Check the ID column in your db.Units table and 'Unit' class. It seems mismatching of data type of any field or order of fields in Unit table and class. One column data type is Int32 and other side Guid.

In database, it should be 'UniqueIdentifier'. Please check the SQL Server Data Type Mappings with C# https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/sql-server-data-type-mappings

Sir I am using Guid for the Id in the model class, how we create the Id in the database?

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Facing this error

Arbaz Qureshi

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