C# nullable generic

static void Main(string[] args)
{
    int? i = GetValueOrNull<int>(null, string.Empty);
}


public static Nullable<T> GetValueOrNull<T>(DbDataRecord reader, string columnName) where T : struct
{
    object columnValue = reader[columnName];

    if (!(columnValue is DBNull))
        return (T)columnValue;

    return null;
}

Source: stackoverflow.com

Similar codes

0 vote196 views2 answers
C# ValidationAttribute required when
C#
1 vote220 views1 answer
How to set the frame rate unity
C#
0 vote284 views2 answers
String.insert c#
C#
1 vote184 views1 answer
How do I print something in the console every frame unity
C#
6 votes282 views2 answers
How to disable and enable rigidbody unity
C#Unity
2 votes174 views1 answer
C# Thread Sleep vs Task Delay
C#
0 vote183 views1 answer
Create a file in the directory of the exe and write to it c#
C#
0 vote264 views1 answer
Mysql restore backup from multiple files
C#
0 vote186 views1 answer
User control equivalent event for form.shown c#
C#
0 vote192 views1 answer
Unity invisible cube
C#