public static DbColumn ForeignKey(DbTable table, bool allowNull = false, string foreignKeyName = null)
{
if (table == null)
{
throw new ArgumentNullException("table");
}
foreach (var column in table.Columns)
{
if (column.IsPrimaryKey)
{
return(new DbColumn(DbColumnType.Integer, foreignKeyName ?? NameProvider.GetDbForeignKeyName(table.ClassName), allowNull)
{
DbForeignKey = new DbForeignKey(table.Name, column.Name)
});
}
}
throw new Exception(@"No Primary Key column.");
}
