Why is my SqlCommand returning a string when it should be an int?

Question

I have a query that should always be returning a single int. I have now logged it returning a string entirely unrelated to what it should be.

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Answer 1

The ExecuteScalar() function's return type is object, and you declare your result variable with the var keyword. That's not really a good combination, because you're putting a lot of pressure on the system to get the type inference right.