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 vote251 views1 answer
C# load form
C#
0 vote216 views1 answer
Replace update claims c#
C#
0 vote224 views1 answer
Unity lerp position
C#Unity
0 vote223 views1 answer
Convert rgb to float
C#
0 vote220 views2 answers
Change object material unity
C#Unity
1 vote241 views1 answer
Unity editor dropdown
C#Unity
0 vote212 views1 answer
C# fileupload example
C#
0 vote229 views1 answer
C# start file
C#
2 votes251 views2 answers
C# format decimal as currency
C#
0 vote224 views1 answer
How to mirror an image in vs forms
C#