Sum of column TL and NLA show table footer and addiction (TL + NLA) and average

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<tbody>
                                                               @{int srno2 = 0;}
                                                               @foreach (College.Core.ViewModels.SGPA.ExamsViewModel _Exams in _subject.GetExams())
                                                               {
                                                                   srno2 += 1;
                                                                   <tr>
                                                                       <td>@srno2</td>
                                                                       <td>@_Exams.ExamType</td>
                                                                       <td>@_Exams.ObtainedMark</td>
                                                                       <td>@_Exams.OutOfMarks</td>

                                                                       @if(@_Exams.TotalLectureConducted == null)
                                                                       {
                                                                           <td>0</td>
                                                                       }
                                                                       else
                                                                       {
                                                                           <td>@_Exams.TotalLectureConducted</td>
                                                                       }
                                                                       @if(@_Exams.NoOfLectureAttended == null)
                                                                       {
                                                                           <td>0</td>
                                                                       }
                                                                       else
                                                                       {
                                                                           <td>@_Exams.NoOfLectureAttended</td>
                                                                       }
                                                                       @if(@_Exams.AverageAttendance == null)
                                                                       {
                                                                          <td>0%</td>
                                                                       }
                                                                       else
                                                                       {
                                                                          <td>@_Exams.AverageAttendance%</td>
                                                                       }

                                                                   </tr>
                                                               }
                                                           </tbody>
                                                           <tfoot>

                                                               <tr>
                                                                   <td colspan="4" align="right">Total</td>
                                                                   <td>SUM-TotalLectureConducted</td>
                                                                   <td>SUM-NoOfLectureAttended</td>
                                                                   <td>(SUM-TL/SUM-NLA)*100</td>

                                                               </tr>

                                                           </tfoot>

What I have tried:

NO	Exam 	   Mark	Out	  TL	 NLA	  AV
1	End Tem	   12	60	   5	 5	    100%
2	Internal 1 10	20	   3	 1	    33%
3	internal 2 10	20	   4	 2	    50%
                    Total  12    8	    66%

TL-TotalLectureConducted
NLA-NoOfLectureAttended

I want to this format of result 
please help me

Posted 29-Nov-19 22:55pm

Member 10678871

Updated 3-Dec-19 3:05am

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Comments

Richard MacCutchan 30-Nov-19 6:01am

Look at your desired outpu. From that you can see how many columns are required and what value each should contain. Your table layout just needs to match those requirements, so write it out on paper before creating your actual code.

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Richard Deeming · Answer 1 · 2019-12-03T03:05:00

Sum the values within the loop, and output the totals in the footer.

Obviously you'll need to calculate the total average from the other totals.

Razor

<tbody>
    @{
        int srno2 = 0;
        double tl = 0, nla = 0;
    }
    @foreach (College.Core.ViewModels.SGPA.ExamsViewModel _Exams in _subject.GetExams())
    {
        srno2 += 1;
        tl += _Exams.TotalLectureConducted.GetValueOrDefault();
        nla += _Exams.NoOfLectureAttended.GetValueOrDefault();
        
        <tr>
            <td>@srno2</td>
            <td>@_Exams.ExamType</td>
            <td>@_Exams.ObtainedMark</td>
            <td>@_Exams.OutOfMarks</td>
            <td>@_Exams.TotalLectureConducted.GetValueOrDefault()</td>
            <td>@_Exams.NoOfLectureAttended.GetValueOrDefault()</td>
            <td>@_Exams.AverageAttendance.GetValueOrDefault()%</td>
        </tr>
    }
</tbody>
<tfoot>
    <tr>
        <td colspan="4" align="right">Total</td>
        <td>@tl</td>
        <td>@nla</td>
        
        @if (tl == 0)
        {
            <td>(N/A)</td>    
        }
        else
        {
            double av = nla / tl;
            <td>av.ToString("P")</td>
        }
    </tr>
</tfoot>