set int to null c#
// Nullable types add null as a valid value in addition to the type range
Nullable<int> i = null;
// Can also be written as:
int? i = null;set int to null c#
// Nullable types add null as a valid value in addition to the type range
Nullable<int> i = null;
// Can also be written as:
int? i = null;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;
}Copyright © 2021 Codeinu
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