CSharp · Console
// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002783/idbconnection-isconnectionopen
// @nuget: Z.ExtensionMethods
using System;
using System.Data.SqlClient;
public class Program
{
public static void Main()
{
using (var conn = new SqlConnection(FiddleHelper.GetConnectionStringSqlServer()))
{
//C# Extension Method: IDbConnection - IsConnectionOpen
var result1 = conn.IsConnectionOpen(); // return false
conn.EnsureOpen();
//C# Extension Method: IDbConnection - IsConnectionOpen
var result2 = conn.IsConnectionOpen(); // return true
Console.WriteLine(result1);
Console.WriteLine(result2);
}
}
}