How Can I Conditionally Apply LINQ Filters for Efficient Log Viewer Queries?

Conditional Application of Linq Operators:

In the realm of Log Viewer development, it becomes imperative to provide users with granular filtering capabilities. However, transitioning from traditional SQL queries to LINQ poses the challenge of conditionally applying where-clauses.

To address this, embrace the following LINQ approach:

var logs = from log in context.Logs
           select log;

This base query retrieves all logs from the database. Subsequently, you can append conditional filters as needed:

if (filterBySeverity)
    logs = logs.Where(p => p.Severity == severity);

if (filterByUser)
    logs = logs.Where(p => p.User == user);

By leveraging this technique, you ensure that the expression tree aligns precisely with your filtering criteria. This approach optimizes the generated SQL statement, delivering efficient and targeted results.

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