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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T06:25:38+00:00 2026-05-28T06:25:38+00:00

I am converting a legacy application which uses SQL Server and I want to

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I am converting a legacy application which uses SQL Server and I want to use petapoco for my data access layer.

The tables definitions contains a lot of columns with DEFAULT values.

I would like my DAL to handle the default value when I insert new records.

Unfortunatey, using the ResultColumn attribute is not a solution because the column is discarded when I use UPDATE and INSERT. A DEFAULT value does not act exactly as a readonly calculated field.

Is there a way to handle this ?

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  1. Editorial Team
    Editorial Team
    2026-05-28T06:25:38+00:00Added an answer on May 28, 2026 at 6:25 am

    There currently isn’t a way because if the value is set to null then it will insert/update the value to DBNull.

    There would have probably have to be a change to the code to have a new attribute eg. [OmitColumnIfDefaultValue] then if the value of that column equaled the default CLR value, then we could omit the column from the insert statement.

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