public async Task writeAsync(Contact data)
{
if (null != data)
{
var tempData = await readAsync();
tempData.Add(data);
FileStream fs = new FileStream(fileName, FileMode.Create);
using (StreamWriter sW = new StreamWriter(fs))
{
var serializeData = JsonConvert.SerializeObject(tempData);
sW.Write(serializeData);
}
}
}
public async Task<ActionResult> Add_contact(Contact contact)
{
await (new ContactJsonFile()).writeAsync(contact);
return RedirectToAction("Index");
}