GridView中设置跨行

 protected void GridView1_DataBound(object sender, EventArgs e)    {        settingRow(this.GridView1, 0);        settingRow(this.GridView1, 1);        settingRow(this.GridView1, 2);        settingRow(this.GridView1, 3);        settingRow(this.GridView1, 4);    }    public void settingRow(GridView gv,int cellsNum)    {         int i = 0, rowSpanNum = 1;        //循环当前GridView中的所有行        while(i<gv.Rows.Count-1){            //获得一行数据            GridViewRow gvr = gv.Rows[i];            //循环当前GridView中的所有行            for (++i;i<gv.Rows.Count; i++)            {                //获得需要比较的一行数据                GridViewRow gvrNext = gv.Rows[i];                string gvrText = (gvr.Cells[cellsNum].FindControl("lbl"+cellsNum.ToString()) as Label).Text;                string gvrNextText = (gvrNext.Cells[cellsNum].FindControl("lbl"+cellsNum.ToString()) as Label).Text;                //比较，如果相等则合并              //  if (gvr.Cells[cellsNum].Text == gvrNext.Cells[cellsNum].Text)                if(gvrText==gvrNextText)                {                    gvrNext.Cells[cellsNum].Visible = false;                    rowSpanNum++;                }                else                {                    gvr.Cells[cellsNum].RowSpan = rowSpanNum;                    rowSpanNum = 1;                    break;                }                //如果相等则合并一整行                if(i==gv.Rows.Count-1){                    gvr.Cells[cellsNum].RowSpan = rowSpanNum;                }            }        }protected void GridView1_DataBound(object sender, EventArgs e) {//要合并的行数int rowSpan = 1;//要int rowIndex = 0;//保存上一个值string code = null;//标签bool check = true;//循环for (int i = 0; i < this.GridView1.Rows.Count; i++) {//取出要比较的值string txt = this.GridView1.Rows[i].Cells[1].Text;//比较值if (code != txt) {//不想等就保存下来code = txt;//值是否相等if (check) {rowIndex = i;}else {//重新把标签设置为falsecheck = true;//设置要快的行this.GridView1.Rows[rowIndex].Cells[1].RowSpan = rowSpan;//把行数设置默认值rowSpan = 1;}}else {//值相等就设置标签truecheck = false;//把当前单元格隐长this.GridView1.Rows[i].Cells[1].Visible = false;//跨几行rowSpan++;//判断是否是最后一行if (i + 1 == this.GridView1.Rows.Count) {this.GridView1.Rows[rowIndex].Cells[1].RowSpan = rowSpan;}}}}