How to get distinct rows from a DataSet or DataTable
DataTable dtDistinct=ds.Tables[0].DefaultView.ToTable(true,"Floor_id");
𝗙𝗹𝘂𝗲𝗻𝘁𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲 - 𝗖𝗹𝗲𝗮𝗻, 𝗙𝗹𝗲𝘅𝗶𝗯𝗹𝗲 𝗠𝗼𝗱𝗲𝗹 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻 𝗳𝗼𝗿 𝗠𝗼𝗱𝗲𝗿𝗻 .𝗡𝗘𝗧 𝗔𝗽𝗽𝘀
FluentValidation is a popular .NET library that makes it easy to check if your objects have valid data. It’s like a set of rules you create to make sure your objects follow the correct format. The best part? It uses a clean and readable style that even beginners can understand. In this guide, we’ll walk you through how to use FluentValidation step-by-step, using a practical User Registration example. By the end, you’ll see how it simplifies input validation, keeps your code clean, and improves maintainability in your ASP.NET Core applications. 📘 What is FluentValidation? Think of FluentValidation as a rulebook for your objects. Imagine you're building a library system . You need to ensure: The library has a name Each book has a valid ID, title, and author The library has a valid address, phone number, and at least five books Instead of writing lots of messy if conditions, FluentValidation allows you to define all these rules in one ...
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