Repeater后台合并单元格问题

[cainiao66]

前台绑定代码

<table width="100%" border="0" align="center" cellpadding="3" cellspacing="1" bgcolor="#bed6e0" id="repeaterTable">
        <cc1:HHRepeater ID="repXmxx" runat="server">
            <HeaderTemplate>
                <tr>
                    <td nowrap class="number" style="width: 10%" height="25" align="center">
                        <cc1:HHRepeaterHead ID="HHRepeaterHead4" AllowSort="true" SortExpression="CName"
                            Text="绑定列头" runat="server"></cc1:HHRepeaterHead>
                    </td>
                    
                </tr>
            </HeaderTemplate>
            <ItemTemplate>
                <tr class="whitetd" height="24" id='<%#Eval("itemcode") %>' >
                    <td align="center">
                        <asp:Literal ID="litCompany" runat="server"></asp:Literal>
                    </td>
                </tr>
            </ItemTemplate>
            <FooterTemplate>
            </FooterTemplate>
        </cc1:HHRepeater>
        <asp:HiddenField ID="SelectRowId" runat="server" />
    </table>

这个repeater自己写了一个方法想进行合并单元格

public class HHRepeater : Repeater
{
        #region 合并单元格
        private int[] mergecolumn = null;
        
        /// <summary>
        /// 需要合并列的索引
        /// </summary>
        public int[] MergeColumn
        {
            get { return mergecolumn; }
            set { mergecolumn = value; }
        }


        private string[] mergeColContorlName = null;
        /// <summary>
        /// 需要合并列的控件名称(模板列)
        /// </summary>
        public string[] MergeColContorlName
        {
            get { return mergeColContorlName; }
            set { mergeColContorlName = value; }
        }

        /// <summary>
        /// 绑定数据源后分组合并
        /// </summary>
        public void DataBindAndGroup()
        {
            this.DataBind();
            if (mergecolumn != null)
                GroupRows(mergecolumn);
        }

        /// <summary>
        /// 合并GridView列中相同的行(Add By Caochen)
        /// </summary>
        /// <param name="MergeColumn">需要合并列的字符串(1,2,3)</param>
        private void GroupRows(int[] MergeColumn)
        {
            int i = 0, rowSpanNum = 1;

            for (++i; i < this.Items.Count; i++)
            {
                RepeaterItem rItem = this.Items[i-1];
                RepeaterItem rItemPrevious = this.Items[i];

                for (int col = 0; col < MergeColumn.Length; col++)
                {
                    if (!string.IsNullOrEmpty(mergeColContorlName[col]))
                    {
                        ITextControl control = rItem.FindControl(mergeColContorlName[col]) as ITextControl;
                        ITextControl controlPrevious = rItemPrevious.FindControl(mergeColContorlName[col]) as ITextControl;

                        if (control != null && controlPrevious != null)
                        {
                            if (control.Text.Trim() == controlPrevious.Text.Trim())
                            {
                                HtmlTableCell oCell = rItem.FindControl(mergeColContorlName[col]) as HtmlTableCell;
                                HtmlTableCell oCellPrevious = rItemPrevious.FindControl(mergeColContorlName[col]) as HtmlTableCell;//这里一直都是null，想找到页面的table，请高手指点方法

                                if (oCellPrevious != null && oCell != null)
                                {
                                    oCell.RowSpan = (oCell.RowSpan == -1) ? 1 : oCell.RowSpan;
                                    oCellPrevious.RowSpan = (oCellPrevious.RowSpan == -1) ? 1 : oCellPrevious.RowSpan;

                                    if (oCell.InnerText == oCellPrevious.InnerText)
                                    {
                                        oCell.Visible = false;
                                        oCellPrevious.RowSpan += oCell.RowSpan;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        #endregion
}

老大要求用后台，前台不用说了，GridView我也会，悲催。。。。。。。。

[孟子E章]

C# code不是在后台的吗？

[cainiao66]

[Quote=引用 1 楼 net_lover 的回复:]

C# code不是在后台的吗？
[/Quote]

HtmlTableCell oCell = rItem.FindControl(mergeColContorlName[col]) as HtmlTableCell;
                                HtmlTableCell oCellPrevious = rItemPrevious.FindControl(mergeColContorlName[col]) as HtmlTableCell;//这里一直都是null，想找到页面的table，请高手指点方法

                                if (oCellPrevious != null && oCell != null)
                                {
                                    oCell.RowSpan = (oCell.RowSpan == -1) ? 1 : oCell.RowSpan;
                                    oCellPrevious.RowSpan = (oCellPrevious.RowSpan == -1) ? 1 : oCellPrevious.RowSpan;

                                    if (oCell.InnerText == oCellPrevious.InnerText)
                                    {
                                        oCell.Visible = false;
                                        oCellPrevious.RowSpan += oCell.RowSpan;
                                    }
                                }

这个代码是有问题的，一直找不到前台的td

[孟子E章]

你前台的td都是html标签，后台是无法找到的，至少你应该加上
runat=server才能在后台找到啊

[cainiao66]

[Quote=引用 3 楼 net_lover 的回复:]
你前台的td都是html标签，后台是无法找到的，至少你应该加上
runat=server才能在后台找到啊
[/Quote]
有其他方法吗，那个要绑定id的话，估计就谈不上什么重用性了

[jxj0115]

在后台写html来合并允许不

[孟子E章]

Repeater不像GridView那样，在后台可以直接访问单元格，Repeater生成什么，完全是靠Teplate来定义的，后台很难得到，你可以在Repeater里面，只定义容器如PlaceHolder控件，Literal控件等，后台进行合并好的单元格直接填充到容器里面，如

[cainiao66]

嗯，看来只能采用5、6楼的意见了