User283528319 posted
Hi All,
<g class="gr_ gr_26 gr-alert gr_gramm gr_inline_cards gr_run_anim Punctuation only-ins replaceWithoutSep" id="26" data-gr-id="26">Obviously</g> I have <g class="gr_ gr_380 gr-alert gr_gramm gr_inline_cards gr_run_anim Grammar only-ins replaceWithoutSep"
id="380" data-gr-id="380">problem</g> with my DBcontext setup because when I try to get data from 2 different <g class="gr_ gr_89 gr-alert gr_gramm gr_inline_cards gr_run_anim Grammar multiReplace" id="89" data-gr-id="89">table</g> with 2 different <g class="gr_
gr_228 gr-alert gr_gramm gr_inline_cards gr_run_anim Grammar multiReplace" id="228" data-gr-id="228">context</g> via 2 in succession jquery $.get method I got the error
System.InvalidOperationException
HResult=0x80131509
Message=An attempt was made to use the context while it is being configured. A DbContext instance cannot be used inside OnConfiguring since it is still being configured at this point. This can happen if a second operation is started <g class="gr_ gr_130 gr-alert
gr_gramm gr_inline_cards gr_run_anim Grammar multiReplace" id="130" data-gr-id="130">on</g> this context before a previous operation completed. Any instance members are not guaranteed to be thread-safe.
Source=Microsoft.EntityFrameworkCore
Connection settings
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
if (!optionsBuilder.IsConfigured)
{
optionsBuilder.UseMySQL("server=localhost;port=3306;user=root;password=xxx;database=evraka");
}
}
startup
services.Add(new ServiceDescriptor(typeof(EvrakaContext), new EvrakaContext(Configuration.GetConnectionString("EvrakaContext"))));
usage
neither of these ways <g class="gr_ gr_573 gr-alert gr_gramm gr_inline_cards gr_run_anim Grammar multiReplace" id="573" data-gr-id="573">are</g> working
public List<string> TumIllerListesi()
{
EvrakaContext context = HttpContext.RequestServices.GetService(typeof(EvrakaContext)) as EvrakaContext;
return context.Set<Iller>().Select(u => u.Il).ToList();
}
private readonly EvrakaContext _context;
public NumuneKabulController(EvrakaContext context)
{
_context = context;
}
public IList<string> GonderenListesiYukle()
{
return _context.Set<Gonderenler>().Select(u => u.Gonderenmakam).ToList();
//Debugger.Break();
}
