SQL & C#: How to Pass a Whole Table from .NET to SQL Server! (Table-Valued Parameters)

Learn the best way to send hundreds or thousands of rows of data from your C# application to a SQL Server database efficiently! This tutorial covers how to use Table-Valued Parameters (TVPs)—a powerful feature that lets you pass a whole "virtual table" to SQL in a single network call, drastically improving performance over traditional row-by-row inserts. In this video, we cover: How to define a User-Defined Table Type (CREATE TYPE) in SQL Server. Creating a stored procedure to accept the TVP (using the READONLY keyword). Building a System.Data.DataTable in C#. The crucial ADO.NET code to configure the SqlParameter.SqlDbType to Structured.