public ActionResult Edit(int id)
{
Contact contact = null;
contact = ContactDbRepository.GetContact(id); // a private method which we have created previously
if (contact == null)
{
return(HttpNotFound("Contact Not Found"));
}
//fetching States and Countries for dropdownlist
var allCounteries = new List <Country>();
var allStates = new List <State>();
using (var dbContext = new ContactDbContext())
{
allCounteries = dbContext.Countries.OrderBy(c => c.CountryName).ToList();
allStates = dbContext.States.Where(s => s.CountryId.Equals(contact.CountryId)).OrderBy(s => s.StateName).ToList();
}
ViewBag.Countries = new SelectList(allCounteries, "CountryId", "CountryName", contact.CountryId);
ViewBag.States = new SelectList(allStates, "StateId", "StateName", contact.StateId);
return(View(contact));
}
public FileResult ExportData()
{
var contactList = ContactDbRepository.ListOfContactModel();
string dataToBeExport = ContactDbRepository.ExportData(contactList);
return(File(new System.Text.UTF8Encoding().GetBytes(dataToBeExport),
"application/vnd.ms-excel", "Contacts.xls"));
}
public ActionResult View(int id) //details
{
// before this we have used view model , now we need to extend the contact class to add countryName & stateName fields..
Contact selecedContact = null;
selecedContact = ContactDbRepository.GetContact(id);
return(View(selecedContact));
}
public ActionResult Add(Contact contact, HttpPostedFileBase file)
{
#region step#1 : Fetch Countries and States
var allCountries = new List <Country>();
var allStates = new List <State>();
using (var dbContext = new ContactDbContext())
{
allCountries = dbContext.Countries.OrderBy(c => c.CountryName).ToList();
if (contact.ContactId > 0)
{
// Fetching all the states whose countryId == contact.CountryId (i.e all the states of respective selected country)
allStates = dbContext.States.Where(s => s.CountryId.Equals(contact.CountryId)).OrderBy(s => s.StateName).ToList();
}
}
ViewData["Countries"] = new SelectList(allCountries, "CountryId", "CountryName", contact.CountryId);
ViewData["States"] = new SelectList(allStates, "StateId", "StateName", contact.StateId);
#endregion
#region step#2 : Validate the file if selected
if (file != null)
{
if (file.ContentLength > (512 * 1000)) // if file size > then 512KB
{
ModelState.AddModelError("FileErrorMessage", "File size must be within 512KB");
}
bool isFileTypeValid = false;
isFileTypeValid = ContactDbRepository.ValidateFileType(file);
if (isFileTypeValid == false)
{
ModelState.AddModelError("FileErrorMessage", "only .png , .gif, .jpeg , .jpg file types are allowed");
}
}
#endregion
#region step#3 : Validate Model and Save the data into the database
if (ModelState.IsValid)
{
if (file != null)
{
string targetPath = Server.MapPath("~/Content/Images");
ContactDbRepository.SaveImageFile(contact, file, targetPath);
}
ContactDbRepository.AddContact(contact); // adding and saving contact data into database
return(RedirectToAction("AllContacts", "Home"));
}
#endregion
return(View(contact));
}
public ActionResult Edit(Contact contact, HttpPostedFileBase file)
{
#region//fetching States and Countries for dropdownlist
var allCounteries = new List <Country>();
var allStates = new List <State>();
using (var dbContext = new ContactDbContext())
{
allCounteries = dbContext.Countries.OrderBy(c => c.CountryName).ToList();
if (allCounteries.Count > 0)
{
allStates = dbContext.States.Where(s => s.CountryId.Equals(contact.CountryId)).OrderBy(s => s.StateName).ToList();
}
}
ViewBag.Countries = new SelectList(allCounteries, "CountryId", "CountryName", contact.CountryId);
ViewBag.States = new SelectList(allStates, "StateId", "StateName", contact.StateId);
#endregion
#region// Validate File
if (file != null)
{
if (file.ContentLength > (512 * 1000)) //if file size > 512KB
{
ModelState.AddModelError("FileErrorMessage", "File size must be within a range of 512KB");
}
bool isFileTypeValid = false;
isFileTypeValid = ContactDbRepository.ValidateFileType(file);
if (isFileTypeValid == false)
{
ModelState.AddModelError("FileErrorMessage", "Only .png, .gif, .jpg , .jpeg Types are allow");
}
}
#endregion
#region //Validate Model and Save changes into the database
if (ModelState.IsValid)
{
if (file != null)
{
string targetPath = Server.MapPath("~/Content/Images");
ContactDbRepository.SaveImageFile(contact, file, targetPath);
}
ContactDbRepository.UpdateContact(contact, file);
return(RedirectToAction("AllContacts", "Home"));
}
else
{
return(View(contact));
}
#endregion
}
public ActionResult Delete(int id)
{
Contact contact = null;
contact = ContactDbRepository.GetContact(id);
if (contact != null)
{
return(View(contact));
}
else
{
return(HttpNotFound("Contact Not Found"));
}
}
public ActionResult Export()
{
var contactList = ContactDbRepository.ListOfContactModel();
return(View(contactList));
}
//Grid.Mvc
public ActionResult GridMvcDemo()
{
var contactList = ContactDbRepository.ListOfContactModel();
return(View(contactList));
}
