/**************************************************************************************
* Function Name : PostCreate
* Description : Receive the attributes of the article , and insert the article into the dataset.
* Caution : Parameter : Article article -> the attributes of the article
* Return : The JSON result
**************************************************************************************/
public async Task <JsonResult> PostCreate([Bind("Title,Author,Date,Content,AttachFile")] Article article)
{
if (ModelState.IsValid)
{
try {
int id = 0;
int allcount = _context.Article.Count();
if (allcount != 0)
{
id = _context.Article.Max(a => a.Id);
}
article.Id = id + 1;
_context.Add(article);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException) {
return(Json(new { result = 0, msg = "unexcepted error" }));
}
return(Json(new { result = 1, msg = "" }));
}
var errorValue = ModelState.Where(a => a.Value.Errors.Count > 0).First();
return(Json(new { result = 0, msg = "Input: " + errorValue.Key + " is not valid" }));
}