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How to generate C# Class from SQL Server Table

C# Class from SQL Database Table There are multiple ways you can generate a C# class from your Database Table. We will be covering the following topics in today’s article. Generate Class with foreign key relation Generate Class with only entities Generate Class with foreign key relations For this we can simply use Entity Frameworks EDMX update feature which will generate our C# class from Database Tables. The output from EDMX will contain foreign key relations which we can see from the virtual interfaces like this -  public partial class AssetItem { [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")] public AssetItem() { this .AssetItemDepreciations = new HashSet<AssetItemDepreciation>(); this .AssetTaxMappings = new HashSet<AssetTaxMapping>(); this .AssetVatMappings = new HashSet<AssetVatMapping>(); ...
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Threadpool - A deadly poison wait for SQL Server (The What, When and How)

Introduction  Threadpool is a  poison  wait. Yes, I mean it. Its poison for SQL Server, its poison for the Business and of course, the end-users! The most devastating thing about threadpool is you hardly recognize it because it comes in disguise, meaning you see no memory or cpu pressure in the system, yet you cannot run any query, it seems like your SQL Server is frozen solid. That scary, isn't it?
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How to deal with Slow SQL Server due to Autogrowth issue

  Why you should not stick to SQL Server’s default Initial file size and autogrowth We hear a lot of these statements : My SQL Server is running slow My Production DB was fine when we started, But it is staggeringly slow now My Business end users are frustrated to wait too long Well, there are lots of reasons why your SQL Server might be slow. Setting the Autogrowth option to default is definitely one of the vital ones which we seem to ignore most of the time. Slow SQL Server and Tortoise SQL Server provides you with some default settings for autogrowth when you install it for the first time. These default cases are defined with increment by 8MB or by 10%. You need to change it to suit your own needs. For Small application, this default value might work but as soon as your system grows, you feel the impact of it more often. What Happens SQL Server Files needs more space SQL Server Requests the Server PC for more space The Server PC takes the request and asks the SQL request...
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How to encrypt an entire excel file using AES-128 encryption

What Is AES? AES stands for Advanced Encryption Standard. It is a symmetric block cipher that is used by the U.S. government to protect classified information. AES is used worldwide to protect classified data around the world. AES is essential in cybersecurity, electronic data protection, and computer security. Variations of AES AES is used in three block cipher versions namely AES 128, AES 192, AES 256. AES 128 uses 128-bit key length to encrypt and decrypt block messages. This is a symmetric secret key which means it uses same secret key for encrypting and decrypting message blocks. AES Encryption of Excel File Today we will AES 128 to encrypt an Excel File. The excel file looks like the following image. To encrypt this excel file, we will use C#. First, we need to create a console project. Let's name the project ExcelEncryption. First, we try to understand what we need to achieve. We need a KEY and Initialization Vector (IV) pair for AES 128 encryption. Let’s say, th...
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SQL Schema Compare with Visual Studio (A complete Guide)

Introduction When you're working on your Dev Database, an urgent issue comes along, and you instantly solve it by changing Scheme in the Staging Database or Production Database :3, few more these type of patching and you're completely out of sync! A lot of paid alternatives are there like SQL Data Compare by RedGate, but my first choice is Visual Studio's SQL Data Tools. In the following article, I tried to image-describe the steps for SQL Data Tool. Like I said before, there are lots of handly DBAtools out there to compare Schema between two DB Sources. I would like to discuss how you can compare two SQL Server DB with Visual Studio. Make sure you have SQL Server Data tools checked while installing Visual Studio.
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How to configure your Availability Group listener to ASP.NET

SQL Server’s availability group Always On feature is great to have features for your Database. Anytime one of your database nodes goes down, your secondary replica will automatically take over. After a failover, your secondary cluster node becomes the primary cluster. Now the question arises, “Do I need to configure my APP server connectionstring each time I face a failover cluster?”. The answer is NO, you don’t have to configure your app server connectionstring every time. Default ConnectionString By default, your App server connectionstring looks something like this – <connectionStrings>    <add name="ConnStringDb1" connectionString="Data Source=localhost;Initial Catalog=YourDataBaseName;Integrated Security=True;" providerName="System.Data.SqlClient" />   </connectionStrings> ConnectionString for Failover Partner You can manually specify the failover partner in your connectionstring like this <connectionStrings>     <a...
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