由于缺少代码，我不得不做出假设：获取数据、数据是什么样的、约会如何添加到表中。
我做了两件事来解决这个问题。1 - 我切换了循环的顺序，而不是循环遍历每个房间一段时间，而是循环遍历一个房间的所有时间跨度，然后再移动到下一个房间。2 - 由于更改 #1，我能够将时间跨度计数器增加需要删除的单元格数量（不推荐）
默认.aspx.cs
public partial class _Default : Page
{
//Used to store generated data.
List<Room> Rooms = new List<Room>();
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
//To simulate the datasource
GenerateData();
//Generate the output
GenerateTable();
}
}
private void GenerateData()
{
//Generate Rooms
foreach (var roomNumber in Enumerable.Range(7, 4))
{
var newRoom = new Room();
newRoom.RoomID = roomNumber;
newRoom.Roomname = "Room " + roomNumber.ToString();
//Generate 40 15-minute time slot appointments for each room
for (var count = 0; count < 40; ++count)
{
var newAppointment = new Appointment();
newAppointment.Id = (roomNumber * 40) + count;
newAppointment.Name = " ";
newAppointment.NumberOfTimeSlots = 1;
newRoom.Appointments.Add(newAppointment);
}
Rooms.Add(newRoom);
}
Rooms[0].Appointments[0].Name = "John";
Rooms[0].Appointments[0].NumberOfTimeSlots = 1;
Rooms[0].Appointments[2].Name = "John";
Rooms[0].Appointments[2].NumberOfTimeSlots = 3;
Rooms[1].Appointments[14].Name = "calc";
Rooms[1].Appointments[14].NumberOfTimeSlots = 3;
//More can be added
}
private void GenerateTable()
{
//Moved outside of the loop since it is globally setting the table and does not need to run for each row.
tableAppointment.Style.Add("table-layout", "fixed");
/**********************************************************************************************
* Major change 1:
* I flipped the order of the loops, I changed it from row->column to column->row.
* What this allows you to do is skip the step of adding additional rows for the current room
* by increment the row counter (not a good practice, need to refactor code).
**********************************************************************************************/
//You had: foreach(DataRow dr in dataTableAcqModality.Rows) {
//I am assuming that this is a list of rooms to display
foreach (var dr in Rooms)
{
for (int i = 0; i < tableAppointment.Rows.Count; ++i)
{
var cell = new HtmlTableCell();
cell.Style.Add("word-wrap", "break-word");
cell.Attributes.Remove("class");
cell.Attributes.Remove("rowspan");
cell.Style.Remove("display");
tableAppointment.Rows[i].Cells.Add(cell);
if (i == 0) //Indicating the header row
{
cell.Attributes.Add("ID", dr.RoomID.ToString());
cell.InnerHtml = String.Format(
"<span id='{0}'>{1}</span>",
dr.RoomID, dr.Roomname
);
tableAppointment.Rows[0].Attributes.Add("class", "csstextheader");
}
else
{
/***********************************************************************
* Assumption that this is how you are adding the appointments to the
* table, did not see it in your quesiton
***********************************************************************/
//i-1 to offset the header row
cell.InnerHtml = dr.Appointments[i-1].Name;
//NumberOfTimeSlots does not have to be part of the object, you are already doing it one way (not shown)
cell.RowSpan = dr.Appointments[i - 1].NumberOfTimeSlots;
//This is the inportant part, incrementing the row counter for this table by the number of cells you need to be removed becasue of the rowspan.
//NOTE: I do not like the idea of messing with a loop counter, I would try to refactor your code, but since it was not provided this is a temporary fix.
i += dr.Appointments[i - 1].NumberOfTimeSlots - 1;
}
}
}
}
}
public class Room
{
public int RoomID { get; set; }
public string Roomname { get; set; }
public List<Appointment> Appointments { get; set; }
public Room()
{
Appointments = new List<Appointment>();
}
}
public class Appointment
{
public int Id { get; set; }
public string Name { get; set; }
public int NumberOfTimeSlots { get; set; }
}
默认.aspx：
时隙 08:00AM00 15 30 40
<tr><td>09:00AM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>10:00AM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>11:00AM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>12:00PM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>01:00PM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>02:00PM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>03:00PM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>04:00PM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
<tr><td>05:00PM</td><td>00</td></tr>
<tr><td> </td><td>15</td></tr>
<tr><td> </td><td>30</td></tr>
<tr><td> </td><td>40</td></tr>
</tbody>
</table>