django update and edit

Open command prompt in windows

then in command prompt type d:

and press enter .

and use following commands

To create folder myap -execute the following command:

D:\> mkdir myap

To go myap folder path -execute the following command:

D:\>cd myap

To create a virtual environment for your project, open a new command prompt, navigate to the myap folder where you want to create your project and then execute the following command:-

D:\myap>python -m venv env

In the command prompt, ensure your virtual environment is active, and execute the following command:

D:\myap>env\Scripts\activate

execute the following command to install django.

D:myap>pip install django

run the following command - This will create a myproject directory in your current directory

D:\myap>django-admin startproject myproject

then go to myproject folder path type following command :-

D:\myap>cd myproejct

To create your app, make sure you’re in the your project directory & type this command:

D:\myap\myproejct>python manage.py startapp hello

That’ll create a directory hello app folder inside my_project folder:

after it open your myap folder inside it you will see my_project folder

and inside my_project folder you will see following structure:-

D:\mywork\myproejct>python manage.py runserver.

now step by step code given below apply it

step 1) write code for models.py file :-

from django.db import models

# Create your models here.

class ContactForm(models.Model):
        

    fullname= models.CharField(max_length=100)
    email= models.EmailField()
    contact= models.CharField(max_length=50)
    message= models.CharField(max_length=200)

& write code for forms.py file:-

from django import forms
from .models import ContactForm


class FormContactForm(forms.ModelForm):
    class Meta:
        model= ContactForm
        fields= ["fullname", "email", "contact", "message"]

write code for admin.py file:-

from django.contrib import admin
from .models import ContactForm

# Register your models here.

admin.site.register(ContactForm)

list_display = ['fullname', 'email','contact','message' ]

step 2:- create views.py file under your app folder :-

from urllib import request
from django.shortcuts import render,redirect
from  hello.models  import ContactForm
from  hello.forms import FormContactForm

def index(request):
    
    
 
 return render(request, "home.html")

def home(request):
 serviceData=ContactForm.objects.all()
 data={'serviceData':serviceData
        }


 return render(request,"home.html",data)

def  editemp(request,id):
 data=ContactForm.objects.get(id=id)
 return render(request, "edit.html",{'editupdaterecord':data})


def  updateemp(request,id):
 if request.method=='POST':
  pi=ContactForm.objects.get(id=id)
  form= FormContactForm(request.POST ,instance=pi)
 if form.is_valid():
        
        form.save()
 msg="record updated"
 return render(request, "update.html",{'editupdaterecord':msg})

Now create urls.py file under your app folder :-

from django.urls import path

from .import views

urlpatterns=[
path('',views.index,name='index'),
path('home/',views.home,name='home'),
path('editemp/<int:id>', views.editemp, name='editemp'),
path('updateemp/<str:id>', views.updateemp, name='updateemp'),

]

Write code for home .html file under templates folder:-

<html>
    <head>
        {% load static %}

        <link rel="stylesheet" href="{% static 'ok.css' %}">
        <link rel="stylesheet" 
 href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">

    </head>
    <body>
        
        
        <h1 class="myclass">hello world how are you
            {{data}}
        </h1>
        <div> <table class="table">

            {% for n in serviceData %}
           <tr>
            
         <td>  {{n.id}}</td> 
            
           <td> <span class="{{n.fullname}}"> {{n.fullname}}</span></td>
            
            <td><span class="{{n.email}}">{{n.email}} </span> </td>
            
            <td><p> {{n.contact}} </p> </td>
           
           <td> <a href="{% url 'editemp' n.id %}">Edit</a> </td>

</tr>
          {% endfor %}  
        </table>
          </div>
    </body>
</html>

And then write code for edit.html templates file :-

{{id}}

<form  action="{% url 'updateemp' editupdaterecord.id %}"  method="post">

    {% csrf_token %}
    
    name <input type=text name="fullname" value={{editupdaterecord.fullname}}>
    
     email <input type=text name="email" value={{editupdaterecord.email}}>
     Contact <input type=text  name="contact" value={{editupdaterecord.contact}}>
     message <input type=text name="message" value={{editupdaterecord.message}}>
    
     <input type=submit value=update>
    
     </form>

And code for update.html file :-

Note your project folder urls.py code will be like this :-

from django.contrib import admin

from django.urls import path, include

urlpatterns=[

path('hello/',include('hello.urls')),

path('admin/', admin.site.urls),

]

Django

django update and edit