Developer for Life

Code all the things!


by Jeremy Likness

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Most Recent Posts

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Run EF Core Queries on SQL Server From Blazor WebAssembly

A diary of building Expression Power Tools, a library that helps work with expressions and queries. Includes the ability to deserialize and reserialize a query so you can write a LINQ query in a Blazor WebAssembly client and execute it remotely on an ASP.NET Core server using Entity Framework Core.

EF Core ] [ Blazor ] [ Expressions ] [ LINQ ]
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Inspect and Mutate IQueryable Expression Trees

Learn how to build a custom query provider that intercepts the execution of IQueryable queries to snapshot and/or transform the expression. See examples of how to enforce an item limit and evaluate which parts of the filter succeeded or failed to provider the final enumerated result.

LINQ ] [ EF Core ] [ Data ] [ .NET Core ]
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Look Behind the IQueryable Curtain

Learn how to parse the expressions behind queries using the built-in ExpressionVisitor class. After successfully parsing an expression tree, discover how to modify the tree and apply your own rules by implementing your own queryable host.

LINQ ] [ EF Core ] [ Data ] [ .NET Core ]