public static string GetCols(string col, string width, int i, DataCollection list, string userId)
        {
            string blockHtmls     = "";
            string colBeginHtml   = "<DIV class=\"col_div\" id=\"col_{0}\" style=\"WIDTH: {1}\">";
            string colEndHtml     = @"<DIV class='drag_div no_drag' id='col_{0}_hidden_div'>
					<DIV id='col_{0}_hidden_div_h'></DIV>
				</DIV></DIV>"                ;
            string BlockBeginHtml = "<DIV class=\"drag_div\" id=\"drag_{0}\" style=\"BORDER-COLOR: {1}; BACKGROUND: #fff;Height:{2}\">";
            //string BlockBeginHtml = "";<DIV id='loadeditorid_{0}' style='WIDTH: 100px'><IMG src='/Modules/WebPart/loading.gif'><SPAN id='loadeditortext_{0}' style='COLOR: #333'></SPAN></DIV>
            //<DIV class='drag_editor' id='drag_editor_{0}' style='DISPLAY: none'></DIV>
            //
            //
            string BlockEndHtml = @"<DIV id='drag_switch_{0}' style='width:100%'> 
						<DIV  id='drag_content_{0}' style='background-color:{2}'>
							<DIV id='loadcontentid_{0}' style='WIDTH: 100px'><IMG src='/Modules/WebPart/loading.gif'><SPAN id='loadcontenttext_{0}' style='COLOR: #333'></SPAN></DIV>
						</DIV>
					</DIV>
				</DIV>
                <SCRIPT>{1}</SCRIPT>";

            blockHtmls += string.Format(colBeginHtml, Convert.ToString(i + 1), width);
            string[] blockIds = col.Split(',');
            //每列的各块class='drag_content'
            foreach (string blockId in blockIds)
            {
                if (blockId != "" && WebPart.Exists <String>(blockId))
                {
                    WebPart bl = WebPart.TryFind(blockId);
                    if (bl == null)
                    {
                        continue;
                    }
                    //读取模版中实例化参数
                    DataElement item = list.GetElement("Id", blockId);
                    if (item != null)
                    {
                        bl.BlockKey         = item.GetAttr("BlockKey");
                        bl.BlockImage       = item.GetAttr("BlockImage");
                        bl.BlockTitle       = item.GetAttr("BlockTitle");
                        bl.BlockType        = item.GetAttr("BlockType");
                        bl.ColorValue       = item.GetAttr("ColorValue");
                        bl.Color            = item.GetAttr("Color");
                        bl.RepeatItemCount  = int.Parse(item.GetAttr("RepeatItemCount"));
                        bl.RepeatItemLength = int.Parse(item.GetAttr("RepeatItemLength"));
                        bl.DelayLoadSecond  = int.Parse(item.GetAttr("DelayLoadSecond"));
                    }
                    blockHtmls += string.Format(BlockBeginHtml, blockId, bl.ColorValue, bl.DefaultHeight);
                    WebPartExt wb = new WebPartExt(bl, userId);
                    blockHtmls += wb.GetHeadHtml();
                    //是否延时加载
                    if (bl.DelayLoadSecond.ToString().Trim() != "0")
                    {
                        blockHtmls += string.Format(BlockEndHtml, blockId, "window.setTimeout(\"loadDragContent('" + blockId + "','" + bl.RepeatItemCount + "')\"," + Convert.ToString(bl.DelayLoadSecond * 1000) + ");" + "\n" + bl.RelateScript, bl.ContentColor);
                    }
                    else
                    {
                        blockHtmls += string.Format(BlockEndHtml, blockId, "loadDragContent('" + blockId + "','" + bl.RepeatItemCount + "');" + "\n" + bl.RelateScript, bl.ContentColor);
                    }
                }
            }
            blockHtmls += string.Format(colEndHtml, Convert.ToString(i + 1));
            return(blockHtmls);
        }