C# SqlParameter is a handy feature allows you to safely pass a parameter to a SqlCommand object in .NET. A security best practice when writing .NET data access code, is to always use parameters in SqlCommand objects (whenever parameters are required of course). The reason for this, is that parameters…
This is a basic example on how to establish a connection to SQL Server from a C# program with the use of the “using” statement in C# which help you better managing your database connections. Use the System.Data.SqlClient namespace in the top section of your code as below: using System.Data.SqlClient; …
If you get the above error message when developing a .NET application, then you have most probably set as a column name for one of your datagridview column the reserved word ‘name‘. Example of Exception in Visual Studio when Using the Reserved Word “Name” as a DataGridView Column Name. If…
If you are working with .NET applications, at some time you might get the below (or similar) error message: Exception message: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size…
There are many times when we develop C# applications, where we make use of several forms. To this end, there are times that we are using the Hide() method for some of these forms thus hiding the forms, but not closing or disposing them. Nevertheless, in the main form of…
Open the C# project properties. In the “Application” tab set the Startup object to “WindowsFormsApplication1.Program”. The “WindowsFormsApplication1” reflects the name of your current C# project so it could be different than the project name presented here. Then in the solution explorer, under the project tree, open the “Program.cs” file. The…