Connection current state still open

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C#

ASP.NET

Hello all,

I have a method that i use to run SQL queries.

The problem is that even though i close the connection to the database all the time i keep getting an error that the current state of the connection is still open. That causes my whole application to break

I don't know why this is happening as this code worked 100% in another web application with out getting this error.

Any insight will be very helpful

Here is a code sample

private static String connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["SQLConnection"].ConnectionString;
    
private static SqlConnection SQLConnection = new SqlConnection(connectionString);

public static void runSQL(String SQL)
    {
        SQLCommand = new SqlCommand(SQL, SQLConnection);

        SQLConnection.Open();
        SQLCommand.ExecuteNonQuery();
        SQLConnection.Close();
    }