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  • Category: ASP.Net MVC

    How to map index using jquery to repair indexes when remove

    Problem
    when remove any course from table list html his position in center or first it make problem

    in index in database

    Details

    IF I have list of courses as following :

    Delphi

    Flash

    Photoshop

    IF I remove flash by JQUERY remove button then click save button

    it delete flash and Photoshop

    because there are wrong in delete courses by using remove function in jquery

    if i remove php it is working without any problem because it is last item

    suggestion

    using map function when remove but how to do that

    if there are any solution for that without using map no problem

    i use model as following

    public class Cusomemp2

    {

    public List<EmployeeCourse> empcourses { get; set; }



    }

    }

    i use for edit httppost

    var result = db.Employees

    .Where(p => p.Id == custom.Id)

    .Include(c => c.EmployeeCourses)

    .FirstOrDefault();

    if (custom.empcourses.Any())

    {

    foreach (var ec in result.EmployeeCourses.ToList())//to remove existing EmployeeCourses

    {

    db.EmployeeCourses.Remove(ec);

    db.SaveChanges();



    }

    }



    result.EmployeeCourses = custom.empcourses;

    db.SaveChanges();


    in model view my code as following by jquery

    actually i need to modify code below using map function if there are any function do that never mind
    $(function () {

    //add courses using drop down

    var index = 0;

    $("#CourseId").change(function () {



    var id = $(this).val();

    var txt = $("#CourseId option:selected").text();



    $("#tb").append("<tr><td><input type = 'hidden' name='empcourses[" + index + "].CourseId' value='" + id + "'/></td><td>" + txt + "</td><td><input type='button' value='remove' class='r'</td></tr>")



    index++;



    });

    $("#tb").on("click", ".r", function () {

    // remove function

    $(this).parent().parent().remove();



    $(this).parent().prev().prev().remove();

    });



    // retrieve data in edit view using ajax

    $.ajax({

    url: "/Employee/getcoursesbyempid",

    data:{x:$("#hid").val()},

    success: function (res) {

    $.each(res, function (i, e) {



    $("#tb").append("<tr><td><input type = 'hidden' name='empcourses[" + index + "].CourseId' value='" + e.Id + "'/></td><td>" + e.CourseName + "</td><td><input type='button' value='remove' class='r'</td></tr>")



    index++;

    });

    }



    })

    });

    to see what i need found in this image
    http://www.mediafire.com/view/lnuwcig5dxu6ctv/wrong_index.jpg
  • #767853
    i attach image to understand what i need

    Delete Attachment


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