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Editorial Team
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Asked: 2026-06-10T11:56:24+00:00

I’m working on a C# application that imports an Excel file to be uploaded

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I’m working on a C# application that imports an Excel file to be uploaded by users of the application. My application uses Entity Framework and SQL Server 2008 database.

In my SQL Server database I have created a column to hold value in this format: 1,565,000.62. I defined the column as decimal hence a corresponding decimal property has been created for the same in my entity class.

However, when I’m adding my values into my entity class, I get an invalid cast exception.

What’s the best datatype to use for this type of value (C# and SQL Server)?

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1 Answer

  1. Editorial Team

    You should use a float or a double I beleive.

    Check out the 2nd answer at this question Difference between decimal, float and double in .NET?
    It talks about how decimals can’t be compared to double or floats without a cast.

    Also for the Sql deciaml check out this question and answer: What represents a double in sql server?
    It talks about decimal for when you know the exact and talks about decimal in c# being in contrast to C# decimal.

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