When dealing with a class like the
Dataclass provided in the problem, it is necessary to choose a specific column during the linq operation. This task can be completed by dynamically created Lambda expressions passed to SELECT method. For this reason, the
CreatenewstatementMethod. It receives a string containing the required field name as input and dynamically constructs Lambda expressions that execute the necessary column. In this method: Create an expression parameter, indicating the input object passed to Lambda.
This method provides a common method that dynamically selects columns in the Linq operation. Even if the selected field is not known during compilation.
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