Items[i].Cells[0].RowSpan = intspan;
                            DataGrid1.Items[j].Cells[0].Visible = false;
                        }
                        else
                        {
                            break;
                        }
                    }
                    i=j-1;
                }
            }