DapperLib / DapperLib/Dapper

how to pass DBNull.value to Stored Procedure

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C#
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Description

i'm using QueryFirstOrDefaultAsync in SqlMapper class
the problem is when I try to pass null values to param in QueryFirstOrDefaultAsync method I want to pass it as DBNull.value not null
I even tried to pass DBNull.value in some properties in the object I passed to param but still doesn't work

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at QueryFirstOrDefaultAsync in the SqlMapper class and trace how object parameters are converted before the stored procedure call. Reproduce the null-versus-DBNull.Value case described in the issue; done means the expected parameter behavior is established and the issue is resolved with an appropriate code or documentation change.

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Assessment

Tech stack
csharp, sql
Domain
database
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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