我正在编辑数据以编辑gr_register
表,但是该表不起作用。
我遇到以下错误:
找不到带有参数'('',)'的'editgr'的反向。尝试了1种模式:
['students/editgr/\\(\\?P(?P<pk>[^/]+)\\\\d\\+\\)$']
views.py
def viewdata(request):
gr = gr_register.objects.all()
search_term = ''
if 'search' in request.GET:
search_term = request.GET['search']
gr = gr.filter(first_name__icontains=search_term)
context = {'gr': gr, 'search_term': search_term}
return render(request, 'students/viewdata.html', context)
def addgrregister(request):
form = gr_registerForm(request.POST or None)
if request.method == 'POST':
if form.is_valid():
form.save()
return redirect('home')
return render(request, 'students/addgrregister.html', {'form': form})
def edit_gr(request, pk):
grno = get_object_or_404(gr_register, pk=pk)
form = gr_registerForm(request.POST or None, instance=grno)
if request.method == "POST":
if form.is_valid():
form.save()
return redirect('home')
else:
form = gr_registerForm(instance=grno)
return render(request, 'students/editgr.html', {'form': form})
editgr.html
{% extends 'authenticate/base.html' %}
{% block body %}
<div class="container">
<form method="POST">
<br/>
{% csrf_token %}
<h4>Editing Gr</h4>
<hr/>
{% for field in form %}
<div class="form-group row">
<label for="id_{{ field.name }}" class="col-2 col-form-label">{{ field.label }}</label>
<div class="col-10">
{{ field }}
{{ field.errors }}
</div>
</div>
{% endfor %}
<button type="submit" class="btn btn-primary" name="button">Edit GR-Table</button>
</form>
</div>
{% endblock %}
urls.py
path('editgr/(?P<pk>\d+)', views.edit_gr, name='editgr'),
viewdata.html
<div class="container">
<h2 class="text-center" style="font-family:sans-serif;">GR-Record</h2>
<hr/>
<div class="addgr text-right" style="margin-bottom: -50px;">
<button class="btn btn-dark" type="submit"><a href="{% url 'addgrregister' %}">Add-GR Register</a></button>
</div>
<form class="form-inline my-2 my-lg-2">
<input
class="form-control mr-sm-2"
type="search"
placeholder="Search"
aria-label="Search"
name="search"
value="{{search_term}}">
<button class="btn btn-outline-dark my-2 my-sm-0" type="submit">Search</button>
</form>
<br/>
<div class="table-responsive ">
<table class="table table-hover table-dark table-bordered table-sm">
<caption>List of GR-students</caption>
<thead>
<tr>
<th>GR No</th>
<th>First Name</th>
<th>Last Name</th>
<th>Date Of Birth</th>
<th>Class Of Admission</th>
<th>Section Of Admission</th>
<th>Gender</th>
<th>Current Class</th>
<th>Current Section</th>
<th>Address</th>
<th>Area Code</th>
<th>Status</th>
<th>Action</th>
</tr>
</thead>
<tbody>
{% for gr in gr %}
<tr>
<td>{{gr.gr_no}}</td>
<td>{{gr.first_name}}</td>
<td>{{gr.last_name}}</td>
<td>{{gr.date_birth}}</td>
<td>{{gr.classes_A}}</td>
<td>{{gr.sections_A}}</td>
<td>{{gr.gender}}</td>
<td>{{gr.classes_C}}</td>
<td>{{gr.sections_C}}</td>
<td>{{gr.address}}</td>
<td>{{gr.area_code}}</td>
<td>{{gr.status}}</td>
<td>
<a href="{% url 'editgr' grno.pk %}" class="btn btn-warning btn-sm" role="button"> Edit</a><br/>
<a href="#" class="btn btn-danger btn-sm" role="button"> Delete</a>
</td>
</tr>
{%endfor%}
</tbody>
</table>
</div>
<br/><br/>
</div>
请给我有关此问题的任何建议,或告诉我什么是正确的方法