it does not have a public constructor accepting a single parameter of type DbContextOptions or has more than one constructor

Question

when I try to call to Web Api from my .net core MVC project I received this error, Please help me to resolve this issue :

The DbContext of type 'ApplicationDbContext' cannot be pooled because it does not have a public constructor accepting a single parameter of type DbContextOptions or has more than one constructor.

here's a high voted question which reported the same error message. pls take a look at them. If the solutions in this question didn't help you, pls provide more details to help us reproduce the issue at least. — Tiny Wang
– Tiny Wang, Commented Oct 25, 2022 at 1:54

Anton Menshov · Accepted Answer · 2023-01-01 20:20:16Z

2

Actually, I had two constructors in my DbContext class like below.

 public ApplicationDbContext()
        {

        }
 public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : base(options)
        {
            // ProxyCreationEnabled = false;
            // Configuration.LazyLoadingEnabled = false;
        }

when I remove the parameterless constructor, the issue was fixed.

edited Jan 1, 2023 at 20:20

Anton Menshov

2,32415 gold badges38 silver badges59 bronze badges

answered Jan 1, 2023 at 9:52

JagathNalin

15513 bronze badges

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